Jon Gray career ERA
4.49Career Regular Season
Jon Gray has a career ERA of 4.49 over 11 regular seasons.
- Best season on file: 3.67 in 2017.
- Most recent: 7.71 in 2025.
Average of 11 regular seasons, 2015 through 2025. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2015 |  COL | 9 | 0 | 2 | 5.53 | 40.2 | 40 | 14 | 1.62 | 0 |
| 2016 | COL | 29 | 10 | 10 | 4.61 | 168.0 | 185 | 59 | 1.26 | 0 |
| 2017 | COL | 20 | 10 | 4 | 3.67 | 110.1 | 112 | 30 | 1.30 | 0 |
| 2018 | COL | 31 | 12 | 9 | 5.12 | 172.1 | 183 | 52 | 1.35 | 0 |
| 2019 | COL | 26 | 11 | 8 | 3.84 | 150.0 | 150 | 56 | 1.35 | 0 |
| 2020 | COL | 8 | 2 | 4 | 6.69 | 39.0 | 22 | 11 | 1.44 | 0 |
| 2021 | COL | 29 | 8 | 12 | 4.59 | 149.0 | 157 | 58 | 1.33 | 0 |
| 2022 |  TEX | 24 | 7 | 7 | 3.96 | 127.1 | 134 | 39 | 1.13 | 0 |
| 2023 | TEX | 29 | 9 | 8 | 4.12 | 157.1 | 142 | 54 | 1.29 | 0 |
| 2024 | TEX | 23 | 5 | 6 | 4.47 | 102.2 | 86 | 28 | 1.31 | 0 |
| 2025 | TEX | 6 | 1 | 1 | 7.71 | 14.0 | 12 | 6 | 1.50 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV