P · 15 seasons · 1981 – 1996 · B/T: R/R
Few careers score higher: Alejandro Peña sits 1st of 0 pitchers all-time in roto value, built over 15 seasons. 1984 was the high-water mark, worth +7.2, 20th that season and 2930th of 51,303 player-seasons on record. His profile is all upside: ERA (+9.1), WHIP (+7.9) and saves (+6.2), and nothing on the debit side.
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1981 | LAD | 14 | -2.51 | #825 | #99,979 |
| 1982 | LAD | 29 | -2.23 | #491 | #80,431 |
| 1983 | LAD | 34 | -3.11 | #936 | #109,355 |
| 1984 | LAD | 28 | -3.15 | #917 | #109,628 |
| 1985 | LAD | 2 | -2.28 | #734 | #85,026 |
| 1986 | LAD | 24 | -2.45 | #824 | #97,396 |
| 1987 | LAD | 37 | -2.57 | #895 | #101,865 |
| 1988 | LAD | 60 | -2.41 | #864 | #95,307 |
| 1989 | LAD | 53 | -2.16 | #463 | #73,126 |
| 1990 | NYM | 52 | -2.15 | #481 | #71,372 |
| 1991 | NYM | 59 | -2.18 | #793 | #74,732 |
| 1992 | ATL | 41 | -2.26 | #811 | #83,118 |
| 1994 | PIT | 22 | -2.29 | #796 | #87,067 |
| 1995 | BOS | 44 | -2.17 | #877 | #74,353 |
| 1996★ | FLA | 4 | -2.12 | #560 | #66,683 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1981 | LAD | 14 | -0.87 | #179 | #22,649 |
| 1982 | LAD | 29 | -3.14 | #321 | #46,340 |
| 1983 | LAD | 34 | 6.39 | #28 | #3,701 |
| 1984★ | LAD | 28 | 7.17 | #20 | #2,930 |
| 1985 | LAD | 2 | -2.82 | #325 | #43,426 |
| 1986 | LAD | 24 | -2.35 | #282 | #36,941 |
| 1987 | LAD | 37 | 2.08 | #108 | #11,357 |
| 1988 | LAD | 60 | 5.30 | #48 | #5,042 |
| 1989 | LAD | 53 | 3.02 | #86 | #9,018 |
| 1990 | NYM | 52 | 1.80 | #115 | #12,161 |
| 1991 | NYM | 59 | 4.90 | #55 | #5,623 |
| 1992 | ATL | 41 | 0.55 | #150 | #16,251 |
| 1994 | PIT | 22 | 1.01 | #136 | #14,612 |
| 1995 | BOS | 44 | 0.07 | #190 | #18,151 |
| 1996 | FLA | 4 | -2.14 | #354 | #33,767 |
★ Best season by Z