Josh Hader career ERA
2.49Career Regular Season
Josh Hader has a career ERA of 2.49 over 10 regular seasons.
- Best season on file: 0.83 in 2026.
Average of 10 regular seasons, 2017 through 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2017 |  MIL | 35 | 2 | 3 | 2.08 | 47.2 | 68 | 22 | 0.99 | 0 |
| 2018 | MIL | 55 | 6 | 1 | 2.43 | 81.1 | 143 | 30 | 0.81 | 12 |
| 2019 | MIL | 61 | 3 | 5 | 2.62 | 75.2 | 138 | 20 | 0.81 | 37 |
| 2020 | MIL | 21 | 1 | 2 | 3.79 | 19.0 | 31 | 10 | 0.95 | 13 |
| 2021 | MIL | 60 | 4 | 2 | 1.23 | 58.2 | 102 | 24 | 0.84 | 34 |
| 2022 |  MIL/SD | 56 | 2 | 5 | 5.22 | 50.0 | 81 | 21 | 1.28 | 36 |
| 2023 | SD | 61 | 2 | 3 | 1.28 | 56.1 | 85 | 30 | 1.10 | 33 |
| 2024 |  HOU | 71 | 8 | 8 | 3.80 | 71.0 | 105 | 25 | 0.96 | 34 |
| 2025 | HOU | 48 | 6 | 2 | 2.05 | 52.2 | 76 | 16 | 0.85 | 28 |
| 2026 | HOU | 44 | 4 | 1 | 0.83 | 43.1 | 55 | 11 | 0.65, led the MLB | 26 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
Bold marks the best figure in the MLB that season, among players with at least 30 games.
