The 2008 roster for the Athletics included Greg Smith at pitcher, Kurt Suzuki at catcher, Daric Barton at first baseman, Mark Ellis at second baseman and Jack Hannahan at third baseman.
| NO. | NAME | POS | HEIGHT | WEIGHT | DOB | AGE | BIRTHPLACE | ||
|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Baisley | 3B | 6'3" | 225 | 12/19/1982 | 25 | Tampa, FL | |
| 2 | | W. Bankston | 1B | 6'4" | 215 | 11/27/1983 | 24 | Dallas, TX | |
| 3 | | D. Barton | 1B | 6'0" | 215 | 8/16/1985 | 22 | Springfield, VT | |
| 4 | | J. Blanton | P | 6'3" | 225 | 12/11/1980 | 27 | Nashville, TN | |
| 5 | | J. Blevins | P | 6'6" | 190 | 9/6/1983 | 24 | Johnson City, TN | |
| 6 | | R. Bowen | C | 6'3" | 235 | 2/24/1981 | 27 | Bedford, TX | |
| 7 | | D. Braden | P | 6'1" | 185 | 8/13/1983 | 24 | Phoenix, AZ | |
| 8 | | A. Brown | P | 6'6" | 230 | 2/17/1981 | 27 | Chardon, OH | |
| 9 | | E. Brown | OF | 6'2" | 210 | 12/29/1974 | 33 | Chicago, IL | |
| 10 | | T. Buck | OF | 6'2" | 230 | 11/18/1983 | 24 | Richland, WA | |
| 11 | | K. Calero | P | 6'1" | 210 | 1/9/1975 | 33 | Santurce, Puerto Rico | |
| 12 | | S. Casilla | P | 6'0" | 210 | 7/25/1980 | 27 | San Cristobal, Dominican Republic | |
| 13 | | E. Chavez | 3B | 6'1" | 215 | 12/7/1977 | 30 | Los Angeles, CA | |
| 14 | | B. Conrad | 3B | 5'10" | 190 | 1/16/1980 | 28 | San Diego, CA | |
| 15 | | B. Crosby | SS | 6'3" | 210 | 1/12/1980 | 28 | Lakewood, CA | |
| 16 | | A. Cunningham | OF | 5'11" | 215 | 4/24/1986 | 22 | Anchorage, AK | |
| 17 | | J. Cust | OF | 6'1" | 250 | 1/7/1979 | 29 | Flemington, NJ | |
| 18 | | R. Davis | OF | 5'10" | 195 | 10/19/1980 | 27 | Norwich, CT | |
| 19 | | C. Denorfia | OF | 6'0" | 195 | 7/15/1980 | 27 | Bristol, CT | |
| 20 | | J. Devine | P | 6'0" | 235 | 9/19/1983 | 24 | Junction CIty, KS | |
| 21 | | L. DiNardo | P | 6'2" | 220 | 9/19/1979 | 28 | Miami, FL | |
| 22 | | J. Duchscherer | P | 6'3" | 195 | 11/19/1977 | 30 | Aberdeen, SD | |
| 23 | | M. Ellis | 2B | 5'10" | 190 | 6/6/1977 | 31 | Rapid City, SD | |
| 24 | | A. Embree | P | 6'2" | 200 | 1/23/1970 | 38 | The Dalles, OR | |
| 25 | | D. Eveland | P | 6'1" | 235 | 10/29/1983 | 24 | Olympia, WA | |
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