Jack Wilson career ERA
4.59Career Regular Season
Jack Wilson has a career ERA of 4.59 over 9 regular seasons.
- Best season on file: 3.70 in 1937.
- Most recent: 6.22 in 1942.
Figures come from ESPN's box scores and were last read on September 22, 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1934 |  ATH | 2 | 0 | 1 | 12.00 | 9.0 | 2 | 9 | 2.67 | 0 |
| 1935 |  BOS | 23 | 3 | 4 | 4.22 | 64.0 | 19 | 36 | 1.69 | 1 |
| 1936 | BOS | 43 | 6 | 8 | 4.42 | 136.1 | 74 | 86 | 1.75 | 3 |
| 1937 | BOS | 51 | 16 | 10 | 3.70 | 221.1 | 137 | 119 | 1.48 | 7 |
| 1938 | BOS | 37 | 15 | 15 | 4.30 | 194.2 | 96 | 91 | 1.49 | 1 |
| 1939 | BOS | 36 | 11 | 11 | 4.67 | 177.1 | 80 | 75 | 1.54 | 2 |
| 1940 | BOS | 41 | 12 | 6 | 5.08 | 157.2 | 102 | 87 | 1.63 | 5 |
| 1941 | BOS | 27 | 4 | 13 | 5.03 | 116.1 | 55 | 70 | 1.81 | 1 |
| 1942 |  DET/MIN | 21 | 1 | 4 | 6.22 | 55.0 | 25 | 28 | 1.91 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV