Jimmy Key career ERA
3.51Career Regular Season
Jimmy Key has a career ERA of 3.51 over 15 regular seasons.
- Best season on file: 2.76 in 1987.
- Most recent: 4.20 in 1998.
Average of 15 regular seasons, 1984 through 1998. Figures come from ESPN's box scores and were last read on September 21, 2026.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SV: Games finished by protecting a narrow lead to the last out. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1984 |  TOR | 63 | 4 | 5 | 4.65 | 62.0 | 44 | 32 | 1.65 | 10 |
| 1985 | TOR | 35 | 14 | 6 | 3.00 | 212.2 | 85 | 50 | 1.12 | 0 |
| 1986 | TOR | 36 | 14 | 11 | 3.57 | 232.0 | 141 | 74 | 1.28 | 0 |
| 1987 | TOR | 36 | 17 | 8 | 2.76 | 261.0 | 161 | 66 | 1.06 | 0 |
| 1988 | TOR | 21 | 12 | 5 | 3.29 | 131.1 | 65 | 30 | 1.20 | 0 |
| 1989 | TOR | 33 | 13 | 14 | 3.88 | 216.0 | 118 | 27 | 1.17 | 0 |
| 1990 | TOR | 27 | 13 | 7 | 4.25 | 154.2 | 88 | 22 | 1.23 | 0 |
| 1991 | TOR | 33 | 16 | 12 | 3.05 | 209.1 | 125 | 44 | 1.20 | 0 |
| 1992 | TOR | 33 | 13 | 13 | 3.53 | 216.2 | 117 | 59 | 1.22 | 0 |
| 1993 |  NYY | 34 | 18 | 6 | 3.00 | 236.2 | 173 | 43 | 1.11 | 0 |
| 1994 | NYY | 25 | 17 | 4 | 3.27 | 168.0 | 97 | 52 | 1.36 | 0 |
| 1995 | NYY | 5 | 1 | 2 | 5.64 | 30.1 | 14 | 6 | 1.52 | 0 |
| 1996 | NYY | 30 | 12 | 11 | 4.68 | 169.1 | 116 | 58 | 1.35 | 0 |
| 1997 |  BAL | 34 | 16 | 10 | 3.43 | 212.1 | 141 | 82 | 1.38 | 0 |
| 1998 | BAL | 25 | 6 | 3 | 4.20 | 79.1 | 53 | 23 | 1.26 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV