In his MLB career, Pena has surrendered 959 base knocks and he has 839 K’s in 1,057 innings. He has given up a total of 365 earned runs while earning a WHIP of 1.220 and having a FIP of 3.1. He has a K/BB ratio of 2.53 and he has gone up against 4,398 opposing batters so far in his career. Pena (56-52 career win-loss record) has a 3.11 ERA while giving up 8.2 hits per nine innings.
Alejandro Pena Stats
| Year | Team | G | IP | W | L | WHIP | ERA | H | BB | SO | FIP | SV | GS | HR | ER | R | BF | SO/W | H/9 | SO/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 503 | 1057.2 | 56 | 52 | 1.220 | 3.11 | 959 | 331 | 839 | 3.12 | 74 | 72 | 75 | 365 | 427 | 4,398 | 2.53 | 8.2 | 7.1 | |
| 1996 | FLA | 4 | 4.0 | 0 | 1 | 1.250 | 4.50 | 4 | 1 | 5 | 7.92 | 0 | 0 | 2 | 2 | 5 | 18 | 5.00 | 9.0 | 11.3 |
| 1995 | TOT | 44 | 55.1 | 3 | 1 | 1.337 | 4.72 | 55 | 19 | 64 | 3.70 | 0 | 0 | 8 | 29 | 32 | 238 | 3.37 | 8.9 | 10.4 |
| 1995 | TOT | 27 | 31.0 | 2 | 0 | 0.935 | 2.61 | 22 | 7 | 39 | 2.52 | 0 | 0 | 3 | 9 | 9 | 121 | 5.57 | 6.4 | 11.3 |
| 1995 | BOS | 17 | 24.1 | 1 | 1 | 1.849 | 7.40 | 33 | 12 | 25 | 5.20 | 0 | 0 | 5 | 20 | 23 | 117 | 2.08 | 12.2 | 9.2 |
| 1995 | FLA | 13 | 18.0 | 2 | 0 | 0.778 | 1.50 | 11 | 3 | 21 | 2.71 | 0 | 0 | 2 | 3 | 3 | 68 | 7.00 | 5.5 | 10.5 |
| 1995 | ATL | 14 | 13.0 | 0 | 0 | 1.154 | 4.15 | 11 | 4 | 18 | 2.26 | 0 | 0 | 1 | 6 | 6 | 53 | 4.50 | 7.6 | 12.5 |
| 1994 | PIT | 22 | 28.2 | 3 | 2 | 1.116 | 5.02 | 22 | 10 | 27 | 4.21 | 7 | 0 | 4 | 16 | 16 | 118 | 2.70 | 6.9 | 8.5 |
| 1992 | ATL | 41 | 42.0 | 1 | 6 | 1.262 | 4.07 | 40 | 13 | 34 | 4.26 | 15 | 0 | 7 | 19 | 19 | 173 | 2.62 | 8.6 | 7.3 |
| 1991 | TOT | 59 | 82.1 | 8 | 1 | 1.166 | 2.40 | 74 | 22 | 62 | 3.10 | 15 | 0 | 6 | 22 | 23 | 331 | 2.82 | 8.1 | 6.8 |
| 1991 | NYM | 44 | 63.0 | 6 | 1 | 1.302 | 2.71 | 63 | 19 | 49 | 3.24 | 4 | 0 | 5 | 19 | 20 | 261 | 2.58 | 9.0 | 7.0 |
| 1991 | ATL | 15 | 19.1 | 2 | 0 | 0.724 | 1.40 | 11 | 3 | 13 | 2.65 | 11 | 0 | 1 | 3 | 3 | 70 | 4.33 | 5.1 | 6.1 |
| 1990 | NYM | 52 | 76.0 | 3 | 3 | 1.224 | 3.20 | 71 | 22 | 76 | 2.40 | 5 | 0 | 4 | 27 | 31 | 320 | 3.45 | 8.4 | 9.0 |
| 1989 | LAD | 53 | 76.0 | 4 | 3 | 1.053 | 2.13 | 62 | 18 | 75 | 2.61 | 5 | 0 | 6 | 18 | 20 | 306 | 4.17 | 7.3 | 8.9 |
| 1988 | LAD | 60 | 94.1 | 6 | 7 | 1.081 | 1.91 | 75 | 27 | 83 | 2.45 | 12 | 0 | 4 | 20 | 29 | 378 | 3.07 | 7.2 | 7.9 |
| 1987 | LAD | 37 | 87.1 | 2 | 7 | 1.363 | 3.50 | 82 | 37 | 76 | 3.81 | 11 | 7 | 9 | 34 | 41 | 377 | 2.05 | 8.5 | 7.8 |
| 1986 | LAD | 24 | 70.0 | 1 | 2 | 1.486 | 4.89 | 74 | 30 | 46 | 3.90 | 1 | 10 | 6 | 38 | 40 | 309 | 1.53 | 9.5 | 5.9 |
| 1985 | LAD | 2 | 4.1 | 0 | 1 | 2.308 | 8.31 | 7 | 3 | 2 | 6.84 | 0 | 1 | 1 | 4 | 5 | 23 | 0.67 | 14.5 | 4.2 |
| 1984 | LAD | 28 | 199.1 | 12 | 6 | 1.164 | 2.48 | 186 | 46 | 135 | 2.61 | 0 | 28 | 7 | 55 | 67 | 813 | 2.93 | 8.4 | 6.1 |
| 1983 | LAD | 34 | 177.0 | 12 | 9 | 1.147 | 2.75 | 152 | 51 | 120 | 2.79 | 1 | 26 | 7 | 54 | 67 | 730 | 2.35 | 7.7 | 6.1 |
| 1982 | LAD | 29 | 35.2 | 0 | 2 | 1.626 | 4.79 | 37 | 21 | 20 | 4.17 | 0 | 0 | 2 | 19 | 24 | 160 | 0.95 | 9.3 | 5.0 |
| 1981 | LAD | 14 | 25.1 | 1 | 1 | 1.145 | 2.84 | 18 | 11 | 14 | 3.82 | 2 | 0 | 2 | 8 | 8 | 104 | 1.27 | 6.4 | 5.0 |
