Blake Treinen career ERA
2.93Career Regular Season
Blake Treinen has a career ERA of 2.93 over 12 regular seasons.
- Best season on file: 0.78 in 2018.
- Most recent: 3.54 in 2026.
Average of 12 regular seasons, 2014 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2014 |  WSH | 15 | 2 | 3 | 2.49 | 50.2 | 30 | 13 | 1.38 | 0 |
| 2015 | WSH | 60 | 2 | 5 | 3.86 | 67.2 | 65 | 32 | 1.39 | 0 |
| 2016 | WSH | 73 | 4 | 1 | 2.28 | 67.0 | 63 | 31 | 1.22 | 1 |
| 2017 |  WSH/ATH | 72 | 3 | 6 | 3.93 | 75.2 | 74 | 25 | 1.39 | 16 |
| 2018 | ATH | 68 | 9 | 2 | 0.78 | 80.1 | 100 | 21 | 0.83 | 38 |
| 2019 | ATH | 57 | 6 | 5 | 4.91 | 58.2 | 59 | 37 | 1.62 | 16 |
| 2020 |  LAD | 27 | 3 | 3 | 3.86 | 25.2 | 22 | 8 | 1.21 | 1 |
| 2021 | LAD | 72 | 6 | 5 | 1.99 | 72.1 | 85 | 25 | 0.98 | 7 |
| 2022 | LAD | 5 | 1 | 1 | 1.80 | 5.0 | 6 | 1 | 0.40 | 0 |
| 2024 | LAD | 50 | 7 | 3 | 1.93 | 46.2 | 56 | 11 | 0.94 | 1 |
| 2025 | LAD | 32 | 2 | 7 | 5.40 | 26.2 | 36 | 19 | 1.84 | 2 |
| 2026 | LAD | 34 | 4 | 1 | 3.54 | 28.0 | 31 | 11 | 1.36 | 1 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
