Oakland Athletics 40-Man Roster - 2013
| Pitchers | |||||||||
| NO. | NAME | POS | BAT | THW | AGE | HT | WT | BIRTH PLACE | SALARY |
| 50 | Grant Balfour | RP | R | R | 35 | 6-2 | 200 | Sydney, Australia | $4,500,000 |
| 13 | Jerry Blevins | RP | L | L | 29 | 6-6 | 175 | Johnson City, TN | $1,100,000 |
| 40 | Bartolo Colon | SP | R | R | 39 | 5-11 | 267 | Altamira, Dominican Republic | $3,000,000 |
| 48 | Ryan Cook | RP | R | R | 25 | 6-2 | 217 | Clovis, CA | $505,000 |
| 62 | Sean Doolittle | RP | L | L | 26 | 6-3 | 212 | Rapid City, SD | $492,500 |
| 64 | A.J. Griffin | SP | R | R | 25 | 6-5 | 230 | El Cajon, CA | $492,500 |
| 57 | Tommy Milone | SP | L | L | 26 | 6-0 | 205 | Saugus, CA | $495,000 |
| 47 | Pat Neshek | RP | B | R | 32 | 6-3 | 210 | Madison, WI | $975,000 |
| 11 | Jarrod Parker | SP | R | R | 24 | 6-1 | 195 | Fort Wayne, IN | $495,000 |
| 44 | Chris Resop | RP | R | R | 30 | 6-3 | 225 | Naples, FL | $1,350,000 |
| 58 | Evan Scribner | RP | R | R | 27 | 6-3 | 190 | New Milford, CT | $495,000 |
| 67 | Dan Straily | SP | R | R | 24 | 6-2 | 215 | Redlands, CA | $492,500 |
| Catchers | |||||||||
| NO. | NAME | POS | BAT | THW | AGE | HT | WT | BIRTH PLACE | SALARY |
| 5 | John Jaso | C | L | R | 29 | 6-2 | 205 | Chula Vista, CA | $1,800,000 |
| 22 | Luke Montz | C | R | R | 29 | 6-1 | 229 | Lafayette, LA | N/A |
| 36 | Derek Norris | C | R | R | 24 | 6-0 | 210 | Goddard, KS | $492,500 |
| Infielders | |||||||||
| NO. | NAME | POS | BAT | THW | AGE | HT | WT | BIRTH PLACE | SALARY |
| 20 | Josh Donaldson | 3B | R | R | 27 | 6-0 | 221 | Pensacola, FL | $492,500 |
| 7 | Nate Freiman | 1B | R | R | 26 | 6-7 | 225 | Washington, DC | $490,000 |
| 8 | Jed Lowrie | SS | B | R | 29 | 6-0 | 180 | Salem, OR | $2,400,000 |
| 37 | Brandon Moss | 1B | L | R | 29 | 6-0 | 210 | Monroe, GA | $1,600,000 |
| 17 | Adam Rosales | SS | R | R | 29 | 6-1 | 195 | Chicago, IL | $700,000 |
| 28 | Eric Sogard | 2B | L | R | 26 | 5-10 | 188 | Phoenix, AZ | $495,000 |
| Outfielders | |||||||||
| NO. | NAME | POS | BAT | THW | AGE | HT | WT | BIRTH PLACE | SALARY |
| 52 | Yoenis Cespedes | LF | R | R | 27 | 5-10 | 210 | Campechuela, Cuba | $8,500,000 |
| 16 | Josh Reddick | RF | L | R | 26 | 6-2 | 180 | Savannah, GA | $510,000 |
| 25 | Chris Young | CF | R | R | 29 | 6-2 | 192 | Houston, TX | $8,700,000 |
| Designated Hitters | |||||||||
| NO. | NAME | POS | BAT | THW | AGE | HT | WT | BIRTH PLACE | SALARY |
| 15 | Seth Smith | DH | L | L | 30 | 6-3 | 210 | Jackson, MS | $3,675,000 |
| Disabled List | |||||||||
| NO. | NAME | POS | BAT | THW | AGE | HT | WT | BIRTH PLACE | SALARY |
| 49 | Brett Anderson DL15 | SP | L | L | 25 | 6-4 | 233 | Midland, TX | $5,750,000 |
| 4 | Coco Crisp DL15 | CF | B | R | 33 | 5-10 | 185 | Los Angeles, CA | $7,000,000 |
| 3 | Hiroyuki Nakajima DL15 | SS | R | R | 30 | 5-11 | 198 | Itami, Japan | $2,875,000 |
| 33 | Fernando Rodriguez DL60 | RP | R | R | 28 | 6-3 | 237 | El Paso, TX | $492,000 |
| 29 | Scott Sizemore DL60 | 3B | R | R | 28 | 6-0 | 185 | Virginia Beach, VA | $500,000 |
| Minors | |||||||||
| NO. | NAME | POS | BAT | THW | AGE | HT | WT | BIRTH PLACE | SALARY |
| 60 | Jesse Chavez | RP | R | R | 29 | 6-2 | 160 | Victorville, CA | N/A |
| -- | Pedro Figueroa | RP | L | L | 27 | 6-0 | 214 | Santo Domingo, Dominican Republic | N/A |
| -- | Grant Green | CF | R | R | 25 | 6-3 | 180 | Fullerton, CA | N/A |
| -- | Arnold Leon | RP | R | R | 24 | 6-1 | 206 | Culiacan, Mexico | N/A |
| -- | Jordan Norberto | RP | L | L | 26 | 6-0 | 195 | Nagua, Dominican Republic | N/A |
| 12 | Andy Parrino | 2B | B | R | 27 | 6-0 | 190 | Brockport, NY | N/A |
| 32 | Shane Peterson | CF | L | L | 25 | 6-0 | 210 | Fallbrook, CA | N/A |
| 23 | Michael Taylor | LF | R | R | 27 | 6-5 | 256 | Cheverly, MD | N/A |
| -- | Stephen Vogt | C | L | R | 28 | 6-0 | 215 | Visalia, CA | N/A |
| -- | Jemile Weeks | 2B | B | R | 26 | 5-9 | 161 | Orlando, FL | N/A |
| -- | Andrew Werner | SP | L | L | 26 | 6-2 | 215 | West Peoria, IL | N/A |
| -- | Michael Ynoa | SP | R | R | 21 | 6-7 | 210 | Puerto Plata, Dominican Republic | N/A |
| Roster Analysis | RHB | LHB | SHB | RHP | LHP | AVG HT | AVG WT | AVG AGE | Young | Old |
| Athletics | 10 | 7 | 4 | 12 | 7 | 6-1 | 205 | 27.5 | 21 | 39 |