Merrill Kelly career ERA
3.93Career Regular Season
Merrill Kelly has a career ERA of 3.93 over 8 regular seasons.
- Best season on file: 2.59 in 2020.
- Most recent: 5.00 in 2026.
Average of 8 regular seasons, 2019 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2019 |  ARI | 32 | 13 | 14 | 4.42 | 183.1 | 158 | 57 | 1.31 | 0 |
| 2020 | ARI | 5 | 3 | 2 | 2.59 | 31.1 | 29 | 5 | 0.99 | 0 |
| 2021 | ARI | 27 | 7 | 11 | 4.44 | 158.0 | 130 | 41 | 1.29 | 0 |
| 2022 | ARI | 33 | 13 | 8 | 3.37 | 200.1 | 177 | 61 | 1.14 | 0 |
| 2023 | ARI | 30 | 12 | 8 | 3.29 | 177.2 | 187 | 69 | 1.19 | 0 |
| 2024 | ARI | 13 | 5 | 1 | 4.03 | 73.2 | 63 | 19 | 1.17 | 0 |
| 2025 |  ARI/TEX | 32 | 12 | 9 | 3.52 | 184.0 | 167 | 48 | 1.11 | 0 |
| 2026 | ARI | 28 | 9 | 14 | 5.00 | 156.2 | 111 | 69 | 1.47 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
