Mason Miller career ERA
2.34Career Regular Season
Mason Miller has a career ERA of 2.34 over 4 regular seasons.
- Best season on file: 1.21 in 2026.
Average of 4 regular seasons, 2023 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 |  ATH | 10 | 0 | 3 | 3.78 | 33.1 | 38 | 16 | 1.20 | 0 |
| 2024 | ATH | 55 | 2 | 2 | 2.49 | 65.0 | 104 | 21 | 0.88 | 28 |
| 2025 |  ATH/SD | 60 | 1 | 2 | 2.63 | 61.2 | 104 | 28 | 0.91 | 22 |
| 2026 | SD | 63 | 5 | 2 | 1.21 | 67.0 | 123 | 23 | 0.84 | 37 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
