Stephen Kolek ERA in 2026
4.502026 Regular Season
Stephen Kolek has a 4.50 ERA in the 2026 regular season, as of Sep 22, 2026.
- 2nd-best of Stephen Kolek's 3 seasons on file; the best is 3.51 in 2025.
- Up 0.99 from 3.51 in 2025.
Average of 3 regular seasons, 2024 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2024 |  SD | 42 | 3 | 0 | 5.21 | 46.2 | 39 | 12 | 1.52 | 0 |
| 2025 |  SD/KC | 19 | 5 | 7 | 3.51 | 112.2 | 77 | 31 | 1.14 | 0 |
| 2026 | KC | 10 | 4 | 3 | 4.50 | 54.0 | 34 | 12 | 1.24 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
@ CHW
vs TB
vs CLE
@ STL