Oakland Athletics Pitching Stats - 2013
APRIL
| Pitching | ||||||||||||||||
| NAME | GP | GS | W | L | SV | HLD | IP | H | ER | HR | BB | SO | K/9 | P/GS | WHIP | ERA |
| Jesse Chavez | 3 | 0 | 0 | 0 | 0 | 0 | 4.1 | 7 | 3 | 0 | 1 | 3 | 6.23 | 0.0 | 1.85 | 6.23 |
| Pat Neshek | 13 | 0 | 0 | 0 | 0 | 0 | 11.1 | 13 | 4 | 1 | 7 | 8 | 6.35 | 0.0 | 1.76 | 3.18 |
| Sean Doolittle | 12 | 0 | 1 | 0 | 0 | 3 | 11.1 | 5 | 2 | 2 | 3 | 12 | 9.53 | 0.0 | 0.71 | 1.59 |
| Dan Straily | 2 | 2 | 1 | 0 | 0 | 0 | 11.1 | 12 | 8 | 2 | 1 | 17 | 13.50 | 228.5 | 1.15 | 6.35 |
| Grant Balfour | 11 | 0 | 0 | 0 | 3 | 0 | 12.0 | 10 | 3 | 2 | 5 | 10 | 7.50 | 0.0 | 1.25 | 2.25 |
| Chris Resop | 14 | 0 | 1 | 0 | 0 | 0 | 12.2 | 16 | 6 | 1 | 7 | 8 | 5.68 | 0.0 | 1.82 | 4.26 |
| Ryan Cook | 12 | 0 | 1 | 0 | 0 | 3 | 13.0 | 7 | 3 | 0 | 6 | 14 | 9.69 | 0.0 | 1.00 | 2.08 |
| Evan Scribner | 9 | 0 | 0 | 0 | 0 | 0 | 13.1 | 14 | 8 | 2 | 4 | 6 | 4.05 | 0.0 | 1.35 | 5.40 |
| Jerry Blevins | 14 | 0 | 2 | 0 | 0 | 0 | 16.1 | 10 | 3 | 1 | 1 | 16 | 8.82 | 0.0 | 0.67 | 1.65 |
| Brett Anderson | 6 | 5 | 1 | 4 | 0 | 0 | 29.0 | 32 | 20 | 3 | 15 | 29 | 9.00 | 86.4 | 1.62 | 6.21 |
| Jarrod Parker | 6 | 6 | 1 | 4 | 0 | 0 | 29.1 | 43 | 24 | 4 | 16 | 18 | 5.52 | 134.3 | 2.01 | 7.36 |
| A.J. Griffin | 5 | 5 | 2 | 2 | 0 | 0 | 31.0 | 29 | 16 | 5 | 10 | 23 | 6.68 | 181.2 | 1.26 | 4.65 |
| Bartolo Colon | 5 | 5 | 3 | 0 | 0 | 0 | 32.0 | 32 | 12 | 2 | 1 | 20 | 5.63 | 152.4 | 1.03 | 3.38 |
| Tommy Milone | 5 | 5 | 3 | 2 | 0 | 0 | 32.0 | 33 | 12 | 3 | 6 | 26 | 7.31 | 185.0 | 1.22 | 3.38 |
| Totals | 28 | 28 | 16 | 12 | 3 | 6 | 259.0 | 263 | 124 | 28 | 83 | 210 | 7.30 | 153.1 | 1.34 | 4.31 |
| Bold: Qualified for ERA title (1 inning pitched per team game) |