Players who made their Major League debut during the selected season. Player must have appeared in a game as a hitter or a pitcher.
Batting and Pitching statistics for debuts are available since 1957.
| Jon Adkins | 2003-08-14 | boxscore | 25.355 | P | 6-1 | 205 | L | R | 1977-08-30 | Huntington,WV | MLB | 2003-2008 | 1996-2010 | 1998- 9- 255-OAK | premium | premium | premium |
| Edwin Almonte | 2003-07-07 | boxscore | 26.208 | P | 6-3 | 220 | R | R | 1976-12-17 | Santiago,DR | MLB | 2003-2003 | 1998-2009 | 1998- 26- 779-CHA | premium | premium | premium |
| Jason Anderson | 2003-03-31 | boxscore | 23.301 | P | 6-0 | 188 | L | R | 1979-06-09 | Danville,IL | MLB | 2003-2005 | 1998-2011 | 2000- 10- 308-NYA | premium | premium | premium |
| Garrett Atkins | 2003-08-03 | boxscore | 23.240 | 3B | 6-3 | 215 | R | R | 1979-12-12 | Orange,CA | MLB | 2003-2010 | 1998-2010 | 2000- 5- 137-COL | premium | premium | premium |
| Luis Ayala | 2003-03-31 | boxscore | 25.084 | P | 6-2 | 205 | R | R | 1978-01-12 | Los Mochis,MX | MLB | 2003-2013 | 2000-2018 | 2002- UDFA -MON | premium | premium | premium |
| Rocco Baldelli | 2003-03-31 | boxscore | 21.192 | CF | 6-4 | 200 | R | R | 1981-09-25 | Woonsocket,RI | MLB | 2003-2010 | 2000-2010 | 2000- 1- 6-TBA | premium | premium | premium |
| Clint Barmes | 2003-09-05 | boxscore | 24.189 | SS | 6-1 | 200 | R | R | 1979-03-06 | Vincennes,IN | MLB | 2003-2015 | 2000-2016 | 2000- 10- 287-COL | premium | premium | premium |
| Jason Bay | 2003-05-23 | boxscore | 24.251 | LF-RF | 6-2 | 210 | R | R | 1978-09-20 | Trail,BC | MLB | 2003-2013 | 1999-2013 | 2000- 22- 645-MON | premium | premium | premium |
| Matt Belisle | 2003-09-07 | boxscore | 23.098 | P | 6-3 | 230 | R | R | 1980-06-06 | Austin,TX | MLB | 2003-2018 | 1999-2018 | 1998- 2- 52-ATL | premium | premium | premium |
| Rafael Betancourt | 2003-07-13 | boxscore | 28.082 | P | 6-2 | 215 | R | R | 1975-04-29 | Cumana,VZ | MLB | 2003-2015 | 1994-2015 | 1993- UDFA -BOS | premium | premium | premium |
| Nate Bland | 2003-05-05 | boxscore | 28.136 | P | 6-5 | 210 | L | L | 1974-12-27 | Birmingham,AL | MLB | 2003-2003 | 1993-2007 | 1993- 4- 102-LAN | premium | premium | premium |
| Jeremy Bonderman | 2003-04-02 | boxscore | 20.161 | P | 6-0 | 220 | R | R | 1982-10-28 | Kennewick,WA | MLB | 2003-2013 | 2002-2013 | 2001- 1- 26-OAK | premium | premium | premium |
| Chris Bootcheck | 2003-09-09 | boxscore | 24.326 | P | 6-5 | 210 | R | R | 1978-10-24 | La Porte,IN | MLB | 2003-2013 | 1998-2014 | 2000- 1- 20-ANA | premium | premium | premium |
| Rob Bowen | 2003-09-01 | boxscore | 22.194 | C | 6-3 | 235 | B | R | 1981-02-24 | Bedford,TX | MLB | 2003-2008 | 1999-2008 | 1999- 2- 56-MIN | premium | premium | premium |
| Eric Bruntlett | 2003-06-27 | boxscore | 25.096 | SS-2B | 6-2 | 200 | R | R | 1978-03-29 | Lafayette,IN | MLB | 2003-2009 | 1997-2010 | 2000- 9- 277-HOU | premium | premium | premium |
| Mark Budzinski | 2003-08-03 | boxscore | 29.349 | CF | 6-2 | 180 | L | L | 1973-08-26 | Baltimore,MD | MLB | 2003-2003 | 1992-2005 | 1995- 21- 586-CLE | premium | premium | premium |
| Nate Bump | 2003-06-28 | boxscore | 26.345 | P | 6-2 | 195 | L | R | 1976-07-24 | Towanda,PA | MLB | 2003-2005 | 1995-2011 | 1998- 1- 25-SFN | premium | premium | premium |
| Miguel Cabrera | 2003-06-20 | boxscore | 20.068 | DH | 6-4 | 267 | R | R | 1983-04-18 | Maracay,VZ | MLB | 2003-2023 | 2000-2023 | 1999- UDFA -MIA | premium | premium | premium |
| Kiko Calero | 2003-04-02 | boxscore | 28.090 | P | 6-1 | 210 | R | R | 1975-01-09 | Santurce,PR | MLB | 2003-2009 | 1996-2010 | 1996- 27- 799-KCA | premium | premium | premium |
| Ronald Calloway | 2003-03-31 | boxscore | 26.214 | RF-LF | 6-1 | 210 | L | L | 1976-09-04 | San Jose,CA | MLB | 2003-2004 | 1997-2007 | 1997- 8- 263-ARI | premium | premium | premium |
| Chris Capuano | 2003-05-04 | boxscore | 24.264 | P | 6-2 | 225 | L | L | 1978-08-19 | Springfield,MA | MLB | 2003-2016 | 1997-2016 | 1999- 8- 238-ARI | premium | premium | premium |
| D.J. Carrasco | 2003-04-02 | boxscore | 25.361 | P | 6-4 | 215 | R | R | 1977-04-12 | Safford,AZ | MLB | 2003-2012 | 1998-2012 | 1997- 26- 795-BAL | premium | premium | premium |
| Juan Cerros | 2003-09-08 | boxscore | 26.293 | P | 6-1 | 200 | R | R | 1976-11-25 | Monterrey,MX | MLB | 2003-2003 | 1999-2014 | 1999- UDFA -NYN | premium | premium | premium |
| Jim Chamblee | 2003-08-24 | boxscore | 28.117 | 3B | 6-4 | 185 | R | R | 1975-05-06 | Denton,TX | MLB | 2003-2003 | 1995-2004 | 1995- 12- 326-BOS | premium | premium | premium |
| Travis Chapman | 2003-09-09 | boxscore | 25.102 | 3B | 6-2 | 180 | R | R | 1978-06-05 | Jacksonville,FL | MLB | 2003-2003 | 1997-2006 | 2000- 17- 505-PHI | premium | premium | premium |
| Vinnie Chulk | 2003-09-08 | boxscore | 24.269 | P | 6-2 | 200 | R | R | 1978-12-19 | Miami,FL | MLB | 2003-2012 | 2000-2012 | 2000- 12- 358-TOR | premium | premium | premium |
| Brandon Claussen | 2003-06-28 | boxscore | 24.064 | P | 6-2 | 200 | R | L | 1979-05-01 | Rapid City,SD | MLB | 2003-2006 | 1999-2007 | 1998- 34-1027-NYA | premium | premium | premium |
| Steve Colyer | 2003-04-03 | boxscore | 24.046 | P | 6-4 | 235 | L | L | 1979-02-22 | St. Louis,MO | MLB | 2003-2007 | 1998-2007 | 1997- 2- 83-LAN | premium | premium | premium |
| Jose Contreras | 2003-03-31 | boxscore | 31.123 | P | 6-4 | 255 | R | R | 1971-12-06 | Las Martinas,CU | MLB | 2003-2013 | 2003-2016 | 2003- UDFA -NYA | premium | premium | premium |
| Roy Corcoran | 2003-07-30 | boxscore | 23.085 | P | 5-10 | 190 | R | R | 1980-05-11 | Baton Rouge,LA | MLB | 2003-2009 | 2001-2015 | 2001- UDFA -MON | premium | premium | premium |
| Chad Cordero | 2003-08-30 | boxscore | 21.170 | P | 6-0 | 220 | R | R | 1982-03-18 | Upland,CA | MLB | 2003-2010 | 2001-2013 | 2003- 1- 20-MON | premium | premium | premium |
| Kevin Correia | 2003-07-10 | boxscore | 22.325 | P | 6-3 | 200 | R | R | 1980-08-24 | San Diego,CA | MLB | 2003-2015 | 2000-2015 | 2002- 4- 127-SFN | premium | premium | premium |
| Neal Cotts | 2003-08-12 | boxscore | 23.145 | P | 6-2 | 200 | L | L | 1980-03-25 | Lebanon,IL | MLB | 2003-2015 | 1999-2017 | 2001- 2- 69-OAK | premium | premium | premium |
| Bobby Crosby | 2003-09-02 | boxscore | 23.239 | SS | 6-3 | 210 | R | R | 1980-01-12 | Lakewood,CA | MLB | 2003-2010 | 1999-2010 | 2001- 1- 25-OAK | premium | premium | premium |
| Bubba Crosby | 2003-05-29 | boxscore | 26.297 | RF-LF | 5-11 | 195 | L | L | 1976-08-11 | Bellaire,TX | MLB | 2003-2006 | 1997-2007 | 1998- 1- 23-LAN | premium | premium | premium |
| Enrique Cruz | 2003-04-02 | boxscore | 21.137 | SS-2B | 6-1 | 205 | R | R | 1981-11-21 | Santo Domingo,DR | MLB | 2003-2007 | 1999-2012 | 1998- UDFA -NYN | premium | premium | premium |
| Jorge De Paula | 2003-09-05 | boxscore | 24.305 | P | 6-1 | 210 | R | R | 1978-11-10 | Sabana Grande de Palenque,DR | MLB | 2003-2005 | 1998-2012 | 1997- UDFA -COL | premium | premium | premium |
| Roger Deago | 2003-05-10 | boxscore | 25.329 | P | 5-10 | 180 | R | L | 1977-06-21 | Monagrillo,PN | MLB | 2003-2003 | 2003-2008 | 2002- UDFA -SDN | premium | premium | premium |
| David DeJesus | 2003-09-02 | boxscore | 23.262 | CF | 5-11 | 190 | L | L | 1979-12-20 | Brooklyn,NY | MLB | 2003-2015 | 1998-2015 | 2000- 4- 104-KCA | premium | premium | premium |
| Joe DePastino | 2003-08-05 | boxscore | 29.342 | C | 6-2 | 210 | R | R | 1973-09-04 | Philadelphia,PA | MLB | 2003-2003 | 1992-2005 | 1992- 7- 198-BOS | premium | premium | premium |
| Matt Diaz | 2003-07-19 | boxscore | 25.144 | LF-OF | 6-0 | 215 | R | R | 1978-03-03 | Portland,OR | MLB | 2003-2013 | 1998-2013 | 1999- 17- 505-TBA | premium | premium | premium |
| Juan Dominguez | 2003-08-12 | boxscore | 23.091 | P | 6-1 | 220 | R | R | 1980-05-18 | Sanchez Ramirez,DR | MLB | 2003-2005 | 2003-2007 | 1999- UDFA -TEX | premium | premium | premium |
| Jeff Duncan | 2003-05-20 | boxscore | 24.168 | CF | 6-2 | 190 | L | L | 1978-12-09 | Harvey,IL | MLB | 2003-2004 | 1998-2008 | 2000- 7- 215-NYN | premium | premium | premium |
| Mike Edwards | 2003-09-20 | boxscore | 26.306 | LF | 6-1 | 200 | R | R | 1976-11-24 | Goshen,NY | MLB | 2003-2006 | 1995-2007 | 1995- 9- 250-CLE | premium | premium | premium |
| Jason Ellison | 2003-05-09 | boxscore | 25.041 | CF-LF | 5-10 | 180 | R | R | 1978-04-04 | Quincy,CA | MLB | 2003-2008 | 2000-2009 | 2000- 22- 661-SFN | premium | premium | premium |
| Anthony Ferrari | 2003-06-07 | boxscore | 24.356 | P | 5-9 | 165 | L | L | 1978-06-22 | San Francisco,CA | MLB | 2003-2003 | 2000-2007 | 2000- 44-1300-MON | premium | premium | premium |
| Jesse Foppert | 2003-04-14 | boxscore | 22.283 | P | 6-6 | 220 | R | R | 1980-07-10 | Reading,PA | MLB | 2003-2005 | 1999-2009 | 2001- 2- 74-SFN | premium | premium | premium |
| Lew Ford | 2003-05-29 | boxscore | 26.296 | OF | 5-11 | 190 | R | R | 1976-08-12 | Port Neches,TX | MLB | 2003-2012 | 1999-2023 | 1999- 12- 379-BOS | premium | premium | premium |
| Matt Ford | 2003-04-02 | boxscore | 21.364 | P | 6-1 | 190 | B | L | 1981-04-08 | Plantation,FL | MLB | 2003-2003 | 1999-2008 | 1999- 3- 103-TOR | premium | premium | premium |
| Mike Gallo | 2003-07-02 | boxscore | 26.097 | P | 6-0 | 175 | L | L | 1977-04-02 | Long Beach,CA | MLB | 2003-2006 | 1997-2010 | 1999- 5- 173-HOU | premium | premium | premium |
| Danny Garcia | 2003-09-02 | boxscore | 23.148 | 2B | 6-1 | 175 | R | R | 1980-04-12 | Riverside,CA | MLB | 2003-2004 | 1999-2007 | 2001- 5- 162-NYN | premium | premium | premium |
| Rosman Garcia | 2003-04-19 | boxscore | 24.112 | P | 6-2 | 215 | R | R | 1979-01-03 | Maracay,VZ | MLB | 2003-2004 | 1998-2011 | 1996- UDFA -NYA | premium | premium | premium |
| Chad Gaudin | 2003-08-01 | boxscore | 20.135 | P | 5-10 | 190 | R | R | 1983-03-24 | New Orleans,LA | MLB | 2003-2013 | 2002-2019 | 2001- 34-1009-TBA | premium | premium | premium |
| Geoff Geary | 2003-08-27 | boxscore | 27.007 | P | 6-0 | 180 | R | R | 1976-08-26 | Buffalo,NY | MLB | 2003-2009 | 1997-2011 | 1998- 15- 434-PHI | premium | premium | premium |
| Jody Gerut | 2003-04-26 | boxscore | 25.226 | RF-LF | 6-0 | 190 | L | L | 1977-09-18 | Elmhurst,IL | MLB | 2003-2010 | 1996-2010 | 1998- 2- 71-COL | premium | premium | premium |
| Jason Gilfillan | 2003-05-16 | boxscore | 26.264 | P | 6-5 | 220 | R | R | 1976-08-31 | Shelby,NC | MLB | 2003-2003 | 1997-2004 | 1997- 12- 361-KCA | premium | premium | premium |
| Mike Glavine | 2003-09-14 | boxscore | 30.240 | 1B | 6-3 | 210 | L | L | 1973-01-24 | Concord,MA | MLB | 2003-2003 | 1992-2004 | 1995- 22- 614-CLE | premium | premium | premium |
| Jimmy Gobble | 2003-08-03 | boxscore | 22.020 | P | 6-3 | 210 | L | L | 1981-07-19 | Bristol,TN | MLB | 2003-2009 | 1999-2010 | 1999- 1- 43-KCA | premium | premium | premium |
| Jonny Gomes | 2003-09-12 | boxscore | 22.299 | LF | 6-1 | 230 | R | R | 1980-11-22 | Petaluma,CA | MLB | 2003-2015 | 2001-2016 | 2001- 18- 529-TBA | premium | premium | premium |
| Edgar Gonzalez | 2003-06-01 | boxscore | 20.103 | P | 6-2 | 210 | R | R | 1983-02-23 | Nuevo Leon,MX | MLB | 2003-2013 | 2002-2023 | 2000- UDFA -ARI | premium | premium | premium |
| Michael Gonzalez | 2003-08-11 | boxscore | 25.086 | P | 6-2 | 200 | R | L | 1978-05-23 | Robstown,TX | MLB | 2003-2013 | 1997-2016 | 1997- 30- 902-PIT | premium | premium | premium |
| Andrew Good | 2003-04-18 | boxscore | 23.217 | P | 6-1 | 210 | R | R | 1979-09-19 | San Diego,CA | MLB | 2003-2005 | 1998-2007 | 1998- 8- 253-ARI | premium | premium | premium |
| John Grabow | 2003-09-14 | boxscore | 24.320 | P | 6-1 | 205 | L | L | 1978-11-04 | Arcadia,CA | MLB | 2003-2011 | 1997-2011 | 1997- 3- 92-PIT | premium | premium | premium |
| Khalil Greene | 2003-09-03 | boxscore | 23.323 | SS | 5-11 | 185 | R | R | 1979-10-21 | Butler,PA | MLB | 2003-2009 | 1999-2009 | 2002- 1- 13-SDN | premium | premium | premium |
| Kevin Gregg | 2003-08-09 | boxscore | 25.056 | P | 6-6 | 245 | R | R | 1978-06-20 | Corvallis,OR | MLB | 2003-2015 | 1996-2015 | 1996- 15- 435-OAK | premium | premium | premium |
| Tom Gregorio | 2003-09-05 | boxscore | 26.129 | C | 6-2 | 215 | R | R | 1977-05-05 | Brooklyn,NY | MLB | 2003-2003 | 1996-2006 | 1999- 27- 821-ANA | premium | premium | premium |
| Jeremy Griffiths | 2003-06-05 | boxscore | 25.081 | P | 6-6 | 235 | R | R | 1978-03-22 | Fairview,OH | MLB | 2003-2004 | 1997-2005 | 1999- 3- 106-NYN | premium | premium | premium |
| Josh Hall | 2003-08-02 | boxscore | 22.234 | P | 6-2 | 190 | R | R | 1980-12-16 | Lynchburg,VA | MLB | 2003-2003 | 1998-2010 | 1998- 7- 200-CIN | premium | premium | premium |
| Robby Hammock | 2003-04-11 | boxscore | 25.339 | C-3B | 5-10 | 185 | R | R | 1977-05-13 | Macon,GA | MLB | 2003-2011 | 1998-2011 | 1998- 23- 703-ARI | premium | premium | premium |
| Rich Harden | 2003-07-21 | boxscore | 21.238 | P | 6-1 | 190 | L | R | 1981-11-30 | Victoria,BC | MLB | 2003-2011 | 2001-2011 | 2000- 17- 510-OAK | premium | premium | premium |
| Dan Haren | 2003-06-30 | boxscore | 22.291 | P | 6-5 | 215 | R | R | 1980-09-17 | Monterey Park,CA | MLB | 2003-2015 | 1999-2015 | 2001- 2- 72-SLN | premium | premium | premium |
| Bo Hart | 2003-06-19 | boxscore | 26.271 | 2B | 5-11 | 175 | R | R | 1976-09-27 | Creswell,OR | MLB | 2003-2004 | 1998-2008 | 1999- 33-1002-SLN | premium | premium | premium |
| Bryan Hebson | 2003-07-06 | boxscore | 27.122 | P | 6-5 | 210 | R | R | 1976-03-12 | Columbus,GA | MLB | 2003-2003 | 1995-2004 | 1997- 1- 44-MON | premium | premium | premium |
| Aaron Heilman | 2003-06-26 | boxscore | 24.232 | P | 6-5 | 230 | R | R | 1978-11-12 | Logansport,IN | MLB | 2003-2011 | 1998-2012 | 2001- 1- 18-NYN | premium | premium | premium |
| Michel Hernandez | 2003-09-06 | boxscore | 25.031 | C | 6-0 | 215 | R | R | 1978-08-12 | Havana,CU | MLB | 2003-2009 | 1998-2012 | 1998- UDFA -NYA | premium | premium | premium |
| Mike Hessman | 2003-08-22 | boxscore | 25.176 | 1B | 6-5 | 215 | R | R | 1978-03-05 | Fountain Valley,CA | MLB | 2003-2010 | 1996-2015 | 1996- 15- 452-ATL | premium | premium | premium |
| Koyie Hill | 2003-09-05 | boxscore | 24.186 | C | 6-1 | 205 | B | R | 1979-03-09 | Tulsa,OK | MLB | 2003-2014 | 1998-2014 | 2000- 4- 117-LAN | premium | premium | premium |
| J.R. House | 2003-09-27 | boxscore | 23.326 | C | 6-0 | 215 | R | R | 1979-11-11 | Charleston,WV | MLB | 2003-2008 | 1999-2011 | 1999- 5- 152-PIT | premium | premium | premium |
| Tim Hummel | 2003-08-26 | boxscore | 24.287 | 3B-1B | 6-2 | 205 | R | R | 1978-11-18 | Goshen,NY | MLB | 2003-2004 | 1998-2006 | 2000- 2- 52-CHA | premium | premium | premium |
| Edwin Jackson | 2003-09-09 | boxscore | 20.005 | P | 6-2 | 215 | R | R | 1983-09-09 | Neu-Ulm,GE | MLB | 2003-2019 | 2001-2021 | 2001- 6- 190-LAN | premium | premium | premium |
| Gary Johnson | 2003-04-26 | boxscore | 27.186 | OF | 6-3 | 210 | L | L | 1975-10-29 | Palo Alto,CA | MLB | 2003-2003 | 1999-2004 | 1999- 19- 581-ANA | premium | premium | premium |
| Reed Johnson | 2003-04-17 | boxscore | 26.136 | RF-CF | 5-10 | 185 | R | R | 1976-12-08 | Riverside,CA | MLB | 2003-2015 | 1997-2015 | 1999- 17- 523-TOR | premium | premium | premium |
| Rontrez Johnson | 2003-03-31 | boxscore | 26.119 | OF | 5-9 | 180 | R | R | 1976-12-08 | Marshall,TX | MLB | 2003-2003 | 1995-2008 | 1995- 16- 438-BOS | premium | premium | premium |
| Greg Jones | 2003-07-30 | boxscore | 26.263 | P | 6-2 | 205 | R | R | 1976-11-15 | Clearwater,FL | MLB | 2003-2007 | 1997-2008 | 1996- 42-1253-CAL | premium | premium | premium |
| Jason Jones | 2003-07-23 | boxscore | 26.285 | LF-RF | 6-3 | 210 | B | R | 1976-10-17 | Marietta,GA | MLB | 2003-2003 | 1999-2004 | 1999- 13- 405-TEX | premium | premium | premium |
| Jimmy Journell | 2003-06-29 | boxscore | 25.188 | P | 6-4 | 225 | R | R | 1977-12-29 | Springfield,OH | MLB | 2003-2005 | 1997-2006 | 1999- 4- 132-SLN | premium | premium | premium |
| Matt Kata | 2003-06-15 | boxscore | 25.099 | 3B | 6-1 | 185 | B | R | 1978-03-14 | Fairview Park,OH | MLB | 2003-2009 | 1997-2012 | 1999- 9- 268-ARI | premium | premium | premium |
| David Kelton | 2003-06-08 | boxscore | 23.179 | LF-RF | 6-3 | 195 | R | R | 1979-12-17 | Dothan,AL | MLB | 2003-2004 | 1998-2006 | 1998- 2- 46-CHN | premium | premium | premium |
| Graham Koonce | 2003-09-20 | boxscore | 28.135 | 1B | 6-4 | 230 | L | L | 1975-05-15 | El Cajon,CA | MLB | 2003-2003 | 1994-2007 | 1993- 60-1561-DET | premium | premium | premium |
| Pete Laforest | 2003-09-02 | boxscore | 25.224 | C | 6-2 | 210 | L | R | 1978-01-27 | Hull,QC | MLB | 2003-2007 | 1995-2013 | 1995- 16- 451-MON | premium | premium | premium |
| Gerald Laird | 2003-04-30 | boxscore | 23.174 | C | 6-1 | 230 | R | R | 1979-11-13 | Garden Grove,CA | MLB | 2003-2015 | 1999-2016 | 1998- 2- 45-OAK | premium | premium | premium |
| Wilfredo Ledezma | 2003-04-02 | boxscore | 22.076 | P | 6-4 | 225 | L | L | 1981-01-21 | Guarico,VZ | MLB | 2003-2011 | 1999-2021 | 1998- UDFA -BOS | premium | premium | premium |
| Todd Linden | 2003-08-18 | boxscore | 23.054 | 1B-OF | 6-2 | 225 | B | R | 1980-06-30 | Edmonds,WA | MLB | 2003-2007 | 1999-2013 | 2001- 1- 41-SFN | premium | premium | premium |
| Aaron Looper | 2003-08-02 | boxscore | 26.335 | P | 6-2 | 210 | R | R | 1976-09-07 | Ada,OK | MLB | 2003-2003 | 1996-2007 | 1997- 30- 913-SEA | premium | premium | premium |
| Aquilino Lopez | 2003-04-02 | boxscore | 27.353 | P | 6-3 | 185 | R | R | 1975-04-21 | Villa Altragracia,DR | MLB | 2003-2008 | 1999-2008 | 1997- UDFA -SEA | premium | premium | premium |
| Javier Lopez | 2003-04-01 | boxscore | 25.270 | P | 6-4 | 220 | L | L | 1977-07-11 | San Juan,PR | MLB | 2003-2016 | 1996-2016 | 1998- 4- 133-ARI | premium | premium | premium |
| Noah Lowry | 2003-09-05 | boxscore | 22.335 | P | 6-2 | 210 | R | L | 1980-10-10 | Ventura,CA | MLB | 2003-2007 | 2000-2007 | 2001- 1- 30-SFN | premium | premium | premium |
| Anderson Machado | 2003-09-27 | boxscore | 22.250 | SS | 6-0 | 189 | B | R | 1981-01-25 | Caracas,VZ | MLB | 2004-2005 | 1999-2011 | 1998- UDFA -PHI | premium | premium | premium |
| Ryan Madson | 2003-09-27 | boxscore | 23.035 | P | 6-6 | 234 | L | R | 1980-08-28 | Long Beach,CA | MLB | 2003-2018 | 1998-2018 | 1998- 9- 254-PHI | premium | premium | premium |
| Mark Malaska | 2003-07-17 | boxscore | 25.187 | P | 6-3 | 210 | L | L | 1978-01-17 | Youngstown,OH | MLB | 2003-2004 | 1998-2005 | 2000- 8- 226-TBA | premium | premium | premium |
| David Manning | 2003-08-02 | boxscore | 30.360 | P | 6-3 | 227 | R | R | 1972-08-14 | Buffalo,NY | MLB | 2003-2003 | 1992-2007 | 1992- 3- 90-TEX | premium | premium | premium |
| Julio Manon | 2003-06-05 | boxscore | 29.002 | P | 6-0 | 200 | R | R | 1973-06-10 | Guerra Districto,DR | MLB | 2003-2006 | 1993-2011 | 1992- UDFA -SLN | premium | premium | premium |
| Luis Martinez | 2003-09-03 | boxscore | 23.232 | P | 6-6 | 225 | L | L | 1980-01-20 | Santo Domingo,DR | MLB | 2003-2003 | 1998-2010 | 1996- UDFA -MIL | premium | premium | premium |
| David Matranga | 2003-06-27 | boxscore | 26.176 | 2B | 6-0 | 185 | R | R | 1977-01-08 | Orange,CA | MLB | 2003-2005 | 1998-2009 | 1998- 6- 182-HOU | premium | premium | premium |
| Hideki Matsui | 2003-03-31 | boxscore | 28.299 | LF-DH | 6-2 | 210 | L | R | 1974-06-12 | Kanazawa,JP | MLB | 2003-2012 | 1993-2012 | 2002- UDFA -NYA | premium | premium | premium |
| Seth McClung | 2003-03-31 | boxscore | 22.057 | P | 6-6 | 280 | L | R | 1981-02-07 | Roncevert,WV | MLB | 2003-2009 | 1999-2013 | 1999- 5- 145-TBA | premium | premium | premium |
| Chris Mears | 2003-06-29 | boxscore | 25.166 | P | 6-4 | 190 | R | R | 1978-01-20 | Ottawa,ON | MLB | 2003-2003 | 1996-2005 | 1996- 5- 147-SEA | premium | premium | premium |
| Carlos Mendez | 2003-05-22 | boxscore | 28.345 | 1B | 6-0 | 225 | R | R | 1974-06-18 | Caracas,VZ | MLB | 2003-2003 | 1992-2007 | 1991- UDFA -KCA | premium | premium | premium |
| Aaron Miles | 2003-09-11 | boxscore | 26.276 | 2B | 5-8 | 180 | B | R | 1976-12-15 | Pittsburg,CA | MLB | 2003-2011 | 1995-2016 | 1995- 19- 529-HOU | premium | premium | premium |
| Matt Miller | 2003-06-27 | boxscore | 31.224 | P | 6-3 | 215 | R | R | 1971-11-23 | Greenwood,MS | MLB | 2003-2007 | 1996-2008 | 1997- UDFA -TEX | premium | premium | premium |
| Sergio Mitre | 2003-07-22 | boxscore | 22.161 | P | 6-3 | 225 | R | R | 1981-02-16 | Los Angeles,CA | MLB | 2003-2011 | 2001-2019 | 2001- 7- 198-CHN | premium | premium | premium |
| Jose Morban | 2003-04-06 | boxscore | 23.192 | SS-2B | 6-1 | 170 | B | R | 1979-10-02 | San Cristobal,DR | MLB | 2003-2003 | 1999-2009 | 1996- UDFA -TEX | premium | premium | premium |
| Justin Morneau | 2003-06-10 | boxscore | 22.031 | 1B | 6-4 | 220 | L | R | 1981-05-15 | New Westminster,BC | MLB | 2003-2016 | 1999-2016 | 1999- 3- 89-MIN | premium | premium | premium |
| Tony Mounce | 2003-06-13 | boxscore | 28.132 | P | 6-2 | 170 | L | L | 1975-02-08 | Sacramento,CA | MLB | 2003-2003 | 1994-2006 | 1994- 7- 192-HOU | premium | premium | premium |
| Micheal Nakamura | 2003-06-07 | boxscore | 26.280 | P | 5-10 | 170 | R | R | 1976-09-06 | Nara,JP | MLB | 2003-2004 | 1995-2012 | 1997- UDFA -MIN | premium | premium | premium |
| Mike Neu | 2003-04-09 | boxscore | 25.037 | P | 5-10 | 175 | B | R | 1978-03-09 | Napa,CA | MLB | 2003-2004 | 1999-2005 | 1999- 29- 878-CIN | premium | premium | premium |
| Lance Niekro | 2003-09-05 | boxscore | 24.225 | 1B | 6-3 | 225 | R | R | 1979-01-29 | Winter Haven,FL | MLB | 2003-2007 | 1999-2009 | 2000- 2- 61-SFN | premium | premium | premium |
| Ramon Nivar | 2003-07-30 | boxscore | 23.164 | IF | 5-10 | 185 | R | R | 1980-02-22 | San Cristobal,DR | MLB | 2003-2005 | 2000-2011 | 1998- UDFA -TEX | premium | premium | premium |
| Laynce Nix | 2003-07-10 | boxscore | 22.258 | RF | 6-1 | 220 | L | L | 1980-10-30 | Houston,TX | MLB | 2003-2013 | 2000-2013 | 2000- 4- 124-TEX | premium | premium | premium |
| Kevin Ohme | 2003-04-14 | boxscore | 32.009 | P | 6-1 | 185 | L | L | 1971-04-13 | West Palm Beach,FL | MLB | 2003-2003 | 1993-2003 | 1993- 9- 261-MIN | premium | premium | premium |
| Miguel Ojeda | 2003-05-17 | boxscore | 28.115 | C | 6-1 | 230 | R | R | 1975-01-29 | Guaymas,MX | MLB | 2003-2006 | 1993-2012 | 1993- UDFA -PIT | premium | premium | premium |
| Ray Olmedo | 2003-05-25 | boxscore | 21.364 | 3B-SS | 5-11 | 165 | B | R | 1981-05-31 | Maracay,VZ | MLB | 2003-2012 | 1999-2014 | 1999- UDFA -CIN | premium | premium | premium |
| Jhonny Peralta | 2003-06-12 | boxscore | 21.020 | SS | 6-2 | 225 | R | R | 1982-05-28 | Santiago,DR | MLB | 2003-2017 | 2000-2017 | 1999- UDFA -CLE | premium | premium | premium |
| Antonio Perez | 2003-05-14 | boxscore | 23.114 | SS-3B | 5-9 | 190 | R | R | 1980-01-26 | Bani,DR | MLB | 2003-2006 | 1999-2009 | 1998- UDFA -CIN | premium | premium | premium |
| Tommy Phelps | 2003-03-31 | boxscore | 29.034 | P | 6-2 | 205 | L | L | 1974-03-04 | Seoul,KR | MLB | 2003-2005 | 1993-2006 | 1992- 8- 211-MON | premium | premium | premium |
| Colin Porter | 2003-05-30 | boxscore | 27.195 | RF-CF | 6-2 | 210 | L | L | 1975-11-23 | Tucson,AZ | MLB | 2003-2004 | 1995-2005 | 1998- 17- 512-HOU | premium | premium | premium |
| Alex Prieto | 2003-07-26 | boxscore | 27.043 | 2B-3B | 5-11 | 205 | R | R | 1976-06-19 | Caracas,VZ | MLB | 2003-2004 | 1993-2010 | 1992- UDFA -KCA | premium | premium | premium |
| J.J. Putz | 2003-08-11 | boxscore | 26.176 | P | 6-5 | 250 | R | R | 1977-02-22 | Trenton,MI | MLB | 2003-2014 | 1996-2014 | 1999- 6- 185-SEA | premium | premium | premium |
| Robb Quinlan | 2003-07-28 | boxscore | 26.139 | 1B-3B | 6-1 | 210 | R | R | 1977-03-17 | St. Paul,MN | MLB | 2003-2010 | 1996-2010 | 1999- 10- 311-ANA | premium | premium | premium |
| Humberto Quintero | 2003-09-03 | boxscore | 24.038 | C | 5-10 | 215 | R | R | 1979-08-02 | Maracaibo,VZ | MLB | 2003-2014 | 1999-2016 | 1997- UDFA -CHA | premium | premium | premium |
| Erasmo Ramirez | 2003-04-30 | boxscore | 27.007 | P | 6-0 | 190 | L | L | 1976-04-29 | Santa Ana,CA | MLB | 2003-2007 | 1996-2008 | 1998- 11- 338-SFN | premium | premium | premium |
| Horacio Ramirez | 2003-04-02 | boxscore | 23.135 | P | 6-1 | 220 | L | L | 1979-11-24 | Carson,CA | MLB | 2003-2011 | 1997-2021 | 1997- 5- 172-ATL | premium | premium | premium |
| Mario Ramos | 2003-06-19 | boxscore | 25.249 | P | 5-11 | 180 | L | L | 1977-10-19 | Aurora,IL | MLB | 2003-2003 | 1997-2007 | 1999- 6- 183-OAK | premium | premium | premium |
| Scott Randall | 2003-08-26 | boxscore | 27.308 | P | 6-3 | 225 | R | R | 1975-10-29 | Fullerton,CA | MLB | 2003-2003 | 1995-2005 | 1995- 11- 291-COL | premium | premium | premium |
| Stephen Randolph | 2003-03-31 | boxscore | 28.341 | P | 6-3 | 210 | L | L | 1974-05-01 | Okinawa,JP | MLB | 2003-2007 | 1995-2010 | 1995- 18- 506-NYA | premium | premium | premium |
| Prentice Redman | 2003-08-24 | boxscore | 24.007 | CF-RF | 6-3 | 185 | R | R | 1979-08-23 | Tuscaloosa,AL | MLB | 2003-2003 | 1999-2014 | 1999- 10- 316-NYN | premium | premium | premium |
| Jose Reyes | 2003-06-10 | boxscore | 19.004 | SS | 6-0 | 195 | B | R | 1983-06-11 | Santiago,DR | MLB | 2003-2018 | 2000-2018 | 1999- UDFA -NYN | premium | premium | premium |
| Rene Reyes | 2003-07-22 | boxscore | 25.157 | RF-CF | 5-11 | 175 | B | R | 1978-02-21 | Margarita,VZ | MLB | 2003-2004 | 1998-2017 | 1996- UDFA -COL | premium | premium | premium |
| Carlos Rivera | 2003-06-22 | boxscore | 25.018 | 1B | 5-11 | 230 | L | L | 1978-06-10 | Fajardo,PR | MLB | 2003-2004 | 1996-2015 | 2000- 13- 385-PHI | premium | premium | premium |
| Jason Roach | 2003-06-14 | boxscore | 27.061 | P | 6-4 | 205 | R | R | 1976-04-20 | Kinston,NC | MLB | 2003-2003 | 1996-2007 | 1997- 20- 600-NYN | premium | premium | premium |
| Matt Roney | 2003-04-02 | boxscore | 23.088 | P | 6-3 | 245 | R | R | 1980-01-10 | Tulsa,OK | MLB | 2003-2006 | 1998-2007 | 1998- 1- 28-COL | premium | premium | premium |
| Rodrigo Rosario | 2003-06-21 | boxscore | 25.115 | P | 6-2 | 170 | R | R | 1978-03-04 | San Pedro De Macoris,DR | MLB | 2003-2003 | 1998-2003 | 1996- UDFA -HOU | premium | premium | premium |
| Cody Ross | 2003-07-04 | boxscore | 22.198 | LF-RF | 5-11 | 195 | R | L | 1980-12-23 | Portales,NM | MLB | 2003-2015 | 1999-2015 | 1999- 4- 117-DET | premium | premium | premium |
| Felix Sanchez | 2003-09-03 | boxscore | 22.036 | RF-LF | 6-3 | 195 | R | L | 1981-08-03 | Puerto Plata,DR | MLB | 2003-2003 | 2001-2005 | 1998- UDFA -CHN | premium | premium | premium |
| David Sanders | 2003-04-23 | boxscore | 23.243 | P | 6-0 | 200 | L | L | 1979-08-29 | Oklahoma City,OK | MLB | 2003-2005 | 1999-2005 | 2000- 43-1276-SDN | premium | premium | premium |
| Francisco Santos | 2003-06-18 | boxscore | 29.108 | RF-1B | 6-1 | 170 | L | L | 1974-03-09 | Santo Domingo,DR | MLB | 2003-2003 | 2000-2005 | 1997- UDFA -SFN | premium | premium | premium |
| Dane Sardinha | 2003-09-06 | boxscore | 24.157 | C | 6-0 | 215 | R | R | 1979-04-08 | Honolulu,HI | MLB | 2003-2011 | 1998-2011 | 2000- 2- 46-CIN | premium | premium | premium |
| Brian Schmack | 2003-08-24 | boxscore | 29.267 | P | 6-2 | 200 | R | R | 1973-12-07 | Chicago,IL | MLB | 2003-2003 | 1992-2004 | 1996- UDFA -CHA | premium | premium | premium |
| Stephen Smitherman | 2003-07-01 | boxscore | 24.309 | LF | 6-4 | 235 | R | R | 1978-09-01 | McAlester,OK | MLB | 2003-2003 | 1999-2006 | 2000- 23- 693-CIN | premium | premium | premium |
| Kyle Snyder | 2003-05-01 | boxscore | 25.240 | P | 6-8 | 230 | B | R | 1977-09-09 | Houston,TX | MLB | 2003-2008 | 1997-2011 | 1999- 1- 7-KCA | premium | premium | premium |
| Zach Sorensen | 2003-06-03 | boxscore | 26.157 | 2B-SS | 6-0 | 190 | B | R | 1977-01-03 | Salt Lake City,UT | MLB | 2003-2005 | 1996-2007 | 1998- 2- 63-CLE | premium | premium | premium |
| Chris Spurling | 2003-04-02 | boxscore | 25.284 | P | 6-6 | 240 | R | R | 1977-06-28 | Dayton,OH | MLB | 2003-2007 | 1998-2010 | 1997- 41-1246-NYA | premium | premium | premium |
| Jason Stanford | 2003-07-06 | boxscore | 26.170 | P | 6-1 | 210 | L | L | 1977-01-23 | Tucson,AZ | MLB | 2003-2007 | 1998-2008 | 1999- UDFA -CLE | premium | premium | premium |
| Dernell Stenson | 2003-08-13 | boxscore | 25.063 | LF-RF | 6-1 | 230 | L | L | 1978-06-17 | LaGrange,GA | MLB | 2003-2003 | 1996-2003 | 1996- 3- 91-BOS | premium | premium | premium |
| Josh Stewart | 2003-04-06 | boxscore | 24.128 | P | 6-3 | 205 | L | L | 1978-12-05 | Paducah,KY | MLB | 2003-2004 | 1997-2006 | 1999- 5- 159-CHA | premium | premium | premium |
| Jamal Strong | 2003-09-02 | boxscore | 25.034 | CF | 5-10 | 185 | R | R | 1978-08-05 | Pasadena,CA | MLB | 2003-2005 | 1999-2008 | 2000- 6- 176-SEA | premium | premium | premium |
| Brian Sweeney | 2003-08-16 | boxscore | 29.071 | P | 6-2 | 200 | R | R | 1974-06-13 | Yonkers,NY | MLB | 2003-2010 | 1996-2013 | 1996- UDFA -SEA | premium | premium | premium |
| Jon Switzer | 2003-08-02 | boxscore | 23.360 | P | 6-3 | 210 | L | L | 1979-08-13 | Bowling Green,KY | MLB | 2003-2009 | 1999-2009 | 2001- 2- 47-TBA | premium | premium | premium |
| Mark Teixeira | 2003-04-01 | boxscore | 22.360 | 1B | 6-3 | 225 | B | R | 1980-04-11 | Annapolis,MD | MLB | 2003-2016 | 1999-2016 | 2001- 1- 5-TEX | premium | premium | premium |
| Luis Terrero | 2003-07-10 | boxscore | 23.058 | CF | 6-3 | 205 | R | R | 1980-05-18 | Barahona,DR | MLB | 2003-2007 | 1999-2016 | 1997- UDFA -ARI | premium | premium | premium |
| Billy Traber | 2003-04-04 | boxscore | 23.204 | P | 6-5 | 205 | L | L | 1979-09-18 | Torrance,CA | MLB | 2003-2009 | 1998-2010 | 2000- 1- 16-NYN | premium | premium | premium |
| Chin-hui Tsao | 2003-07-25 | boxscore | 22.058 | P | 6-1 | 210 | R | R | 1981-06-02 | Hua-Lien,TW | MLB | 2003-2016 | 2000-2017 | 1999- UDFA -COL | premium | premium | premium |
| Chase Utley | 2003-04-04 | boxscore | 24.114 | 2B | 6-1 | 195 | L | R | 1978-12-17 | Pasadena,CA | MLB | 2003-2018 | 1998-2018 | 2000- 1- 15-PHI | premium | premium | premium |
| Carlos Valderrama | 2003-06-21 | boxscore | 25.209 | LF-CF | 5-11 | 195 | R | R | 1977-11-30 | Lagunillas,VZ | MLB | 2003-2003 | 1997-2005 | 1995- UDFA -SFN | premium | premium | premium |
| Joe Valentine | 2003-08-24 | boxscore | 23.249 | P | 6-2 | 210 | R | R | 1979-12-24 | Las Vegas,NV | MLB | 2003-2005 | 1999-2010 | 1999- 26- 789-CHA | premium | premium | premium |
| Jose Valverde | 2003-06-01 | boxscore | 25.075 | P | 6-4 | 265 | R | R | 1978-03-24 | San Pedro de Macoris,DR | MLB | 2003-2014 | 1999-2019 | 1997- UDFA -ARI | premium | premium | premium |
| Claudio Vargas | 2003-04-26 | boxscore | 24.317 | P | 6-4 | 235 | R | R | 1978-06-19 | Valverde Mao,DR | MLB | 2003-2010 | 1998-2014 | 1995- UDFA -MIA | premium | premium | premium |
| Shane Victorino | 2003-04-02 | boxscore | 22.128 | RF | 5-9 | 190 | B | R | 1980-11-30 | Wailuku,HI | MLB | 2003-2015 | 1999-2016 | 1999- 6- 194-LAN | premium | premium | premium |
| Oscar Villarreal | 2003-03-31 | boxscore | 21.134 | P | 6-0 | 195 | L | R | 1981-11-22 | Monterrey,MX | MLB | 2003-2008 | 1999-2017 | 1998- UDFA -ARI | premium | premium | premium |
| Doug Waechter | 2003-08-27 | boxscore | 22.216 | P | 6-4 | 225 | R | R | 1981-01-28 | St. Petersburg,FL | MLB | 2003-2009 | 1999-2009 | 1999- 3- 85-TBA | premium | premium | premium |
| Ryan Wagner | 2003-07-19 | boxscore | 21.009 | P | 6-2 | 210 | R | R | 1982-07-15 | Yoakum,TX | MLB | 2003-2007 | 2002-2009 | 2003- 1- 14-CIN | premium | premium | premium |
| Les Walrond | 2003-06-08 | boxscore | 26.219 | P | 6-3 | 205 | L | L | 1976-11-07 | Muskogee,OK | MLB | 2003-2008 | 1996-2012 | 1998- 13- 378-SLN | premium | premium | premium |
| Matt Watson | 2003-09-12 | boxscore | 25.013 | LF | 5-11 | 205 | L | R | 1978-09-05 | Lancaster,PA | MLB | 2003-2010 | 1998-2011 | 1999- 16- 480-MON | premium | premium | premium |
| Brandon Webb | 2003-04-22 | boxscore | 23.354 | P | 6-3 | 230 | R | R | 1979-05-09 | Ashland,KY | MLB | 2003-2009 | 1998-2011 | 2000- 8- 249-ARI | premium | premium | premium |
| Rickie Weeks | 2003-09-15 | boxscore | 21.007 | 2B | 6-0 | 210 | R | R | 1982-09-13 | Daytona Beach,FL | MLB | 2003-2017 | 2001-2017 | 2003- 1- 2-MIL | premium | premium | premium |
| Todd Wellemeyer | 2003-05-15 | boxscore | 24.264 | P | 6-2 | 215 | R | R | 1978-08-30 | Louisville,KY | MLB | 2003-2010 | 2000-2011 | 2000- 4- 103-CHN | premium | premium | premium |
| Matt White | 2003-05-27 | boxscore | 25.287 | P | 5-11 | 200 | R | L | 1977-08-19 | Pittsfield,MA | MLB | 2003-2005 | 1996-2010 | 1998- 15- 453-CLE | premium | premium | premium |
| Jerome Williams | 2003-04-26 | boxscore | 21.148 | P | 6-3 | 260 | R | R | 1981-12-04 | Honolulu,HI | MLB | 2003-2016 | 1999-2018 | 1999- 1- 39-SFN | premium | premium | premium |
| Dontrelle Willis | 2003-05-09 | boxscore | 21.122 | P | 6-2 | 230 | L | L | 1982-01-12 | Oakland,CA | MLB | 2003-2011 | 2000-2014 | 2000- 8- 223-CHN | premium | premium | premium |
| Mike Wood | 2003-08-21 | boxscore | 23.122 | P | 6-2 | 220 | R | R | 1980-04-26 | West Palm Beach,FL | MLB | 2003-2007 | 1999-2010 | 2001- 10- 311-OAK | premium | premium | premium |
| Jason Young | 2003-05-12 | boxscore | 23.232 | P | 6-5 | 215 | R | R | 1979-09-28 | Oakland,CA | MLB | 2003-2004 | 1998-2005 | 2000- 2- 47-COL | premium | premium | premium |
| Peter Zoccolillo | 2003-09-05 | boxscore | 26.221 | RF-LF | 6-2 | 200 | L | R | 1977-02-02 | Bronx,NY | MLB | 2003-2003 | 1996-2005 | 1999- 23- 710-CHN | premium | premium | premium |
| 182 record(s) |