Jake Diekman career ERA
3.91Career Regular Season
Jake Diekman has a career ERA of 3.91 over 13 regular seasons.
- Best season on file: 0.42 in 2020.
- Most recent: 5.63 in 2024.
Average of 13 regular seasons, 2012 through 2024. Figures come from ESPN's box scores and were last read on September 21, 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2012 |  PHI | 32 | 1 | 1 | 3.95 | 27.1 | 35 | 20 | 1.65 | 0 |
| 2013 | PHI | 45 | 1 | 4 | 2.58 | 38.1 | 41 | 16 | 1.30 | 0 |
| 2014 | PHI | 73 | 5 | 5 | 3.80 | 71.0 | 100 | 35 | 1.42 | 0 |
| 2015 |  PHI/TEX | 67 | 2 | 1 | 4.01 | 58.1 | 69 | 31 | 1.44 | 0 |
| 2016 | TEX | 66 | 4 | 2 | 3.40 | 53.0 | 59 | 26 | 1.17 | 4 |
| 2017 | TEX | 11 | 0 | 0 | 2.53 | 10.2 | 13 | 10 | 1.31 | 1 |
| 2018 |  TEX/ARI | 71 | 1 | 2 | 4.73 | 53.1 | 66 | 31 | 1.50 | 2 |
| 2019 |  KC/ATH | 76 | 1 | 7 | 4.65 | 62.0 | 84 | 39 | 1.42 | 0 |
| 2020 | ATH | 21 | 2 | 0 | 0.42 | 21.1 | 31 | 12 | 0.94 | 0 |
| 2021 | ATH | 67 | 3 | 3 | 3.86 | 60.2 | 83 | 34 | 1.34 | 7 |
| 2022 |  BOS/CHW | 70 | 5 | 4 | 4.99 | 57.2 | 79 | 42 | 1.63 | 1 |
| 2023 |  CHW/TB | 63 | 0 | 2 | 3.34 | 56.2 | 64 | 38 | 1.32 | 0 |
| 2024 |  NYM | 43 | 2 | 3 | 5.63 | 32.0 | 40 | 24 | 1.47 | 4 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV