Jonathan Bowlan career ERA
3.81Career Regular Season
Jonathan Bowlan has a career ERA of 3.81 over 4 regular seasons.
- Best season on file: 3.00 in 2023.
- Most recent: 3.36 in 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 |  KC | 2 | 0 | 1 | 3.00 | 3.0 | 3 | 0 | 1.67 | 0 |
| 2024 | KC | 1 | 0 | 1 | 13.50 | 2.2 | 3 | 3 | 3.38 | 0 |
| 2025 | KC | 34 | 1 | 2 | 3.86 | 44.1 | 46 | 17 | 1.22 | 0 |
| 2026 |  PHI | 59 | 2 | 2 | 3.36 | 56.1 | 73 | 15 | 1.03 | 2 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
