Bruce Kison career ERA
3.66Career Regular Season
Bruce Kison has a career ERA of 3.66 over 15 regular seasons.
- Best season on file: 3.08 in 1976.
- Most recent: 4.11 in 1985.
Average of 15 regular seasons, 1971 through 1985. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1971 |  PIT | 18 | 6 | 5 | 3.40 | 95.1 | 60 | 36 | 1.35 | 0 |
| 1972 | PIT | 32 | 9 | 7 | 3.26 | 152.0 | 102 | 69 | 1.26 | 3 |
| 1973 | PIT | 7 | 3 | 0 | 3.09 | 43.2 | 26 | 24 | 1.37 | 0 |
| 1974 | PIT | 40 | 9 | 8 | 3.49 | 129.0 | 71 | 57 | 1.40 | 2 |
| 1975 | PIT | 33 | 12 | 11 | 3.23 | 192.0 | 89 | 92 | 1.31 | 0 |
| 1976 | PIT | 31 | 14 | 9 | 3.08 | 193.0 | 98 | 52 | 1.20 | 1 |
| 1977 | PIT | 33 | 9 | 10 | 4.90 | 193.0 | 122 | 55 | 1.37 | 0 |
| 1978 | PIT | 28 | 6 | 6 | 3.19 | 96.0 | 62 | 39 | 1.25 | 0 |
| 1979 | PIT | 33 | 13 | 7 | 3.19 | 172.1 | 105 | 45 | 1.17 | 0 |
| 1980 |  LAA | 13 | 3 | 6 | 4.91 | 73.1 | 28 | 32 | 1.43 | 0 |
| 1981 | LAA | 11 | 1 | 1 | 3.48 | 44.0 | 19 | 14 | 1.23 | 0 |
| 1982 | LAA | 33 | 10 | 5 | 3.17 | 142.0 | 86 | 44 | 1.15 | 1 |
| 1983 | LAA | 26 | 11 | 5 | 4.05 | 126.2 | 83 | 43 | 1.35 | 2 |
| 1984 | LAA | 20 | 4 | 5 | 5.37 | 65.1 | 66 | 28 | 1.53 | 2 |
| 1985 |  BOS | 22 | 5 | 3 | 4.11 | 92.0 | 56 | 32 | 1.41 | 1 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV