Jack Spring career ERA
4.26Career Regular Season
Jack Spring has a career ERA of 4.26 over 8 regular seasons.
| 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1955 |  PHI | 2 | 0 | 1 | 6.75 | 2.2 | 2 | 1 | 1.13 | 0 |
| 1957 |  BOS | 1 | 0 | 0 | 0.00 | 1.0 | 2 | 0 | 0.00 | 0 |
| 1958 |  MIN | 3 | 0 | 0 | 14.14 | 7.0 | 1 | 7 | 3.29 | 0 |
| 1961 |  LAA | 18 | 3 | 0 | 4.26 | 38.0 | 27 | 15 | 1.32 | 0 |
| 1962 | LAA | 57 | 4 | 2 | 4.02 | 65.0 | 31 | 30 | 1.48 | 6 |
| 1963 | LAA | 45 | 3 | 0 | 3.05 | 38.1 | 13 | 9 | 1.28 | 2 |
| 1964 |  LAA/CHC/STL | 15 | 1 | 0 | 4.38 | 12.1 | 1 | 6 | 1.70 | 0 |
| 1965 |  CLE | 14 | 1 | 2 | 3.74 | 21.2 | 9 | 10 | 1.43 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 0.00 in 1957.
- Most recent: 3.74 in 1965.
Figures come from ESPN's box scores and were last read on November 2, 2026.