| Eric Baalman | P | 2010-2010 | New Mexico, New Mexico JC |
| Keegan Baar | P | 2015-2018 | Michigan State |
| Tyler Baar | C | 2013-2015 | Toledo |
| Brandon Baarstad | OF | 2003-2003 | Morehead State, Mendocino College |
| Josh Baas | P | 2004-2008 | UNC-Greensboro, Sierra College, Biola |
| Buckari Baaset | P | 2008-2008 | Florida A&M |
| Danny Baatz | OF | 2008-2011 | UNC Asheville |
| Tyler Baatz | P | 2005-2009 | Indiana U.-Purdue U.-FW |
| Thomas Babalis | P | 2019-2019 | Binghamton |
| Michael Babb | OF | 2013-2016 | Jacksonville |
| Mitchel Babb | P | 2013-2015 | Mississippi, Meridian CC |
| David Babcock | C | 2006-2006 | --- |
| Elliott Babcock | OF | 2005-2008 | Texas State |
| Nathan Babcock | C | 2003-2003 | Delaware State |
| Brock Baber | P | 2005-2008 | Kentucky |
| John Baber | C-OF | 2002-2005 | Va Military Inst. |
| James Babiasz | P | 2007-2007 | Western Michigan, Kalamazoo Valley CC |
| Brandon Babin | P | 2019-2019 | Nicholls State |
| Bryan Babin | P | 2011-2012 | Murray State |
| Mike Babin | P | 2006-2008 | Cleveland State, Ohio |
| Ty Babin | C | 2018-2019 | Campbell |
| Bart Babineaux | OF | 2005-2006 | El Camino College, Illinois-Chicago |
| Gabriel Babineaux | P | 2011-2013 | Jackson State |
| Ross Babineaux | OF | 2008-2009 | Delaware State, El Camino College |
| Matthias Bable | P | 2010-2010 | Northern Colorado, Hill College |
| Alex Baboulas | P | 2007-2007 | --- |
| Joey Babuca | C-IF | 2010-2013 | Delaware State |
| Joey Babyak | P | 2002-2004 | Liberty, Campbell |
| Justin Baca | P | 2008-2011 | UNLV |
| Matt Baca | 1B | 2012-2013 | Northwestern State, Blinn College |
| Tyler Baca | OF | 2019-2019 | Biola |
| Ryan Bacak | IF | 2010-2011 | Houston Baptist, Wharton County Junior College |
| Connor Bacalles | IF-C | 2012-2012 | Manhattan College, St. Thomas Aquinas |
| Brian Bach | P | 2002-2005 | Wake Forest |
| David Bach | P | 2004-2005 | Harvard |
| Eddie Bach | P | 2006-2010 | UMD-Baltimore Cty |
| Jarett Bach | P | 2020-2020 | Pittsburgh |
| Chris Bachkora | IF | 2004-2006 | Saint Louis |
| Kyle Bachle | P | 2018-2019 | Rollins |
| Brad Bachman | P | 2002-2005 | Miami |
| Dan Bachman | P | 2001-2006 | Eastern Kentucky |
| Marc Bachman | P | 2015-2018 | Dartmouth |
| Sam Bachman | P | 2019-2019 | Miami |
| Scott Bachman | P | 2007-2008 | Kansas State, Mesa State College |
| Dawsen Bacho | C | 2017-2019 | Sacramento State |
| Michael Bacica | P | 2019-2019 | Stetson |
| Chris Bacigalupi | 1B | 2006-2007 | San Francisco, College of Marin |
| Nick Backes | P | 2008-2008 | SE Louisiana |
| Kyle Backhus | P | 2017-2019 | Sam Houston State |
| Trevor Backman | P | 2018-2019 | Marist |
| Kyle Backofen | P | 2017-2018 | Louisiana-Monroe |
| Tyler Backstrom | P-IF | 2010-2012 | Ohio |
| John Baco | P | 2001-2004 | Fordham |
| Alex Bacon | OF | 2011-2015 | North Florida |
| Andrew Bacon | IF | 2018-2019 | Northern Kentucky |
| Carl Bacon | C-DH | 2003-2007 | Santa Clara |
| Connor Bacon | OF-1B | 2016-2019 | Boston College |
| David Bacon | P | 2005-2005 | Oklahoma State, Yavapai College, Baylor |
| Jimmy Bacon | IF | 2003-2006 | Florida Intl, Lynn |
| Maverick Bacon | IF | 2016-2019 | Ball State, Marian College |
| Orlando Bacon | P-OF | 2007-2007 | Bethune-Cookman |
| Richard Bacon | IF | 2013-2014 | SUNY - Albany |
| Scott Bacon | 3B | 1999-2002 | Towson |
| Wes Bacon | 3B | 1999-2002 | Tennessee-Martin |
| Hunter Bacot | P | 2009-2009 | UNC Asheville |
| Edgar Badaraco | C | 2016-2019 | New Jersey Tech |
| David Bader | P | 2002-2003 | Missouri State, St. Louis CC-Meramec |
| Ryan Bader | P | 2018-2020 | Northwestern |
| Landon Badger | OF | 2017-2019 | South Dakota State |
| John Badgett | P | 2018-2019 | SE Louisiana, Cloud County CC, Metro State |
| Nick Badgley | OF-P | 2008-2009 | Northern Illinois, McHenry County College |
| Zach Badgley | P | 2009-2013 | Northern Illinois |
| Tim Bado | P | 2012-2013 | Western Kentucky, Crowder |
| Raul Baduel | P | 2017-2018 | Grambling State |
| John Badylak | IF | 1999-2002 | Purdue |
| Ryan Baechel | P-1B | 2006-2007 | Cleveland State |
| Jon Baeder | C | 2000-2003 | Washington State |
| Jared Baehl | 3B | 2007-2011 | Evansville |
| Chris Baek | P | 2008-2012 | Sacramento State, Biola |
| Danny Baer | OF | 2014-2017 | Princeton |
| Evan Baer | IF | 2017-2019 | Old Dominion, Christopher Newport |
| Matt Baerlocher | P | 2007-2008 | South Dakota State, Walla Walla CC |
| Nathan Baez | IF | 2020-2020 | Arizona State |
| Sergio Baez | OF | 2004-2004 | Campbell |
| Will Baez | IF | 2009-2010 | Wichita State, Western Oklahoma State College |
| Alex Baeza | IF | 2018-2019 | Hawaii |
| Curtis Bafus | P | 2015-2019 | Washington State, Everett CC, Va. Commonwealth |
| Ben Baggett | P | 2019-2019 | Stanford |
| Daniel Baggett | OF | 2007-2010 | Austin Peay |
| Stephen Baggett | P | 2014-2016 | Alabama-Birmingham, Shelton State CC |
| Tommy Baggett | IF | 2016-2019 | Shippensburg Pennsylvania |
| Brett Bagley | P | 2001-2004 | Oklahoma, Seminole State College |
| Kyle Bagnell | P | 2012-2015 | Oklahoma State |
| Jason Bagoly | C-1B | 2010-2013 | Kent State |
| Blake Bagshaw | P | 2010-2013 | Northern Kentucky |
| Shaquille Bagwell | IF | 2009-2012 | Maryland-Eastern Shore |
| Christian Bahlinger | P | 2016-2018 | Nicholls State, Spring Hill College |
| Adam Bahloul | P | 2017-2019 | Central Arkansas, Ouachita Baptist |
| Zack Bahm | P | 2015-2018 | Columbia |
| Matt Bahnick | IF | 2013-2015 | Kennesaw State, Tallahassee CC, Brewton-Parker College |
| Mike Bahnick | P | 1971-1972 | Rider |
| Jared Bahnsen | P | 2002-2002 | New Orleans, Indian River CC, Seminole Florida |
| Gabe Baida | IF-C | 2003-2006 | Canisius College |
| Joe Baier | IF | 2016-2019 | Chicago State |
| Michael Baier | SS | 1972-1972 | Maryland |
| Charlie Bailes | SS | 2007-2007 | Furman, Florida |
| Brandon Bailey | P | 2005-2005 | Utah, Lamar CC |
| Caden Bailey | 2B-SS | 2012-2015 | Georgia State |
| Carlton Bailey | IF | 2011-2014 | Harvard |
| Charles Bailey | P | 2017-2019 | Southern |
| Chase Bailey | 1B | 2008-2008 | Norfolk State, Newberry |
| Chase Bailey | P | 2016-2018 | William and Mary, UMD-Baltimore Cty |
| Christian Bailey | IF | 2015-2018 | East Tennessee State |
| Dawson Bailey | OF | 2018-2019 | Niagara |
| Derek Bailey | OF | 2004-2005 | Kansas |
| Evan Bailey | P | 2007-2007 | El Paso CC, Utah |
| Garrett Bailey | P | 2018-2018 | Cornell |
| George Bailey | 3B | 2001-2001 | Indian River CC, Bethune-Cookman |
| Grayson Bailey | P | 2013-2016 | East Carolina, Louisburg College, Lee University, Old Dominion |
| Hayden Bailey | P | 2014-2018 | Tennessee-Martin, Motlow State CC, Midland Lutheran College |
| Ian Bailey | OF | 2017-2019 | Grambling State |
| Jarrett Bailey | P | 2009-2012 | South Alabama |
| Jordan Bailey | OF | 2019-2019 | Bradley |
| Josh Bailey | 2B-3B | 2002-2005 | Dartmouth |
| Josh Bailey | P | 2009-2009 | SE Louisiana, LSU-Eunice, Louisiana-Lafayette |
| Julian Bailey | P | 2007-2008 | Florida A&M |
| Kyle Bailey | P | 2012-2012 | Clemson |
| Logan Bailey | IF-P | 2016-2019 | Louisiana Tech, Panola College |
| Patrick Bailey | P | 2011-2012 | Memphis |
| Patrick Bailey | C | 2018-2020 | NC State |
| Robbie Bailey | OF | 2006-2010 | Longwood |
| Ryan Bailey | C-IF | 2014-2017 | Monmouth |
| Shawn Bailey | H | 2012-2012 | Florida A&M |
| Stephen Bailey | P | 2003-2003 | Morehead State |
| Taylor Bailey | IF | 2014-2014 | Texas State |
| Tony Bailey | P | 1983-1983 | Grambling State |
| Travis Bailey | P | 2008-2009 | McNeese State |
| Wade Bailey | 2B | 2015-2018 | Georgia Tech |
| Zach Bailey | IF | 2011-2011 | Middle Tenn State |
| Zach Bailey | IF | 2018-2019 | Chicago State |
| Tom Baileys | 1B | 2008-2009 | Binghamton, Broome CC |
| Ben Bailiff | C | 2015-2015 | UNC Asheville |
| Davis Baillie | P | 2016-2019 | Washington State |
| Andrew Bain | IF | 2010-2013 | Valparaiso |
| Austin Bain | P-IF | 2015-2018 | LSU |
| Jeff Bain | OF | 2002-2003 | Jacksonville State, Shelton State CC |
| Rob Bain | P | 2012-2015 | Davidson College |
| Adam Bainbridge | P | 2014-2017 | Old Dominion |
| Lee Bainbridge | 3B | 2007-2007 | Youngstown State, Indiana Pennsylvania |
| Clayton Baine | IF | 2017-2019 | Radford |
| Connor Baine | OF | 2019-2019 | George Mason |
| Frank Bainer | C | 2007-2009 | Sacred Heart |
| Luke Bainer | OF | 2009-2012 | Morehead State |
| Lionel Baines | OF | 2011-2011 | Coppin State College |
| Joe Baione | P | 2006-2006 | Rutgers |
| Carter Bair | P | 2016-2019 | Middle Tenn State, Cleveland State CC, Volunteer State CC |
| David Bair | P | 2002-2003 | Fresno State, Merced College |
| Donnie Bair | P | 2002-2003 | Fresno State, Louisiana-Lafayette, Merced College |
| Butch Baird | P | 2015-2018 | Louisville, Ohio |
| Dustin Baird | P | 2018-2019 | Brown |
| Jack Baird | P | 2019-2019 | Pepperdine |
| Marty Baird | IF-P | 2006-2009 | Bowling Green State |
| Nate Baird | OF | 2010-2013 | Princeton |
| Roman Baisa | OF | 2016-2017 | Ball State |
| Tyler Baisley | OF | 2009-2010 | Gateway CC, Northwestern State |
| Jeremy Bajdaun | IF | 2012-2014 | Florida Intl, West Florida |
| Brian Bajer | C | 2008-2012 | Butler, Southern Illinois |
| Daniel Bajger | P | 2004-2007 | Columbia |
| Jake Bakamus | IF | 2013-2017 | Arkansas State, Lower Columbia CC |
| Brett Bakanec | C | 2003-2003 | Southern Illinois, Rowan |
| Adam Baker | 1B-OF | 2007-2008 | Western Carolina |
| Alex Baker | P | 2010-2013 | Air Force |
| Alex Baker | P | 2011-2012 | Georgetown |
| Andrew Baker | P | 2017-2018 | Florida |
| Austin Baker | OF | 2013-2019 | Arkansas State, Southern Arkansas |
| Bo Baker | 2B | 2004-2005 | Austin Peay |
| Brad Baker | 3B-2B | 2002-2005 | Northern Colorado |
| Brennan Baker | P-IF | 2007-2008 | Davidson College |
| Brett Baker | C | 2019-2019 | North Alabama |
| Brock Baker | P | 2012-2014 | Grambling State, Bossier Parish CC |
| Bryan Baker | IF | 2002-2002 | San Jose State, Cerritos College |
| Bryce Baker | P | 2015-2015 | Jacksonville |
| Cael Baker | C | 2018-2020 | Cincinnati, Wabash Valley College, Mississippi |
| Cal Baker | IF | 2014-2017 | Georgia Southern |
| Casey Baker | UT | 2014-2017 | Stony Brook |
| Chad Baker | P | 2005-2006 | Pittsburgh |
| Chris Baker | OF-IF | 2004-2007 | Appalachian State |
| Chris Baker | 1B-OF | 2008-2012 | Old Dominion |
| Chris Baker | IF | 2005-2006 | Radford, Norfolk State |
| Chris Baker | OF | 2016-2016 | Illinois-Chicago |
| Clay Baker | 2B | 2007-2007 | Northwestern State |
| Cory Baker | P | 2006-2006 | Southern Illinois, John A. Logan College |
| Cory Baker | P | 2011-2011 | North Dakota, Lincoln Trail College |
| D Baker | P | 2004-2004 | Miss. Valley St |
| Dalton Baker | P | 2019-2019 | Navy |
| Darin Baker | OF | 1999-2000 | Hawaii |
| Darren Baker | SS | 2018-2020 | California |
| David Baker | C | 1966-2005 | Kansas State, Chandler-Gilbert CC |
| David Baker | C | 1973-1975 | Stanford |
| Derrick Baker | OF | 2007-2008 | Maryland-Eastern Shore |
| Dru Baker | IF | 2019-2020 | Texas Tech |
| Dusty Baker | P | 2006-2007 | Southern Illinois, Olney Central College |
| Dusty Baker | OF | 2017-2019 | East Carolina |
| Erick Baker | P | 2009-2013 | Old Dominion |
| Grant Baker | P | 2017-2017 | New Orleans |
| Henry Baker | P | 2014-2016 | Washington |
| Hunter Baker | P | 2015-2018 | Furman, Spartanburg Methodist College |
| Jack Baker | COACH | 2000-2001 | Saint Peter's, William Paterson New Jersey |
| Jacob Baker | P | 2013-2014 | Elon, Pitt CC |
| Jake Baker | P | 2003-2003 | Georgia |
| Jake Baker | P | 2017-2019 | Fordham |
| Jalyn Baker | UT | 2017-2018 | Prairie View A&M, Holmes CC |
| Jamie Baker | H | 2002-2002 | Indiana State |
| Jeff Baker | OF | 2002-2003 | Coastal Carolina, Maple Woods CC |
| Jeff Baker | OF | 2002-2004 | Lehigh |
| Jesse Baker | OF | 2013-2017 | Texas-San Antonio |
| Jimmy Baker | IF | 2006-2007 | Centenary College, Kellogg CC |
| Joe Baker | IF | 2015-2018 | Texas |
| John Baker | P | 2017-2018 | Ball State |
| Josh Baker | OF | 2003-2003 | Illinois |
| Josh Baker | OF-P | 2013-2015 | Jacksonville |
| Justin Baker | P | 2002-2002 | Towson |
| Kasey Baker | SS-2B | 2001-2004 | Texas-Arlington, Texas, San Jacinto |
| Keaton Baker | P | 2011-2015 | Middle Tenn State |
| Kellen Baker | OF | 2002-2003 | Lafayette College |
| Kevin Baker | P | 2016-2019 | Portland |
| Kyle Baker | OF | 2016-2019 | Delaware |
| Luke Baker | IF | 2009-2010 | Stephen F. Austin, Northeast Texas CC |
| Martin Baker | OF | 2006-2009 | Kennesaw State |
| Paul Baker | P | 2003-2003 | Cornell |
| Peyton Baker | P | 2018-2019 | Alabama A&M, Chattanooga State Technical CC |
| Reese Baker | P | 2005-2006 | Washington State, Lower Columbia CC |
| Robby Baker | P | 1999-1999 | Blinn College, Texas |
| Rocky Baker | IF | 2001-2003 | Georgia Southern, Mercer |
| Ryan Baker | P | 2009-2009 | Purdue |
| Ryan Baker | P | 2013-2014 | Nevada, Southern Nevada |
| Scott Baker | P | 2012-2015 | Ball State |
| Shannon Baker | 3B-C | 2015-2018 | Indiana U.-Purdue U.-FW |
| Tanner Baker | OF | 2017-2019 | Grand Canyon, South Mountain CC, New Mexico |
| Tate Baker | OF | 2012-2013 | Sam Houston State, Midland College, West Texas A&M |
| TJ Baker | C | 2003-2003 | Rhode Island |
| TJ Baker | P | 2017-2018 | Ball State |
| TJ Baker | P | 2016-2017 | St. Bonaventure, Salt Lake CC |
| Tom Baker | P | 2009-2009 | Bryant University |
| Tristan Baker | P | 2016-2018 | Western Carolina |
| Tyler Baker | IF | 2018-2019 | Winthrop |
| Wayne Baker | C | 2001-2002 | Oklahoma |
| Zac Baker | P | 2007-2008 | Sam Houston State, Paris Junior College |
| Zach Baker | IF | 2014-2017 | Ark-Little Rock, Butler CC |
| Nick Bakeris | P | 2011-2014 | Western Illinois, Kirkwood CC |
| Jabby Bakhit | IF | 2007-2010 | North Dakota |
| John Bakke | P | 2019-2019 | Morehead State |
| Lucas Bakker | P | 2014-2015 | Elon, North Iowa Area CC |
| Peter Bako | C | 2011-2011 | Connors State College, NC State |
| J.T. Baksha | P | 2015-2018 | Western Illinois |
| Luke Bakula | 1B | 2015-2018 | Kansas, Southwestern Illinois College |
| Dave Bakunas | P | 2002-2002 | Seton Hall, Brookdale CC |
| David Balandran | OF | 2003-2003 | Long Beach State, Cerritos College, Golden West College |
| Chris Balatico | OF | 2006-2007 | San Jose State, Hartnell College |
| Jared Balbach | P | 2007-2010 | Sacred Heart |
| Willy Balbach | P | 2008-2011 | Dayton |
| Jay Balback | 3B | 2003-2004 | Binghamton, Indiana Tech |
| Derek Balbierz | P | 2016-2017 | SUNY - Albany |
| Ryan Balbierz | P | 2010-2010 | Duquesne |
| Scott Balcer | P | 2009-2010 | Chicago State, Harper College |
| Adam Balcom | P | 2006-2008 | Western Kentucky, Green River CC |
| Kyle Baldani | C | 2010-2013 | Siena College |
| Nick Baldasari | IF | 2002-2005 | Saint Joseph's |
| Dante Baldelli | OF | 2017-2020 | Boston College |
| Max Balderrama | IF-C | 2018-2019 | Texas-Pan American |
| Brock Balderson | P | 2016-2018 | Butler |
| Jared Baldinelli | 2B | 2014-2017 | St. Bonaventure |
| Steve Baldinelli | OF-P | 2007-2008 | Niagara, Mercyhurst North East |
| Bryan Baldini | P | 2007-2011 | Murray State, Northern Kentucky |
| Dan Baldini | OF | 2006-2006 | UC Davis |
| Chris Baldino | H | 2007-2007 | Fairleigh Dickinson |
| Domenic Baldino | SS-2B | 2016-2016 | Stetson |
| Alex Baldock | 2B | 2010-2013 | University at Buffalo |
| Nico Baldor | OF | 2017-2019 | Miami, Florida State |
| Antonio Balducci | P | 2018-2019 | Richmond |
| Alan Baldwin | C | 2013-2016 | Hawaii |
| Brad Baldwin | IF | 2015-2018 | Wayne State University |
| Braeden Baldwin | P | 2002-2003 | Elon |
| Brett Baldwin | IF | 2002-2007 | Utah, Georgia Southern |
| Brooks Baldwin | IF-P | 2019-2019 | UNC Wilmington |
| Dick Baldwin | OF | 1965-1967 | Bradley |
| Hunter Baldwin | IF | 2019-2019 | Harvard |
| Matt Baldwin | IF | 1998-2002 | SE Missouri State, Louisville |
| Nathan Baldwin | C | 2000-2000 | North Carolina |
| Robert Baldwin | C | 2012-2015 | Yale |
| Ryan Baldwin | OF | 2015-2018 | Barry |
| Seth Baldwin | OF | 2009-2011 | North Carolina |
| Connor Baldy | OF | 2015-2017 | Appalachian State, Louisburg College, Pfeiffer |
| Jon Balentina | P | 2008-2012 | Maine |
| Davis Balentine | IF | 2019-2019 | Gardner-Webb |
| Tyler Balentine | P | 2000-2003 | University at Buffalo |
| Danny Bales | P | 2007-2007 | Iowa |
| Jared Bales | C | 2011-2013 | Southern Miss |
| Scott Balfantz | C | 2015-2018 | Texas A&M-Corpus Christi |
| Joseph Balfour | P | 2015-2017 | San Jose State, Mt. Hood CC, St. Martin's University |
| Jake Balicki | P | 2012-2014 | Michigan |
| Jeremy Balisciano | IF | 2003-2003 | Connecticut |
| Tony Balisteri | SS | 2008-2011 | Virginia Tech |
| Brooks Balisterri | IF | 2013-2017 | Central Arkansas, Meridian CC |
| Jeremy Balke | IF | 2004-2005 | Texas A&M-Corpus Christi, Penn State |
| Troy Balko | P | 2019-2019 | UNLV |
| Brendan Ball | P | 2015-2018 | Lafayette College |
| Bryan Ball | P-1B | 2000-2002 | Southern Utah, Dixie State College |
| Cameron Ball | P | 2003-2006 | Quinnipiac |
| Gary Ball | IF-P | 2003-2005 | Cleveland State |
| Jacob Ball | P | 2004-2005 | Fresno State, Los Angeles Pierce College |
| Jake Ball | SS-3B | 2004-2007 | Jacksonville State |
| Jason Ball | P | 1997-2000 | California |
| Kenny Ball | P | 2013-2013 | Stony Brook |
| Kyle Ball | IF | 2018-2019 | Stetson |
| Matt Ball | P | 2015-2018 | Army |
| Shaun Ball | IF-OF | 2012-2013 | Eastern Kentucky, Walters State CC |
| Stephen Ball | P | 2003-2005 | Portland |
| Steve Ball | OF | 2010-2010 | Indiana State, John A. Logan College |
| Steven Ball | P | 2011-2014 | Lehigh, George Mason |
| Ben Ballantine | P-OF | 2010-2014 | Michigan |
| CJ Ballard | OF | 2016-2019 | Georgia Southern, Ga Gwinnett |
| Frank Ballard | IF-OF | 2003-2005 | Western Michigan |
| Jordan Ballard | 1B | 2005-2005 | Hawaii, Santa Barbara City College, UC Riverside |
| Judson Ballard | P | 2003-2003 | UNC Asheville |
| Stephen Ballard | SS | 2008-2011 | Samford |
| Tim Ballard | P | 2006-2009 | Monmouth |
| John Ballarin | P | 2007-2009 | Eastern Michigan |
| Steve Ballas | 1B | 2003-2005 | Siena College, Coastal Carolina |
| Tom Ballenger | P | 2003-2004 | UMD-Baltimore Cty |
| Michael Ballero | IF | 2008-2011 | New Orleans |
| Adrian Ballesteros | IF | 2004-2004 | Lubbock Christian University, New Mexico State, Howard College |
| Jamie Ballesteros | 3B | 2007-2007 | Northern Iowa, East Los Angeles College, Lewis-Clark State College |
| Adam Ballew | OF | 2013-2015 | South Alabama, Southern Union State CC |
| Joseph Ballew | SS | 2006-2007 | Samford |
| Patrick Ballew | P | 2007-2007 | Savannah State |
| Johnny Balliet | OF | 2017-2019 | Cal Poly, Orange Coast College, Point Loma Nazarene |
| Aaron Ballmer | P | 2013-2015 | St. Bonaventure |
| Steve Ballowe | OF | 1999-2002 | James Madison |
| Will Ballowe | P | 2013-2016 | Washington |
| Justin Ballweber | P | 2001-2003 | Portland |
| Jaron Balman | OF | 2016-2017 | New Mexico State |
| Chris Balogh | 1B | 2014-2017 | Boston College, Ranger College |
| Johnny Balsamo | OF | 2016-2018 | Missouri, Dodge City CC, Missouri Southern State University |
| Alejandro Balsinde | P | 2006-2009 | Maine |
| Eric Balson | OF | 2003-2006 | Hofstra |
| AJ Balta | UT | 2014-2018 | Oregon, Texas Christian |
| Max Balter | IF | 2014-2015 | Tennessee-Martin, Broward College |
| Mike Baltera | P | 2009-2012 | SUNY - Albany |
| Julio Baltodano | P | 2011-2012 | Prairie View A&M, West Los Angeles College |
| Brian Baltz | P | 2003-2003 | Iona College |
| Michael Baluja | P | 2001-2002 | Florida Intl, Miami-Dade College |
| David Balunek | IF | 2016-2016 | Central Ct State |
| Sam Balzano | OF | 2012-2015 | Maine |
| Brad Bamberg | C | 2001-2002 | Alabama-Birmingham, Central Alabama CC |
| Dustin Bamberg | C | 2007-2008 | Florida, Tallahassee CC |
| Will Bamesberger | P | 2013-2016 | Creighton |
| Joe Bamford | OF | 2013-2014 | Monmouth, Northampton CC |
| Jonathon Ban | P | 2006-2009 | Gardner-Webb |
| Dylan Banach | OF | 2012-2013 | Northern Colorado, Fort Scott CC |
| Garrison Banas | P | 2013-2016 | Stetson, Bryant University |
| Tony Banaszak | P | 2001-2003 | Washington State, Edmonds CC |
| Benjamin Bancroft | P | 2014-2015 | Kennesaw State, College of Charleston |
| Nik Bandak | P | 2006-2008 | St. Mary's (CA) |
| Tony Bandanza | C | 2005-2008 | Cornell |
| Jackson Bandow | P | 2018-2019 | Yale |
| Richard Bandrich | P | 2011-2012 | Texas-Pan American, Saint Thomas |
| Bryan Bandy | OF | 2002-2003 | Towson |
| Seth Bandy | P | 2000-2004 | Virginia Tech |
| Dan Bane | OF | 2000-2002 | Missouri |
| John Banes | IF | 2015-2019 | SUNY - Albany, Cumberland County College, Lock Haven Pennsylvania |
| Graham Bangert | OF-IF | 2002-2004 | Pennsylvania |
| Chris Bangi | IF | 2009-2010 | Campbell |
| Beau Banglesdorf | OF | 2008-2012 | Towson, James Madison, Eastern Mennonite |
| Kyle Banick | P | 2001-2004 | Wichita State |
| Leighton Banjoff | OF | 2020-2020 | Nebraska |
| Jon Banke | P | 2005-2005 | Liberty, Florida Intl |
| Patrick Bankemper | P | 2012-2013 | Liberty, Potomac State College of WVU |
| Chris Banker | C | 2008-2009 | Georgia Southern, Chattahoochee Val |
| Alec Bankhead | IF | 2015-2015 | Elon |
| Byron Banks | P | 2004-2004 | Indiana |
| Byron Banks | P | 2006-2008 | Grambling State |
| Chris Banks | P-IF | 2005-2005 | Chicago State |
| Dave Banks | C | 2007-2007 | Wofford |
| Franklin Banks | OF | 2017-2017 | Alabama A&M |
| Jacob Banks | P | 2014-2018 | Miami |
| Jamaun Banks | P | 2015-2015 | Southern |
| James Banks | P | 2013-2013 | Southern |
| Jason Banks | P | 2007-2008 | Northern Colorado, Hutchinson CC |
| Jim Banks | IF-OF | 2009-2009 | SUNY - Albany, Erie CC |
| Jonathan Banks | 1B | 2014-2017 | Kennesaw State, Georgia Perimeter College, South Carolina-Aiken |
| Justin Banks | 2B | 2003-2006 | Youngstown State |
| Kirkland Banks | IF | 2019-2019 | Lamar |
| Nick Bankus | P | 2008-2009 | Portland |
| Nick Banman | IF | 2015-2018 | Pittsburgh, Fort Scott CC |
| Cory Bannister | P | 2007-2009 | Stanford |
| Glenn Bannister | OF | 1972-1973 | Oklahoma |
| Jason Banos | OF | 2007-2011 | Columbia |
| Matt Banta | OF | 2004-2004 | McNeese State |
| Phil Banta | P | 2000-2001 | Gonzaga, Bellevue CC |
| Dalton Banwart | P | 2009-2009 | Wichita State |
| Bryan Baquer | OF | 2013-2016 | Washington College |
| Joe Baran | P | 2016-2019 | Stony Brook, Lackawanna College, East Stroudsburg Pennsylvania |
| Kyle Baran | OF | 2006-2007 | Minnesota, Iowa Central CC |
| Matt Baran | P | 2008-2008 | College of Charleston, Palm Beach State College |
| Tyler Baratono | IF | 2011-2013 | Western Illinois, Mott CC |
| Alex Baratta | 3B | 2016-2019 | UNC Asheville, Binghamton |
| Matt Barattino | P | 2008-2009 | Air Force |
| Derek Barauskas | IF-OF | 2008-2009 | La Salle |
| David Barba | P | 2002-2002 | Loyola Marymount |
| Mike Barba | OF | 2010-2013 | Nicholls State |
| Noah Barba | OF | 2016-2019 | Cal State Bakersfield, El Camino College |
| Tito Barba | IF | 2001-2002 | Sacramento State, Southwestern College |
| Eitan Barbalat | P | 2005-2008 | Bradley |
| Andrew Barbarino | P | 2010-2013 | Hofstra |
| Jesse Barbaro | 1B | 2009-2009 | South Carolina, Lander |
| Kyle Barbato | C | 2007-2010 | Siena College, Moorpark College |
| Kyle Barbeck | P | 2009-2012 | Mississippi, Missouri, Northeast Texas CC |
| Hunter Barbee | P | 2018-2019 | The Citadel |
| Jake Barbee | C | 2014-2017 | Liberty |
| Chad Barben | 3B | 2006-2006 | Central Missouri |
| Addison Barber | P | 2015-2016 | Old Dominion, Fairmont State College |
| Austen Barber | C | 2010-2013 | Winthrop |
| Billy Barber | P | 2008-2011 | Richmond |
| Bryson Barber | IF | 2005-2008 | Florida |
| Chris Barber | P | 2017-2019 | Northern Kentucky, Clarendon College |
| Erik Barber | OF | 2012-2015 | Central Florida |
| Jason Barber | P | 2017-2017 | Mississippi |
| Jesse Barber | IF | 2002-2005 | Kentucky |
| Mason Barber | P | 2013-2013 | Murray State |
| Matt Barber | SS | 2003-2006 | Birmingham-Southern College |
| Michael Barber | P | 2013-2015 | Jacksonville State, Snead State CC |
| Nick Barber | IF | 2017-2020 | East Carolina |
| Paul Barber | SS | 1992-1995 | Texas A&M |
| Sam Barber | C | 2015-2016 | Delaware State, Lenoir CC |
| Sean Barber | P | 2009-2009 | California |
| Brandon Barbery | P | 2015-2018 | Va Military Inst. |
| Erik Barbic | P | 2004-2004 | Pacific, West Valley College |
| Bobby Barbier | 1B | 2003-2006 | Northwestern State |
| Ross Barbier | IF | 2009-2009 | SE Louisiana |
| Jake Barbiere | IF | 2018-2019 | Rider |
| Robert Barbosa | OF | 2009-2010 | Oral Roberts, Richland College |
| Michael Barbot | P | 2006-2010 | Stony Brook, Seminole Florida |
| Chad Barbre | OF | 2005-2006 | Lamar, Blinn College |
| Jordan Barchus | IF | 2015-2019 | San Francisco, Lower Columbia CC |
| Hunter Barco | P | 2020-2020 | Florida |
| Beau Barcus | 3B | 1998-1999 | San Diego State |
| Christian Barczi | C | 2017-2019 | Valparaiso |
| Jared Bard | P | 2007-2010 | North Carolina, Richmond |
| Justin Bard | OF | 2013-2014 | St. John's, Triton College |
| Sean Bard | 1B | 2007-2009 | Miss. Valley St, Mineral Area College |
| Zane Bard | 2B | 2013-2016 | Mount Saint Mary, Shepherd University |
| Brock Bardeen | P | 2006-2009 | UC Irvine |
| Alex Barden | P | 2015-2018 | Santa Clara |
| Hunter Barden | P | 2000-2003 | William and Mary |
| Tad Bardenwerper | P | 2002-2005 | Cornell |
| Jonathan Barditch | IF | 2019-2019 | Manhattan College |
| Justin Bardwell | C | 2016-2019 | Fordham |
| Cameron Bare | OF | 2018-2018 | Gardner-Webb |
| Colton Bare | P | 2019-2019 | UMD-Baltimore Cty |
| Matt Bare | C | 2015-2017 | Massachusetts |
| Mickey Barea | SS | 2015-2018 | Urbana University |
| Brian Barefoot | SS-2B | 2015-2018 | Louisiana-Monroe |
| Justin Barefoot | OF | 2005-2008 | UNC Wilmington |
| Robert Barefoot | UT | 2013-2014 | Norfolk State |
| Ryan Barefoot | P | 2008-2011 | Va Military Inst. |
| Adam Barfield | IF | 2005-2005 | Louisiana-Monroe, Bossier Parish CC |
| Hunter Barfield | IF | 2012-2013 | Florida A&M, St. Johns River CC |
| Kyle Barfield | OF | 2015-2018 | Kansas State, San Jacinto |
| Tripp Barfield | P | 2018-2018 | UNC Asheville |
| Brock Barger | P | 2017-2019 | Oklahoma, Midland College, Abilene Christian |
| Bryce Barger | IF | 2013-2014 | Nevada, Fresno City College |
| Morgan Barger | OF | 2014-2014 | New Orleans, Cecil College |
| Zach Barger | OF | 2005-2008 | Long Beach State, Grossmont College |
| Zach Bargeron | P | 2011-2014 | West Virginia |
| Kyle Bargery | OF | 2010-2013 | Tennessee-Martin |
| Kenny Bargfeldt | OF | 2004-2006 | Ball State, Flagler College |
| Matt Barhorst | IF | 2001-2004 | Wright State |
| Joel Barickman | P | 2005-2006 | Illinois, North Central College |
| Connor Barison | P | 2019-2020 | Washington State |
| Joe Barkauskas | OF | 1972-1972 | Lafayette College |
| Jared Barkdoll | C | 2006-2009 | Francis Marion |
| Chris Barker | OF | 2010-2011 | UNC-Greensboro, Madison Area Technical College |
| Dan Barker | P | 2005-2008 | Ohio State, Wright State |
| Donny Barker | P | 1994-1998 | Texas |
| Garrett Barker | P | 2016-2018 | UCLA |
| James Barker | P | 2018-2018 | Brigham Young |
| Jason Barker | P | 2007-2010 | Norfolk State |
| Jeff Barker | P | 2011-2015 | Brigham Young |
| Logan Barker | P | 2018-2019 | Liberty |
| Mason Barker | IF | 2019-2019 | Nicholls State |
| Reggie Barker | H | 2006-2008 | Arkansas-Pine Bluff |
| David Barkholz | OF | 2001-2004 | Bowling Green State |
| Aaron Barkley | C-P | 2017-2019 | Miss. Valley St |
| Andrew Barkley | P | 2013-2016 | Tennessee Tech, Columbia State CC |
| Emory Barkley | C | 2010-2011 | Savannah State |
| Rashad Barksdale | OF | 2005-2006 | SUNY - Albany, Hudson Valley CC |
| Shane Barksdale | OF | 2007-2008 | Nicholls State, Bossier Parish CC |
| Aaron Barley | IF-OF | 2010-2010 | Canisius College |
| Danny Barlok | P | 2016-2018 | Holy Cross, Wake Forest |
| Jeremy Barlow | C | 2014-2015 | Florida A&M, Coastal Alabama-Monroeville |
| Justin Barlow | OF | 2007-2009 | Arkansas-Pine Bluff |
| Merritt Barlow | H | 2005-2005 | Savannah State |
| Patrick Barlow | 1B | 2000-2002 | Seton Hall |
| Walker Barlow | P | 2019-2019 | Georgia Tech |
| Steven Barmakian | 3B-OF | 2017-2019 | George Washington |
| Patrick Barmann | P | 2004-2005 | Saint Louis |
| Jason Barmasse | IF | 2010-2011 | Loyola Marymount, Los Angeles Pierce College |
| Andrew Barna | IF | 2010-2013 | Davidson College |
| Brandon Barna | IF | 2016-2019 | Alcorn State |
| Justin Barna | OF | 2014-2018 | Alcorn State, Pearl River CC |
| Ross Barna | P | 2002-2004 | Columbia |
| Dusty Barnard | P | 2005-2006 | Connors State College, Oklahoma State |
| Gunnar Barnard | P | 2018-2019 | Northern Kentucky |
| Mike Barnard | C | 2004-2007 | Bowling Green State |
| Matt Barnathan | OF | 2007-2010 | Saint Joseph's |
| Parker Barnell | P | 2015-2017 | Fordham |
| Austin Barnes | P | 2012-2015 | Hartford |
| Bernard Barnes | C | 2015-2017 | Savannah State |
| Blake Barnes | P | 2011-2012 | Oklahoma State, Howard College |
| Brad Barnes | C | 2005-2005 | Grambling State, Louisiana Tech |
| Brian Barnes | P | 2002-2005 | Western Carolina |
| Bryan Barnes | IF | 2010-2011 | Ohio, Bellevue CC |
| Chris Barnes | H | 2006-2006 | Nicholls State |
| Clayton Barnes | P-1B | 2003-2007 | Brigham Young |
| Clayton Barnes | P | 2019-2019 | Marist |
| Cody Barnes | P | 2008-2011 | Florida, Daytona Beach CC, Florida Atlantic |
| Craig Barnes | IF | 2007-2007 | Louisiana-Monroe |
| Forrest Barnes | P | 2019-2019 | Missouri State |
| Hogan Barnes | 1B | 2008-2009 | Miss. Valley St, College of The Siskiyous |
| Jake Barnes | IF | 2012-2015 | UMD-Baltimore Cty |
| Jesse Barnes | IF | 2004-2004 | Pennsylvania |
| Joe Barnes | IF | 2010-2011 | USC-Upstate, Grand Rapids CC |
| Jon Barnes | P | 2008-2009 | Missouri State, Coffeyville CC |
| Josh Barnes | P | 2006-2009 | Morehead State |
| Joshua Barnes | H | 2004-2004 | Arkansas-Pine Bluff |
| Justin Barnes | IF | 2011-2011 | Ark-Little Rock, Redlands CC |
| Justin Barnes | H | 2011-2011 | Tennessee-Martin |
| Kaleb Barnes | P | 2019-2019 | North Alabama |
| Kenneth Barnes | P | 2005-2006 | Bethune-Cookman |
| Keyon Barnes | IF | 2011-2011 | Grambling State, Temple College |
| Marcus Barnes | P | 2008-2010 | Memphis |
| RJ Barnes | CF | 2019-2019 | Morehouse College |
| Ryan Barnes | C-IF | 2010-2013 | Oregon State |
| Ryan Barnes | 1B | 2012-2015 | SE Missouri State |
| S Barnes | P | 2010-2011 | Miss. Valley St |
| Stephen Barnes | P | 2008-2008 | Oral Roberts, Lake City CC |
| Taylor Barnes | P | 2007-2007 | Ohio State |
| Tony Barnes | IF | 2004-2007 | Butler |
| Whitman Barnes | P | 2015-2016 | UNC Wilmington |
| Zach Barnes | P | 2016-2019 | Butler, East Carolina, Iowa Western CC |
| Aaron Barnett | C | 2014-2017 | Pepperdine |
| Antuan Barnett | OF | 2001-2004 | Fairfield |
| Bradley Barnett | IF | 2017-2018 | Texas Christian, Grayson County College, Maryland |
| Bret Barnett | P | 2018-2019 | South Dakota State |
| Brian Barnett | IF-OF | 2010-2011 | Nevada, Western Nevada CC |
| Bryce Barnett | P | 2020-2020 | Arizona State |
| Chris Barnett | C | 2012-2015 | Loyola Marymount |
| Daniel Barnett | IF | 2016-2017 | Grambling State |
| Devin Barnett | P | 2004-2007 | Massachusetts, Tulane |
| Hayden Barnett | P | 2013-2014 | Arkansas, LSU-Eunice |
| Jordan Barnett | IF | 2004-2004 | Oral Roberts |
| Kenny Barnett | P | 2007-2007 | Louisville, Northern Kentucky |
| Mason Barnett | P | 2020-2020 | Auburn |
| Matt Barnett | COACH | 1997-1997 | Tennessee-Martin |
| Reid Barnett | P | 2013-2013 | Oklahoma State, Western Oklahoma State College |
| Skyler Barnett | C | 2009-2012 | East Tennessee State |
| Spencer Barnett | IF | 2011-2011 | Oral Roberts, Seminole State College |
| Colby Barnette | 3B | 2014-2017 | North Carolina, Wingate |
| Logan Barnette | P-IF | 2015-2017 | Georgia State |
| Tyler Barnette | C | 2011-2013 | West Virginia, Fairmont State College |
| Justin Barney | H | 2011-2013 | Alcorn State |
| Milt Barney | IF | 2007-2010 | Southern, Grambling State, Alcorn State |
| Zach Barnhart | IF | 2015-2017 | Illinois State, Lincoln Land CC |
| Paul Barnhill | P | 2015-2017 | Furman |
| Tommy Barnhouse | P | 2017-2019 | Wichita State |
| Nick Barnicle | C | 2004-2006 | Georgetown |
| Kris Barnswell | P | 2000-2002 | Toledo |
| Brody Barnum | P-OF | 2018-2020 | Washington State |
| Kevin Barnum | P | 2004-2006 | California |
| Tim Barnum | P | 2009-2009 | Valparaiso |
| Jeff Barnyak | P | 2001-2005 | Pittsburgh |
| Jordan Baron | P | 2006-2009 | Liberty, Lipscomb |
| Liam Baron | P | 2010-2010 | Gonzaga, Linn-Benton CC |
| Ronnie Baron | P | 2003-2004 | McNeese State, Blinn College |
| Blake Barone | OF | 2008-2008 | Quinnipiac |
| Nat Barone | OF | 2011-2011 | Canisius College, SUNY-Jamestown |
| Peter Barone | P | 2006-2009 | Marist |
| Alex Barr | P | 2013-2014 | Western Carolina |
| Austin Barr | C | 2013-2016 | Stanford |
| Bart Barr | P | 2004-2004 | Texas Christian |
| Bryce Barr | P | 2015-2018 | Columbia |
| Cole Barr | 3B | 2018-2020 | Indiana |
| Dawson Barr | P | 2019-2019 | Texas Christian, Texas A&M |
| Derrick Barr | OF | 2003-2005 | Penn State |
| Jeremiah Barr | P | 2017-2019 | Miss. Valley St, Grossmont College |
| John Barr | P | 2016-2019 | South Alabama, Northwest Florida State College, New Orleans |
| Josh Barr | P | 2018-2019 | Florida A&M, Central Florida CC |
| Mark Barr | P | 1973-1974 | Golden West College, USC |
| Patrick Barr | OF | 2010-2010 | Alabama-Birmingham |
| Riley Barr | P | 2014-2015 | New Mexico State, Mt. Hood CC |
| Ryan Barr | OF | 2013-2016 | Portland |
| Zach Barr | P | 2012-2013 | Central Arkansas |
| James Barragan | P | 2012-2015 | Cal State Bakersfield |
| Kyle Barratt | IF | 2004-2007 | UC Riverside |
| Christopher Barraza | P | 2019-2019 | New Mexico State |
| Daniel Barraza | P | 2017-2018 | UC Davis, Los Angeles Pierce College |
| Tony Barreca | C | 2019-2019 | Georgetown |
| Richie Barrella | IF | 2016-2019 | Manhattan College |
| Skylar Barrentine | OF | 2012-2013 | McNeese State, Louisiana-Monroe |
| Benson Barrera | P | 1999-2001 | Utah |
| Diego Barrera | P | 2019-2019 | Washington |
| Isaac Barrera | OF | 2018-2019 | Gonzaga |
| Jon Barrera | --- | 2020-2020 | Texas Tech |
| Josh Barrera | P | 2006-2009 | Ohio State |
| Kyle Barret | IF | 2015-2019 | Ark-Little Rock, Skyline College, Cal State Northridge |
| Edgar Barreto | P | 2007-2008 | Florida Gulf Coast |
| Austin Barrett | C | 2002-2004 | Bucknell |
| Austin Barrett | C-1B | 2011-2014 | Mercer |
| Billy Barrett | P | 2007-2011 | Illinois |
| Braedon Barrett | SS | 2016-2019 | Northwestern State, Hinds CC, Louisiana-Monroe |
| Brandon Barrett | C-IF | 2000-2003 | Furman |
| Brandon Barrett | P | 2004-2004 | Texas Southern |
| Christopher Barrett | P | 2004-2006 | Southern |
| Joel Barrett | 1B | 2004-2007 | Maine |
| John Barrett | OF | 2014-2016 | Iowa |
| Josh Barrett | P | 2009-2011 | Louisiana Tech, McLennan CC, Navarro College |
| Joshua Barrett | P | 2004-2006 | Brigham Young, Arizona State |
| Kyle Barrett | IF | 2002-2004 | George Mason |
| Matt Barrett | IF | 2004-2006 | George Mason |
| Mike Barrett | OF | 2005-2005 | Bucknell |
| Riley Barrett | SS-2B | 2002-2002 | San Diego State |
| Ryan Barrett | IF | 2004-2007 | Evansville |
| Shawn Barrett | 1B | 2005-2006 | Mercer, Pasco-Hernando CC |
| Steve Barrett | OF | 1966-1967 | Oklahoma |
| Steven Barrett | P | 2009-2010 | Bowling Green State |
| Stuart Barrett | P | 2019-2019 | George Mason |
| Tyler Barrett | C-1B | 2014-2014 | Central Ct State, Adelphi |
| Zach Barrett | IF-OF | 2007-2008 | Middle Tenn State, Olney Central College |
| Adam Barrick | P | 2002-2006 | Yale |
| Colby Barrick | OF | 2015-2018 | Cal Poly, Allan Hancock College |
| Josh Barrick | IF | 2015-2018 | Liberty |
| Bobbie Barrie | OF | 2009-2009 | Florida Gulf Coast |
| Michael Barrientos | OF | 2013-2015 | New Mexico State, Trinidad State Junior College |
| Shane Barringer | P | 2017-2019 | Siena College, Bellarmine |
| Briggs Barrios | IF | 2011-2013 | Tulane |
| Dan Barrios | P-OF | 2000-2003 | Long Island-Brooklyn |
| Jake Barrios | IF | 2013-2014 | Texas Tech, Seward County CC |
| Coleman Barron | P-OF | 2010-2011 | Davidson College |
| Connor Barron | SS | 2012-2015 | Southern Miss |
| Julian Barron | P | 2014-2014 | Sacramento State |
| Kevin Barron | IF | 2016-2018 | Campbell |
| Seamus Barron | P | 2003-2004 | Canisius College, Onondaga CC |
| Derek Barrone | H | 2003-2003 | Northern Illinois |
| Yosvel Barroso | IF | 2005-2006 | Florida Intl, Miami-Dade College |
| Jeff Barrow | P | 2001-2003 | Seton Hall |
| Kane Barrow | OF-IF | 2013-2015 | Memphis, Jackson State CC |
| Aaron Barrows | OF | 2006-2009 | Eastern Kentucky |
| Allen Barry | P | 2017-2019 | Davidson College |
| Andrew Barry | OF | 2010-2014 | Hartford, Holy Cross |
| Blake Barry | UT | 2014-2017 | Pacific, Los Angeles Valley College |
| Brian Barry | IF | 2010-2013 | Tulane, SUNY-Cortland |
| Devin Barry | C | 2008-2010 | Northeastern |
| James Barry | 3B | 2014-2017 | Longwood, Blinn College |
| Jason Barry | P | 2007-2007 | Northern Iowa, Porterville College |
| Josh Barry | P | 2011-2014 | Stony Brook |
| Kevin Barry | OF-IF | 2019-2019 | Valparaiso |
| Leyton Barry | IF | 2019-2019 | Texas-San Antonio |
| Nick Barry | C | 2015-2018 | Massachusetts-Lowell |
| Tim Barry | IF-P | 2007-2007 | Oakland |
| Tom Barry | P | 2009-2012 | Northern Illinois, San Francisco |
| Tyler Barry | OF | 2015-2015 | Longwood |
| David Barta | P | 2017-2018 | Loyola Marymount |
| Bryce Bartch | OF | 2009-2009 | Cleveland State |
| Chris Barte | P | 2010-2010 | Eastern Kentucky |
| Nick Barte | P | 2003-2006 | Eastern Kentucky |
| Andrew Bartek | P | 2013-2016 | Navy |
| Travis Bartek | OF | 2004-2005 | Texas A&M, Feather River College |
| Kyle Bartelman | IF | 2014-2017 | Columbia |
| Cole Bartels | P | 2017-2020 | Penn State |
| Jake Bartels | P | 2015-2018 | Western Michigan |
| David Bartelt | P | 2002-2004 | Florida |
| Jason Barth | C | 2007-2010 | Oral Roberts |
| Brandon Barthel | P | 2003-2004 | New Orleans, Southern Miss, Delgado CC |
| Chris Barthel | P | 2007-2009 | Sacred Heart |
| Corey Barthel | IF | 2006-2007 | Cal Poly |
| Luke Barthel | OF | 2005-2006 | Mississippi, Holmes CC |
| Gerald Bartholemew | OF | 2004-2005 | Grambling State |
| Christian Bartholomew | P | 2013-2016 | Wake Forest |
| Cory Bartholomew | P | 2017-2019 | USC-Upstate, Gordon State, UWGA |
| Jared Bartholomew | OF | 2007-2010 | Kent State |
| Corey Bartkowiak | OF | 2012-2012 | Stephen F. Austin |
| Shawn Bartle | 2B | 1992-1992 | McLennan CC, Houston |
| Andrew Bartlett | IF | 2010-2014 | High Point, Florida Tech |
| Branden Bartlett | P | 2010-2012 | George Mason |
| Charlie Bartlett | C | 2018-2019 | Houston, San Jacinto |
| Clay Bartlett | P | 2007-2010 | Columbia |
| Jake Bartlett | C | 2014-2017 | Delaware State |
| Judson Bartlett | OF | 2011-2013 | Houston Baptist, Wharton County Junior College |
| Kevin Bartlett | P | 2010-2010 | SUNY - Albany |
| Mike Bartlett | P | 2008-2011 | Quinnipiac |
| Stephen Bartlett | C | 2011-2014 | Jacksonville State |
| Devin Bartley | C | 2019-2019 | NC A&T State |
| Josh Bartley | P-IF | 2013-2016 | Western Kentucky |
| Josh Bartlome | P | 2002-2002 | Washington State |
| Jason Bartnicki | P | 2004-2007 | Cleveland State |
| Luke Bartnicki | P | 2019-2019 | Georgia Tech |
| Matthew Bartnik | P | 2016-2018 | New York Tech |
| Burt Barto | P | 2007-2008 | Georgia Southern, Young Harris College |
| Cameron Barto | --- | 2020-2020 | Pittsburgh |
| Caleb Bartolero | C | 2019-2019 | Troy |
| Ray Bartoli | P | 2018-2019 | Army |
| Ray Bartolomucci | C | 2014-2015 | Valparaiso |
| Nick Bartolone | OF | 2014-2016 | Butler |
| Bob Barton | P | 2001-2003 | Connecticut |
| Brian Barton | P | 2000-2002 | Washington |
| Buck Barton | 1B-3B | 2002-2003 | New Mexico State, New Mexico JC |
| Caleb Barton | P | 2005-2006 | Texas-San Antonio, Panola College |
| Cory Barton | C | 2005-2006 | Memphis, Shelton State CC |
| Jacob Barton | IF | 2013-2013 | Ark-Little Rock, Connors State College |
| Jacob Barton | P | 2015-2019 | Mississippi State, LSU-Eunice, Louisiana-Monroe |
| James Barton | C | 2013-2013 | Texas |
| Jeffrey Barton | P | 2015-2018 | Illinois State |
| Stephen Barton | IF-OF | 2003-2006 | Florida |
| Stuart Barton | C | 2009-2010 | South Alabama, Jefferson State CC |
| Craig Bartosh | OF | 2003-2004 | Oklahoma State, Grayson County College, Dallas Baptist |
| Lyndon Bartosh | C | 2006-2007 | Texas-Pan American, Navarro College |
| P.J. Bartosh | P | 2004-2004 | Cleveland State |
| Bobby Bartow | OF | 2002-2002 | Kansas, Allen County CC |
| Connor Bartow | P | 2014-2017 | East Tennessee State |
| Kenny Bartz | OF | 2009-2009 | Oregon, Lassen CC |
| Daniel Baruch | 1B-P | 2020-2020 | Boston College |
| Greg Baruka | P | 2013-2014 | Towson, Kean |
| Dan Barwick | OF | 2013-2016 | UW Milwaukee |
| Lemmie Barwick | P | 2005-2005 | Campbell |
| Thomas Barwick | P | 2011-2012 | Florida A&M |
| Greg Basalyga | 3B-P | 2014-2017 | Bowling Green State |
| Brady Bascle | OF-1B | 2004-2007 | Louisiana Tech |
| Mike Bascom | OF | 1999-2003 | Seton Hall |
| Ernie Bascuas | P | 2000-2000 | Miami-Dade College, Lake City CC, South Carolina |
| Bret Bascue | OF | 2007-2010 | Wichita State |
| Kevin Bascue | OF-1B | 1983-1983 | Garden City CC, Kansas |
| Shane Basen | IF | 2010-2013 | UNC Charlotte |
| Brady Bash | P | 2019-2019 | New Jersey Tech |
| Jake Basham | OF | 2003-2004 | Utah |
| Mike Basham | OF | 2001-2003 | Utah, Dixie State College |
| Ryan Basham | P | 2005-2008 | Elon, High Point |
| Brian Bashara | IF | 2011-2014 | Old Dominion |
| AJ Bashaw | P | 2012-2015 | New Jersey Tech, Roger Williams |
| Samuel Bashioum | P | 2010-2011 | UMD-Baltimore Cty, Seton Hill University |
| Chris Bashlor | 1B-C | 2017-2019 | Lipscomb |
| Michael Basil | IF | 2010-2013 | Indiana, Iowa |
| David Basile | C | 2001-2002 | New Mexico State |
| Steve Basile | P | 2012-2015 | Iona College |
| Brody Basilone | P | 2017-2018 | Northern Kentucky, Sinclair CC |
| Tyler Basilone | P | 2009-2009 | Bowling Green State |
| Cole Basinger | P | 2005-2006 | Southern Miss, Coastal Ala |
| Matt Basinger | P | 2001-2003 | Maryland |
| David Baska | P-IF | 2012-2013 | Air Force |
| Kyle Baskett | OF | 2010-2010 | Sacramento State, Green River CC, St. Martin's University |
| Austin Baskin | P | 2020-2020 | Memphis |
| Connor Basler | IF | 2017-2019 | SE Missouri State |
| Jimmy Basnight | IF-OF | 2003-2003 | St. Bonaventure |
| Brad Bass | C | 2002-2005 | LSU, Southern, North Central Texas College |
| Brandon Bass | IF | 2012-2013 | Oklahoma State, Iowa Western CC |
| Brett Bass | OF | 2010-2014 | Iowa Western CC |
| Bryan Bass | IF | 2010-2013 | East Carolina |
| Derrick Bass | IF | 2001-2004 | Chicago State |
| Dillon Bass | IF | 2011-2014 | UNC Wilmington |
| Jakari Bass | P | 2012-2015 | Texas Southern |
| Jonny Bass | OF-P | 2002-2002 | Maryland, College of Southern Maryland |
| Michael Bass | P | 2002-2003 | San Diego |
| Mike Bassage | P | 2004-2007 | Pittsburgh |
| Carson Bassett | C | 2003-2003 | Furman |
| Le Bassett | IF | 2018-2018 | Mercer |
| Brady Bassford | 2B | 2012-2015 | Maryland-Eastern Shore, Coker College |
| Chris Basso | P | 2004-2007 | Seton Hall |
| Chris Basso | --- | 2018-2018 | Army |
| Gino Basso | P | 2013-2014 | Georgetown |
| George Bassolino | C | 2005-2008 | Iona College |
| Alex Bast | C | 2010-2013 | Air Force |
| Brandon Bast | P | 2011-2011 | Georgia State, Georgia Perimeter College |
| Nick Bast | C | 2011-2012 | USC |
| Ryan Bast | IF | 2009-2011 | USC |
| Connar Bastaich | 1B | 2013-2016 | Longwood, Potomac State College of WVU |
| Will Bastian | UT | 2019-2019 | The Citadel |
| Bryce Bastien | OF | 2012-2015 | Kentucky, Maryville University |
| Collin Bastien | P | 2005-2006 | Memphis, John A. Logan College |
| Dusty Bastion | OF | 2004-2005 | Louisiana Tech |
| Joe Bastow | P | 2007-2007 | Massachusetts |
| David Batchelder | P | 2008-2008 | Saint Peter's, College of Saint Rose |
| Jake Batchelder | P | 2013-2015 | Davidson College |
| Owen Batchelder | P | 2018-2019 | Northeastern |
| Zach Batchelor | P | 2011-2014 | Temple |
| Drake Batcho | p | 2019-2019 | Cincinnati |
| Bob Batdorf | P | 2001-2004 | University at Buffalo |
| Brady Bate | OF | 2015-2018 | San Francisco |
| Craig Bate | P-1B | 2006-2007 | Eastern Michigan |
| Kyle Bateman | P | 2002-2003 | Mississippi, Central Arizona College, McNeese State |
| Nick Bateman | OF | 2013-2017 | Winthrop, Miami-Dade College, West Chester |
| Todd Bateman | P-OF | 2004-2005 | Utah Valley U, BYU-Idaho |
| Aaron Bates | P | 2006-2006 | New Mexico |
| Andrew Bates | OF | 2018-2018 | South Alabama |
| Chris Bates | P | 2011-2015 | Richmond |
| Clay Bates | P | 2012-2015 | Clemson |
| Corey Bates | P | 2017-2019 | East Tennessee State, Walters State CC, Indianapolis |
| Coty Bates | P | 2010-2011 | Cleveland State, Lincoln Trail College |
| Gavin Bates | P | 2019-2019 | Dayton |
| Josh Bates | P | 2018-2019 | Tulane, Stetson |
| Keegan Bates | P | 2019-2019 | Valparaiso |
| Matt Bates | P | 2006-2006 | Illinois Valley CC, Ark-Little Rock |
| Michael Bates | P | 2015-2017 | UNC-Greensboro |
| Nick Bates | P | 2012-2016 | Saint Louis |
| Parker Bates | OF | 2017-2020 | Louisiana Tech |
| RJ Bates | OF | 2018-2019 | USC, Riverside CC, Biola |
| Schuyler Bates | P | 2015-2018 | Penn State, Iona College |
| Torry Bates | 1B=P | 2003-2004 | Alcorn State |
| Trevor Bateson | P | 2019-2019 | UC Riverside |
| Nick Batey | P | 2007-2007 | Air Force |
| Josh Batilla | P | 2001-2004 | Kansas State, San Jacinto, Lamar |
| Greg Batista | OF | 2002-2005 | Fairfield, Siena College |
| Randy Batista | IF | 2014-2017 | Miami, Indian River CC |
| Austin Batka | P | 2015-2018 | Illinois-Chicago, Michigan |
| Aaron Batlle | 3B-SS | 2003-2005 | Texas-Arlington, Galveston College |
| Logan Batlle | 2B | 2007-2007 | Texas-Arlington |
| Zane Bator | 1B-P | 2009-2010 | Liberty, Wenatchee Valley CC |
| Glenn Batson | 3B-1B | 2015-2016 | Clemson |
| Anthony Battaglia | P-1B | 2012-2015 | Wagner |
| Brian Battaglia | IF | 2009-2009 | Wagner, Rochester Institute of Technology |
| Joe Battaglia | C | 2011-2014 | Northern Illinois |
| Joey Battaglia | C-IF | 2019-2019 | Niagara |
| Peter Battaglia | 1B-OF | 2017-2019 | Niagara |
| Dion Battee | OF | 1998-1999 | San Diego State |
| Brady Batten | P-OF | 2017-2019 | Houston Baptist, Northeast Texas CC |
| David Batten | P | 2000-2003 | Appalachian State |
| Ricky Batten | C | 2005-2005 | Texas-Arlington, New Mexico JC |
| B.J. Batterson | 3B | 2001-2003 | Bucknell |
| Jerry Battipaglia | P | 2009-2012 | Villanova |
| Charlie Battis | P | 2012-2015 | Monmouth |
| Joe Battistelli | IF-P | 2010-2013 | Eastern Michigan |
| Kenneth Battiston | OF-P | 2007-2011 | Eastern Michigan |
| Bryant Battle | OF | 2014-2017 | North Carolina Central |
| Dexter Battle | 1B | 1998-1999 | Miss. Valley St |
| Joel Battle | 3B | 2004-2007 | NC A&T State |
| Kal Battle | OF | 2003-2003 | Marist |
| Kyle Battle | OF | 2017-2020 | Old Dominion |
| Patrick Battle | 1B | 2001-2003 | NC A&T State |
| Sam Battle | OF | 2003-2003 | St. Mary's (CA) |
| Derek Batton | P | 2001-2004 | Delaware State, St. Andrews |
| Jonathan Batts | C | 2004-2007 | UNC Wilmington |
| Brock Batty | P | 2018-2019 | Louisiana-Lafayette |
| Seth Batty | OF | 2010-2014 | UC Davis |
| John Baturgil | SS-2B | 2014-2017 | Long Island-Brooklyn, Brookdale CC, Chestnut Hill College |
| Matt Baty | OF | 2003-2006 | Kansas |
| Nathan Bauder | P | 2013-2013 | Texas Tech |
| Brian Baudinet | OF | 2007-2010 | Massachusetts, Rochester |
| Derek Baudy | P | 2012-2012 | Alabama A&M |
| Adam Bauer | OF-IF | 2014-2017 | Murray State, Southwestern Illinois College |
| Brad Bauer | IF | 2009-2010 | Loyola Marymount, Cuesta College |
| Brian Bauer | IF | 2003-2006 | Washington, San Diego State |
| Camden Bauer | IF | 2017-2017 | Alabama |
| Clay Bauer | P | 2011-2015 | College of San Mateo, Oregon State |
| Colton Bauer | --- | 2018-2018 | College of Charleston, Charleston |
| Eric Bauer | P | 2013-2016 | College of Charleston, Central Florida CC |
| Erik Bauer | P-OF | 2013-2017 | Marist, Barry |
| Frank Bauer | P | 2003-2003 | Kansas State, Hutchinson CC |
| Gabe Bauer | C | 2003-2006 | Evansville |
| Grant Bauer | IF | 2008-2009 | UC Davis, UC San Diego |
| Jim Bauer | P | 2004-2005 | Northern Iowa |
| Matt Bauer | OF | 2009-2011 | Central Arkansas, McLennan CC |
| Mike Bauer | P | 2002-2005 | East Tennessee State |
| Payton Bauer | P | 2018-2018 | Texas A&M-Corpus Christi |
| Bryce Baugh | IF | 2008-2011 | Pepperdine, Southern Nevada, West Texas A&M |
| Garrett Baugh | P | 2011-2014 | Tennessee Tech |
| Stephen Baughan | P-1B | 2017-2019 | Norfolk State |
| Drew Baughman | C-1B | 2019-2019 | Liberty |
| Josh Baughman | OF | 2003-2003 | Bowling Green State |
| Luke Baughman | P | 2004-2007 | Illinois State |
| Mark Baughman | P | 2014-2017 | Louisiana Tech |
| Nick Baughman | OF | 2001-2004 | Southern Illinois |
| Rand Baughman | SS-2B | 2007-2008 | Winthrop |
| Graham Baughn | P | 2005-2008 | UNC Asheville |
| Brian Bauk | OF-P | 2014-2017 | Appalachian State |
| Alec Baum | P | 2012-2013 | La Salle |
| Derek Baum | C | 2009-2013 | Pacific, Palomar College, Northern Colorado |
| Taylor Baum | 1B | 2005-2006 | Maryland |
| Chris Bauman | P | 2008-2008 | Cleveland State, Spalding University |
| Douglas Bauman | OF | 2002-2002 | Pacific, Sonoma State |
| Kelly Bauman | C | 2007-2007 | Ark-Little Rock |
| Alex Baumann | C-3B | 2017-2019 | Bucknell |
| Cam Baumann | P | 2018-2019 | Iowa |
| Eric Baumann | DH | 2004-2008 | Duke, South Florida |
| John Baumann | P | 2005-2008 | Columbia |
| Sean Baumann | OF | 2006-2009 | Georgetown |
| Jeff Baumback | P | 2001-2003 | Long Beach State, Phoenix College |
| Colin Baumgard | P | 2015-2018 | North Dakota State, Minnesota-Duluth |
| Conner Baumgardner | P | 2014-2014 | Southern |
| Simon Baumgardt | --- | 2020-2020 | Tulane |
| Josh Baumgart | P | 2016-2019 | Creighton, Morehead State, Iowa Western CC |
| Blake Baumgartner | IF | 2018-2019 | UC San Diego |
| Brandon Baumgartner | P | 2008-2011 | North Dakota |
| Brett Baumgartner | OF | 2005-2005 | Southern Utah |
| Collin Baumgartner | P | 2018-2019 | SIU-Edwardsville |
| Jake Baumgartner | P | 2001-2003 | Saint Louis |
| Jeff Baumgartner | 1B-P | 2004-2006 | Lipscomb |
| Joe Baumgartner | P | 2008-2008 | Saint Louis, St. Charles CC |
| Kevin Baumgartner | P | 2013-2014 | New Mexico, Paradise Valley |
| Todd Baumgartner | OF | 2008-2011 | Arkansas State |
| Tyler Baumgartner | OF | 2013-2014 | Oregon, Bellevue CC |
| Trey Baur | IF | 2015-2018 | Cornell |
| Ed Baust | P | 2005-2006 | Murray State |
| Kory Bauswell | C | 2011-2013 | Western Michigan |
| Brett Bautista | OF | 2014-2018 | San Jose State |
| Mark Bautista | C | 2001-2004 | San Jose State |
| Richard Bautista | OF | 2006-2007 | Xavier |
| Richard Bautista | UT | 2010-2013 | Grambling State |
| Stephen Bautista | P | 2008-2009 | Nevada, Cosumnes River College |
| Jacob Bax | P | 2012-2013 | Arkansas State, Jefferson College |
| Logan Bax | C | 2017-2017 | Arkansas-Pine Bluff, Mineral Area College |
| Mike Bax | P | 2004-2007 | Canisius College |
| Blake Baxendale | C | 2013-2015 | Arkansas, Crowder |
| Barrett Baxley | P | 2011-2012 | Miss. Valley St, Mississippi Delta CC |
| Barry Baxter | OF | 2004-2004 | Central Florida |
| Bo Baxter | H | 2003-2004 | Murray State |
| Brady Baxter | OF | 2009-2011 | Towson |
| Cade Baxter | H | 2008-2008 | Arkansas State |
| Cary Baxter | P-OF | 2012-2014 | Alabama |
| Kevin Baxter | P | 2014-2016 | Rutgers |
| Michael Baxter | P | 2011-2013 | Nicholls State, Miss Gulf Coast |
| Sheldon Baxter | P | 2013-2016 | Murray State |
| Greg Bayard | P | 2009-2009 | Rutgers |
| Matt Bayes | P | 2009-2012 | Indiana State, Bellarmine |
| Kyle Bayles | --- | 2017-2019 | South Alabama, William Carey |
| David Bayless | P | 2004-2005 | Southern, Arkansas-Pine Bluff |
| Tristan Bayless | P | 2017-2019 | Texas A&M, McLennan CC, Houston |
| Cole Baylis | P | 2011-2012 | Oregon State |
| Garrett Baylis | if | 2019-2019 | Maryland-Eastern Shore |
| Beau Bayliss | IF | 2011-2012 | Louisiana Tech |
| Ben Baylor | P | 2006-2007 | Florida A&M, North Florida CC |
| Westyn Baylor | P-OF | 2012-2015 | Radford, Mansfield Pennsylvania |
| Khalib Bayona | 3B | 2019-2019 | Tampa |
| Corey Bays | IF | 2012-2013 | Murray State, Georgetown College |
| Josh Bays | P | 2015-2016 | Western Michigan |
| Jeff Bayse | P | 2006-2010 | Saint Peter's |
| Chase Bayuk | P | 1965-2008 | Kansas State |
| Nate Bayuk | P | 2009-2013 | Boston College |
| AJ Bayus | IF | 2011-2012 | Hawaii, Golden West College |
| Anthony Bayus | IF-OF | 2013-2015 | Murray State, John A. Logan College |
| AJ Bazdanes | P | 2009-2013 | Maine |
| Max Bazin | P-IF | 2016-2019 | Davidson College |
| Dom Bazzani | P | 2016-2019 | Tennessee-Martin, Georgia Perimeter College |
| 951 record(s) |