Jack Leiter career ERA
4.95Career Regular Season
Jack Leiter has a career ERA of 4.95 over 3 regular seasons.
- Best season on file: 3.86 in 2025.
- Most recent: 5.29 in 2026.
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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2024 |  TEX | 9 | 0 | 3 | 8.83 | 35.2 | 31 | 17 | 1.71 | 0 |
| 2025 | TEX | 29 | 10 | 10 | 3.86 | 151.2 | 148 | 67 | 1.28 | 0 |
| 2026 | TEX | 15 | 3 | 7 | 5.29 | 80.0 | 83 | 35 | 1.44 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV