Boof Bonser career ERA
5.18Career Regular Season
Boof Bonser has a career ERA of 5.18 over 4 regular seasons.
- Best season on file: 4.22 in 2006.
- Most recent: 6.12 in 2010.
Average of 4 regular seasons, 2006 through 2010. Figures come from ESPN's box scores and were last read on September 23, 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2006 |  MIN | 18 | 7 | 6 | 4.22 | 100.1 | 84 | 24 | 1.28 | 0 |
| 2007 | MIN | 31 | 8 | 12 | 5.10 | 173.0 | 136 | 65 | 1.53 | 0 |
| 2008 | MIN | 47 | 3 | 7 | 5.93 | 118.1 | 97 | 36 | 1.48 | 0 |
| 2010 |  BOS/ATH | 15 | 1 | 0 | 6.12 | 25.0 | 17 | 8 | 1.64 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV