Hayden Penn career ERA
9.51Career Regular Season
Hayden Penn has a career ERA of 9.51 over 4 regular seasons.
- Best season on file: 6.34 in 2005.
- Most recent: 30.86 in 2010.
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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2005 |  BAL | 8 | 3 | 2 | 6.34 | 38.1 | 18 | 21 | 1.75 | 0 |
| 2006 | BAL | 6 | 0 | 4 | 15.10 | 19.2 | 8 | 13 | 2.59 | 0 |
| 2009 |  MIA | 16 | 1 | 0 | 7.77 | 22.0 | 27 | 20 | 2.27 | 0 |
| 2010 |  PIT | 3 | 0 | 0 | 30.86 | 2.1 | 0 | 3 | 4.71 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV