Baseball Roster for 2003 Oakland Athletics
| # | Player Name | Pos | Age | B | T | Ht | Wt | Born | Place | High Level | mlbYears | Salary |
| 57 | Micah Bowie | P | 28 | L | L | 6-4 | 210 | 11/10/1974 | Webster,Texas | MLB | 1999-2008 | 304,000 |
| 53 | Chad Bradford | P | 28 | R | R | 6-5 | 205 | 9/14/1974 | Jackson,Mississippi | MLB | 1998-2009 | 331,000 |
| 22 | Eric Byrnes | LF-CF | 27 | R | R | 6-2 | 205 | 2/16/1976 | Redwood City,California | MLB | 2000-2010 | 300,000 |
| 3 | Eric Chavez | 3B | 25 | L | R | 6-0 | 204 | 12/7/1977 | Los Angeles,California | MLB | 1998-2011 | 3,675,000 |
| 8,7 | Bobby Crosby | SS | 23 | R | R | 6-3 | 195 | 1/12/1980 | Lakewood,California | MLB | 2003-2010 | 300,000 |
| 58 | Justin Duchscherer | P | 25 | R | R | 6-3 | 164 | 11/19/1977 | Aberdeen,South Dakota | MLB | 2001-2010 | 300,000 |
| 44 | Erubiel Durazo | 1B | 29 | L | L | 6-3 | 225 | 1/23/1974 | Hermosillo,Mexico | MLB | 1999-2005 | 1,065,000 |
| 24 | Jermaine Dye | RF | 29 | R | R | 6-5 | 220 | 1/28/1974 | Vacaville,California | MLB | 1996-2009 | 11,666,667 |
| 21 | Mike Edwards | LF | 26 | R | R | 6-1 | 185 | 11/24/1976 | Mechanicsburg,Pennsylvania | MLB | 2003-2006 | 300,000 |
| 14 | Mark Ellis | 2B | 26 | R | R | 5-11 | 180 | 6/6/1977 | Rapid City,South Dakota | MLB | 2002-2011 | 307,500 |
| 33 | Jeremy Fikac | P | 28 | R | R | 6-2 | 185 | 4/8/1975 | Shiner,Texas | MLB | 2001-2004 | 316,000 |
| 29 | Keith Foulke | P | 30 | R | R | 6-0 | 200 | 10/19/1972 | Rapid City,South Dakota | MLB | 1997-2008 | 6,000,000 |
| 5 | Ron Gant | LF-CF | 38 | R | R | 6-0 | 196 | 3/2/1965 | Victoria,Texas | MLB | 1987-2003 | 350,000 |
| 50 | Esteban German | 2B-3B | 24 | R | R | 5-9 | 165 | 12/26/1978 | Santo Domingo,Dominican Republic | MLB | 2002-2011 | 300,000 |
| 23 | Jason Grabowski | LF | 27 | L | R | 6-3 | 200 | 5/24/1976 | New Haven,Connecticut | MLB | 2002-2005 | 300,000 |
| 6 | Jose Guillen | RF-LF | 27 | R | R | 5-11 | 195 | 5/17/1976 | San Cristobal,Dominican Republic | MLB | 1997-2010 | 300,000 |
| 54 | John Halama | P | 31 | L | L | 6-5 | 200 | 2/22/1972 | Brooklyn,New York | MLB | 1998-2006 | 750,000 |
| 56 | Aaron Harang | P | 25 | R | R | 6-7 | 240 | 5/9/1978 | San Diego,California | MLB | 2002-2011 | 300,000 |
| 16,40 | Rich Harden | P | 21 | L | R | 6-1 | 180 | 11/30/1981 | Victoria,British Columbia | MLB | 2003-2011 | 300,000 |
| 32 | Chad Harville | P | 26 | R | R | 5-9 | 180 | 9/16/1976 | Selmer,Tennessee | MLB | 1999-2006 | 300,000 |
| 10 | Scott Hatteberg | C-1B | 33 | L | R | 6-1 | 205 | 12/14/1969 | Salem,Oregon | MLB | 1995-2008 | 1,750,000 |
| 55 | Ramon Hernandez | C | 27 | R | R | 6-0 | 227 | 5/20/1976 | Caracas,Venezuela | MLB | 1999-2011 | 1,887,500 |
| 15 | Tim Hudson | P | 27 | R | R | 6-0 | 160 | 7/14/1975 | Columbus,Georgia | MLB | 1999-2011 | 2,700,000 |
| 7 | Mark Johnson | C | 27 | L | R | 6-0 | 185 | 9/12/1975 | Wheat Ridge,Colorado | MLB | 1998-2008 | 500,000 |
| 18 | Graham Koonce | 1B | 28 | L | L | 6-4 | 220 | 5/15/1975 | El Cajon,California | MLB | 2003-2003 | 300,000 |
| 31 | Ted Lilly | P | 27 | L | L | 6-0 | 185 | 1/4/1976 | Lomita,California | MLB | 1999-2011 | 335,000 |
| 12 | Terrence Long | CF-LF | 27 | L | L | 6-1 | 190 | 2/29/1976 | Montgomery,Alabama | MLB | 1999-2006 | 2,175,000 |
| 8 | David McCarty | 1B-LF | 33 | R | L | 6-5 | 215 | 11/23/1969 | Houston,Texas | MLB | 1993-2005 | 300,000 |
| 13 | Billy McMillon | LF-RF | 31 | L | L | 5-11 | 179 | 11/17/1971 | Otero,New Mexico | MLB | 1996-2004 | 300,000 |
| 45 | Jim Mecir | P | 33 | B | R | 6-1 | 195 | 5/16/1970 | Queens,New York | MLB | 1995-2005 | 3,216,667 |
| 17 | Adam Melhuse | C | 31 | B | R | 6-2 | 185 | 3/27/1972 | Santa Clara,California | MLB | 2000-2008 | 300,000 |
| 11 | Frank Menechino | 2B | 32 | R | R | 5-9 | 175 | 1/7/1971 | Staten Island,New York | MLB | 1999-2005 | 334,500 |
| 20 | Mark Mulder | P | 25 | L | L | 6-6 | 200 | 8/5/1977 | South Holland,Illinois | MLB | 2000-2008 | 2,650,000 |
| 49 | Mike Neu | P | 25 | B | R | 5-10 | 190 | 3/9/1978 | Napa,California | MLB | 2003-2004 | 300,000 |
| 8 | Adam Piatt | LF-RF | 27 | R | R | 6-2 | 195 | 2/8/1976 | Chicago,Illinois | MLB | 2000-2003 | 322,000 |
| 73 | Ricardo Rincon | P | 33 | L | L | 5-10 | 187 | 4/13/1970 | Veracruz,Mexico | MLB | 1997-2008 | 1,700,000 |
| 2 | Chris Singleton | CF | 30 | L | L | 6-2 | 195 | 8/15/1972 | Martinez,California | MLB | 1999-2005 | 1,200,000 |
| 37 | Steve Sparks | P | 37 | R | R | 6-0 | 180 | 7/2/1965 | Tulsa,Oklahoma | MLB | 1995-2004 | 4,500,000 |
| 4 | Miguel Tejada | SS | 29 | R | R | 5-9 | 188 | 5/25/1974 | Bani,Dominican Republic | MLB | 1997-2011 | 5,125,000 |
| 51 | Mike Wood | P | 23 | R | R | 6-3 | 195 | 4/26/1980 | West Palm Beach,Florida | MLB | 2003-2007 | 300,000 |
| 75 | Barry Zito | P | 25 | L | L | 6-4 | 205 | 5/13/1978 | Las Vegas,Nevada | MLB | 2000-2011 | 1,100,000 |
Team Personnel