Ryan Zeferjahn ERA in 2025
4.742025 Regular Season
Ryan Zeferjahn posted a 4.74 ERA in the 2025 regular season.
- Ryan Zeferjahn's highest ERA of the 3 seasons on file; the best is 2.12 in 2024.
- Up 2.62 from 2.12 in 2024.
Best 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 |  LAA | 12 | 0 | 0 | 2.12 | 17.0 | 18 | 6 | 0.76 | 0 |
| 2025 | LAA | 62 | 6 | 5 | 4.74 | 57.0 | 73 | 35 | 1.47 | 2 |
| 2026 |  LAA/CHC | 63 | 4 | 4 | 3.97 | 68.0 | 93 | 39 | 1.28 | 6 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
@ ATL
@ TOR
@ PHI
vs TEX
vs ARI