Kyle Harrison career ERA
4.34Career Regular Season
Kyle Harrison has a career ERA of 4.34 over 4 regular seasons.
- Best season on file: 4.04 in 2025.
- Most recent: 4.23 in 2026.
Average of 4 regular seasons, 2023 through 2026. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 |  SF | 7 | 1 | 1 | 4.15 | 34.2 | 35 | 11 | 1.15 | 0 |
| 2024 | SF | 24 | 7 | 7 | 4.56 | 124.1 | 118 | 42 | 1.34 | 0 |
| 2025 |  SF/BOS | 11 | 1 | 1 | 4.04 | 35.2 | 38 | 14 | 1.37 | 0 |
| 2026 |  MIL | 26 | 10 | 5 | 4.23 | 112.2 | 136 | 36 | 1.36 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
