| Chris Arago | COACH | 1977-1977 | Alabama |
| Justin Aragon | P | 2008-2008 | Kansas State |
| Phillip Aragon | P | 2001-2002 | Texas Tech, Nicholls State, Lamar CC |
| Gabe Araj | P | 2013-2014 | Pacific, Sacramento City College, Central Arkansas |
| James Arakawa | IF | 2019-2021 | Pacific |
| Jarrett Arakawa | P | 2011-2015 | Hawaii |
| Cruz Aranda | IF | 2018-2020 | Campbell, Neosho County CC. |
| Humberto Aranda | C | 2012-2015 | Grand Canyon, Yavapai College |
| Jeremy Aranda | IF | 2004-2006 | Sam Houston State, Houston |
| Josh Aranda | IF | 2004-2006 | Sam Houston State, Houston |
| Justin Arasin | OF | 2002-2005 | Siena College |
| Gabriel Araujo | P | 2006-2006 | Butler |
| Renato Araujo | P | 2006-2006 | Butler |
| Alex Arauz | C-IF | 2018-2020 | Florida Atlantic, Chipola College |
| Jeff Arbayo | OF | 2006-2009 | Portland |
| Ben Arbeiter | H | 1999-1999 | Southern Illinois |
| Caleb Arbeiter | P | 2014-2017 | Murray State, Southwestern Illinois College |
| Vic Arboleda | P | 2009-2009 | Florida A&M |
| Aaron Arboleya | P | 2009-2011 | Florida Intl |
| Adam Arbour | C | 2008-2009 | Michigan |
| Nicholas Arcabascio | IF | 2014-2016 | Quinnipiac, Mercy College |
| Luis Arce | IF | 2005-2005 | Appalachian State, Wilkes CC |
| Brian Arceneaux | P | 2010-2011 | Nicholls State, Delgado CC |
| Corey Arceneaux | OF | 2008-2008 | Nicholls State |
| Matt Arceo | OF | 2019-2021 | Towson, Paul D. Camp |
| Jesse Archambault | P-1B | 2017-2018 | Mount Saint Mary |
| AJ Archambo | OF | 2018-2021 | Oral Roberts |
| Kevin Archbold | P | 2011-2014 | SUNY - Albany |
| Andrew Archer | P | 2012-2014 | Florida Atlantic, Broward College |
| Andy Archer | P | 2017-2021 | Georgia Tech |
| Brad Archer | P | 2015-2015 | Missouri State |
| Dac Archer | IF | 2019-2021 | Radford, Bellevue CC |
| Jeff Archer | P | 2002-2004 | Kentucky |
| Joey Archer | IF | 2009-2010 | Southern Miss, Coastal Alabama-Monroeville |
| Josh Archer | C | 2002-2005 | Middle Tenn State |
| Josh Archer | P | 2019-2019 | Belmont |
| Matt Archer | IF | 2020-2021 | Central Florida |
| Philip Archer | IF | 2017-2021 | Southern Illinois, Olney Central College |
| RJ Archer | P | 2010-2010 | William and Mary |
| Trey Archer | P | 2007-2008 | Xavier, Mercyhurst |
| Zack Archer | OF | 2003-2004 | Kentucky, Blinn College |
| Jake Archey | C | 2012-2015 | Binghamton, Bucknell |
| Lorin Archibald | IF | 2016-2017 | Oklahoma, Lower Columbia CC |
| Ryan Archibald | 1B | 2019-2021 | Arizona, West Virginia, Mercer |
| Ian Arciaga | IF-P | 2012-2015 | Coppin State College, Hawaii Pacific |
| Drew Arciuolo | OF | 2015-2018 | Fairfield |
| John Arciuolo | P | 2006-2006 | Fairleigh Dickinson |
| Fabian Arcizo | P | 2011-2014 | Stephen F. Austin |
| Julien Arcos | P | 2017-2020 | Long Island-Brooklyn, C.W. Post Campus/Long Island |
| Stephen Arcure | OF | 2009-2012 | William and Mary |
| Lorenzo Arcuri | IF | 2014-2017 | Youngstown State |
| Chris Ard | 3B | 2002-2005 | The Citadel |
| Douglas Ard | C | 2016-2016 | South Carolina-Aiken, South Carolina-Salkehatchie |
| Nolan Ard | IF-OF | 2018-2019 | Western Illinois |
| Spencer Ard | P | 2017-2020 | UNC Charlotte, Redlands CC |
| Matt Ardente | P | 2016-2016 | Seton Hall |
| Rob Ardino | P | 2008-2011 | Manhattan College |
| Damon Ardis | IF | 2009-2012 | The Citadel |
| Zachary Ardito | IF | 2017-2021 | Hartford |
| Drew Ardoin | OF | 2017-2020 | Lamar, Blinn College |
| Dustin Ardoin | P-1B | 2010-2010 | Louisiana-Lafayette, Baton Rouge CC |
| Merrick Ardoin | P | 2012-2015 | Nicholls State, East Central, LSU-Eunice |
| Shane Ardoin | P | 2007-2011 | LSU, Louisiana-Monroe |
| Silas Ardoin | C | 2020-2021 | Texas |
| Val Arduini | 2B | 2007-2007 | Binghamton |
| Wade Arduini | P | 2015-2017 | College of Charleston, Winthrop, South Carolina-Beaufort |
| Joe Arechiga | OF | 2012-2015 | Lamar |
| John Arel | P | 2015-2018 | Maine |
| Tyler Arella | P | 2017-2021 | Villanova |
| Carlos Arellano | IF | 2018-2021 | Ball State, Arizona Western College, Cal State Northridge |
| Joey Arellano | P | 2020-2021 | New Mexico State |
| Jorge Arellano | P | 2019-2021 | UC Santa Barbara |
| Sal Arena | C | 2011-2013 | Washington State, Lewis-Clark State College |
| Kyler Arenado | IF | 2019-2021 | UC Davis |
| Jorge Arenas | SS | 2017-2021 | Stetson |
| Michael Arencibia | OF | 2014-2014 | South Florida, Tallahassee CC |
| David Arendas | SS | 1987-1990 | North Carolina |
| Jake Arendsen | P | 2007-2011 | Oakland |
| Billy Arendt | IF | 2013-2016 | Princeton |
| Jayson Arendt | OF-P | 2020-2020 | Elon |
| Bob Arens | C | 2011-2015 | Wichita State |
| Jeff Arens | UT | 2016-2021 | Utah Valley U |
| Matt Arens | P | 2018-2020 | Cal Poly |
| Mike Arensdorff | OF | 2004-2007 | Valparaiso |
| Brady Arenson | P | 2013-2016 | Coastal Carolina, Palm Beach State College, Florida Southern |
| Daryl Arenstein | 1B | 1971-1973 | USC |
| Nick Arevalo | P | 2011-2011 | New York Tech |
| Ricky Arevalo | P | 2017-2021 | Texas-Pan American, Western Texas College |
| Kyle Arganbright | P | 2017-2019 | Northern Kentucky, Northampton CC |
| Zach Argo | P | 2019-2021 | Air Force |
| Brenden Argomaniz | P | 2021-2021 | Richmond, Orange Coast College |
| Andy Arguelles | P | 2017-2021 | South Alabama |
| Anthony Arguelles | P | 2019-2021 | Miami, Santa Fe CC |
| Tanner Argyle | SS | 2021-2021 | Dixie State College, Salt Lake CC |
| George Arias | P | 2019-2021 | Arizona |
| Gerardo Arias | P | 2012-2013 | Morehead State, East Los Angeles College |
| Jaime Arias | P | 2018-2020 | Fresno State |
| Marcos Arias | SS | 2004-2004 | Charleston Southern |
| Waldy Arias | IF | 2019-2021 | Campbell |
| Gianni Arici | IF | 2019-2020 | Quinnipiac |
| Logan Ariola | P | 2009-2011 | Central Arkansas |
| Gus Arismendi | OF | 2007-2008 | Texas A&M-Corpus Christi, Ranger College, El Paso CC |
| Brian Ariss | IF | 2002-2003 | Hofstra |
| J.C. Ariza | P | 2021-2021 | Texas-Pan American |
| Ben Arkin | IF-P | 2012-2015 | Davidson College |
| Matt Arkison | OF | 2002-2003 | Oklahoma, Texarkana College |
| Cole Arledge | C-OF | 2008-2011 | Harvard |
| Jake Arledge | OF | 2014-2017 | Arkansas, Panola College, California Baptist |
| John Arlt | C | 2004-2007 | Minnesota |
| Mike Arman | OF | 2015-2018 | Central Ct State, Kenyon College |
| Donovan Armas | P | 2014-2017 | Villanova, Broward College, Lynn |
| Luis Armas | 1B | 2014-2014 | Texas Southern |
| Steve Armato | C | 2008-2011 | Sacred Heart |
| Justin Armbruester | P | 2018-2021 | New Mexico, Pacific Lutheran |
| William Armbruester | P | 2020-2021 | New Mexico |
| Dane Armbrustmacher | P | 2019-2021 | Western Michigan |
| Matt Armendinger | IF | 2017-2019 | Fairleigh Dickinson, FDU-Florham |
| Nick Armenta | OF | 2010-2013 | Portland |
| Lenny Armenti | OF | 2000-2003 | Fairleigh Dickinson |
| Rich Armento | P | 2006-2009 | St. John's |
| Matt Armentrout | OF-P | 2004-2004 | James Madison |
| Kyle Armeny | OF | 2005-2008 | Pennsylvania |
| Chris Armijo | P | 2006-2007 | Texas State |
| Jonathan Armijo | IF | 2014-2014 | Incarnate Word, Richland College, Marion Military Institute |
| Kevin Armijo | IF | 2008-2011 | Portland |
| Konnor Armijo | C | 2013-2014 | Utah, Santa Ana College |
| Matt Arminio | P | 2003-2003 | Notre Dame |
| Evan Armitage | IF | 2005-2008 | Miami |
| Reece Armitage | OF-P | 2018-2020 | Marist |
| Robbie Armitage | IF | 2018-2020 | Marist |
| Collin Armold | P | 2009-2010 | Alcorn State, Vincennes |
| Brett Armour | C | 2011-2013 | Wake Forest, Young Harris College |
| B.J. Armstead | IF | 2015-2015 | Grambling State |
| Matt Armstead | P | 2012-2012 | High Point, Louisburg College |
| Andrew Armstrong | P | 2021-2021 | Florida State |
| Andy Armstrong | IF | 2017-2021 | Oregon State |
| Brandon Armstrong | OF | 2002-2005 | Indiana U.-Purdue U.-FW |
| Caleb Armstrong | P | 2017-2020 | Louisiana-Lafayette |
| Carlos Armstrong | SS-2B | 2006-2006 | South Florida |
| Darshawn Armstrong | IF | 2017-2017 | Youngstown State |
| Derrick Armstrong | OF | 2013-2014 | Mississippi State, Columbia State CC |
| Elliott Armstrong | OF | 2010-2010 | Southern, Marshalltown CC |
| Eric Armstrong | C | 2001-2004 | Xavier |
| Eric Armstrong | 2B-SS | 2007-2008 | Francis Marion |
| Franklin Armstrong | OF | 2009-2012 | Maryland-Eastern Shore |
| Hughston Armstrong | OF | 2011-2014 | The Citadel |
| Isaac Armstrong | P | 2013-2013 | Tennessee-Martin, Missouri-St. Louis, Mineral Area College |
| J.T. Armstrong | C-OF | 2006-2008 | Charleston Southern, Hardin-Simmons |
| Jack Armstrong | P | 2009-2011 | Vanderbilt |
| Jacob Armstrong | IF | 2014-2016 | Alabama-Birmingham |
| Jake Armstrong | IF | 2013-2015 | NC State, Cisco Junior College |
| Jake Armstrong | P | 2019-2021 | UW Milwaukee, Heartland CC |
| James Armstrong | OF | 2007-2010 | Southern |
| Jeremy Armstrong | P | 2000-2002 | Middle Tenn State, Columbia State CC |
| Kash Armstrong | P | 2014-2015 | Stephen F. Austin, Tyler Junior College |
| Kris Armstrong | IF-P | 2019-2021 | Florida |
| Mark Armstrong | C | 2019-2021 | Cal Poly |
| Matt Armstrong | C | 2003-2004 | Tampa |
| Mike Armstrong | 1B | 2005-2008 | Mercer |
| Mike Armstrong | OF | 2011-2012 | Coppin State College |
| Ryan Armstrong | P | 2003-2003 | Texas State, Texarkana College |
| Sam Armstrong | P | 2010-2010 | Utah Valley U, College of Southern Idaho |
| Sam Armstrong | IF | 2015-2018 | Jacksonville |
| Trevor Armstrong | P | 2018-2021 | Indiana U.-Purdue U.-FW |
| Walker Armstrong | P | 2017-2021 | Cal State Northridge, Allan Hancock College, Middle Tenn State |
| Zack Armstrong | P | 2004-2004 | Western Michigan |
| John Arndorfer | OF | 2018-2020 | Notre Dame |
| Josh Arndt | IF-OF | 2016-2019 | Cornell |
| Patrick Arndt | C-IF | 2017-2021 | Chicago State, Prairie State College, Bellarmine |
| Anthony Arneth | P | 2016-2019 | Rider |
| Patrick Arnett | P | 2003-2006 | Furman |
| Rob Arnett | OF | 2001-2003 | Air Force |
| Ryan Arnett | OF | 2002-2005 | Eastern Michigan, Western Kentucky |
| Zach Arnett | C | 2006-2006 | New Mexico |
| Jonathan Arnic | P | 2008-2009 | Prairie View A&M |
| AJ Arnold | OF | 2021-2021 | Bellarmine |
| Alfred Arnold | OF | 2007-2008 | Savannah State |
| Austin Arnold | P | 2016-2019 | Cornell |
| Barrett Arnold | OF | 2013-2014 | Northern Kentucky |
| Brett Arnold | OF | 2007-2007 | Elon |
| Bryce Arnold | IF | 2021-2021 | Campbell |
| Cameron Arnold | P | 2021-2021 | NC State |
| Carson Arnold | C | 2021-2021 | Appalachian State |
| Chad Arnold | P | 2008-2011 | Washington State |
| Chandler Arnold | P | 2020-2021 | Dallas Baptist, Odessa |
| Chase Arnold | 1B-3B | 2015-2018 | La Salle |
| Chris Arnold | C-OF | 2011-2013 | Savannah State |
| Clint Arnold | OF | 2005-2008 | Arkansas, Texas Christian |
| Clinton Arnold | OF | 2016-2017 | Coppin State College, Northern Kentucky |
| Colin Arnold | OF | 2008-2009 | Central Florida, Daytona Beach CC |
| Drew Arnold | P | 2002-2002 | Western Illinois |
| Greg Arnold | P | 1997-1999 | Penn State |
| Hayden Arnold | P | 2018-2021 | Ark-Little Rock |
| Jackson Arnold | P | 2020-2020 | Georgia Tech |
| Jarrel Arnold | P | 2007-2010 | Alcorn State, Savannah State |
| Jeff Arnold | P | 2008-2012 | Morehead State |
| Jelani Arnold | IF | 2001-2004 | New York Tech |
| Joe Arnold | P-IF | 1968-1968 | Miami-Dade College, Arizona State |
| Josh Arnold | P | 2017-2020 | Fairfield |
| Mark Arnold | P | 1969-1972 | Kansas State |
| Matt Arnold | OF | 2005-2008 | The Citadel |
| Nate Arnold | C | 2012-2015 | Kansas, Allen County CC, Pittsburg State |
| Patrick Arnold | P | 2012-2013 | James Madison |
| RJ Arnold | IF | 2010-2010 | UNLV |
| Sean Arnold | C | 2017-2019 | Incarnate Word, Texas-San Antonio |
| Zach Arnold | C | 2013-2016 | Kentucky |
| Zach Arnold | SS | 2020-2021 | LSU |
| Alec Arnone | C | 2019-2019 | UC Riverside, CSUN |
| Griffin Arnone | OF | 2021-2021 | Elon |
| Riley Arnone | P | 2015-2018 | Winthrop |
| Griffin Arnott | OF | 2016-2016 | Saint Peter's |
| Sean Arnott | IF | 2013-2016 | Temple, Monmouth |
| Kyle Arnsberg | C | 2011-2013 | Arizona State, McLennan CC, Louisiana Tech |
| Kolby Arnst | OF | 2009-2012 | Houston Baptist |
| Steve Arntsen | P | 2015-2018 | Manhattan College |
| Ole Arntson | 1B | 2019-2021 | SIU-Edwardsville, Wabash Valley College |
| Ronald Aron | P | 1985-1985 | Camden County College, Saint Joseph's |
| Matt Aronson | P | 2019-2021 | Massachusetts-Lowell, Massachusetts |
| Alex Arovits | IF | 2011-2012 | Eastern Kentucky |
| Chad Arp | 3B | 2009-2009 | North Florida, Kishwaukee College |
| Michael Arp | IF | 2006-2009 | Ohio State |
| Nathan Arp | P | 2015-2015 | Campbell |
| Chris Arpan | UT | 2017-2020 | Portland, MSU Billings |
| Tom Arpino | H | 2003-2006 | Fairfield |
| Adam Arrant | P | 2003-2003 | Louisiana-Monroe |
| Brandon Arrant | P | 2004-2004 | Louisiana-Monroe |
| James Arrante | P | 2000-2003 | Holy Cross |
| Nicholas Arre | P | 2016-2016 | Saint Peter's |
| David Arredondo | P-IF | 2005-2009 | Texas Southern |
| Jacinta Arredondo | P | 2017-2020 | Tampa, Wallace CC |
| Brenton Arriaga | P | 2014-2017 | Loyola Marymount |
| Ryan Arrick | C | 2011-2014 | Illinois, Texas of the Permian Basin |
| Anthony Arrieta | P | 2007-2008 | New Mexico State |
| Tom Arrigg | P | 2007-2010 | Holy Cross |
| Spencer Arrighetti | P | 2019-2021 | Texas Christian, Navarro College, Louisiana-Lafayette |
| Chase Arrington | IF-C | 2015-2017 | Gardner-Webb |
| Elliott Arrington | IF | 2005-2010 | UNC Asheville, Maryland-Eastern Shore |
| Jake Arrington | OF | 2011-2012 | Sam Houston State, North Central Texas College |
| Justin Arrington | IF | 2013-2016 | Baylor, Hill College |
| Coleman Arrowood | P | 2015-2015 | USC-Upstate |
| Coy Arrowood | OF | 2011-2012 | Alabama-Birmingham, Shelton State CC |
| Dustin Arrowood | 1B | 2011-2014 | Lynchburg College, Bridgewater College |
| Peter Arroyo | IF | 2004-2004 | New Mexico State, Saddleback College |
| Bobby Arruda | OF | 2002-2002 | UNLV, American River College |
| Nick Arrue | 3B-2B | 2012-2013 | Delaware State, Fordham |
| Shane Arslan | IF | 2007-2010 | UC Santa Barbara, College of San Mateo |
| Andrew Arteaga | C | 2021-2021 | Loyola Marymount, Indiana U.-Purdue U.-FW |
| Javi Arteaga | P | 2002-2005 | Harvard |
| Noe Arteaga | P | 2016-2017 | Chicago State, Danville Area CC |
| Craig Arteberry | P | 2002-2002 | Eastern Illinois |
| Jeremy Arterburn | 1B | 2006-2007 | Stephen F. Austin, San Jacinto, Angelina College |
| Nick Arthers | OF | 2006-2006 | Maine, Husson College |
| Barret Arthur | OF | 2008-2010 | Purdue |
| Daniel Arthur | C-1B | 2016-2017 | Wright State, Murray State College |
| Scott Arthur | IF | 2009-2012 | Texas A&M |
| Adrian Artidielo | OF | 2009-2009 | Fairleigh Dickinson |
| Champ Artigues | IF | 2020-2021 | Louisiana Tech, SE Louisiana |
| Jonathan Artigues | IF | 2017-2020 | Tulane |
| Kris Artis | P-UT | 2021-2021 | Norfolk State, Pitt CC |
| Marcus Artner | 1B | 2004-2007 | Indiana State |
| Phil Artonio | P | 2001-2003 | Binghamton |
| Jake Artz | OF | 2018-2021 | Saint Joseph's |
| Anthony Aruffo | P | 2007-2008 | Pennsylvania |
| Chris Arvay | SS | 2001-2004 | Toledo |
| Brice Ary | P | 2006-2008 | Baylor |
| 265 record(s) |
