Collin Balester career ERA
5.47Career Regular Season
Collin Balester has a career ERA of 5.47 over 6 regular seasons.
- Best season on file: 2.57 in 2010.
- Most recent: 7.47 in 2015.
Average of 6 regular seasons, 2008 through 2015. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2008 |  WSH | 15 | 3 | 7 | 5.51 | 80.0 | 50 | 28 | 1.50 | 0 |
| 2009 | WSH | 7 | 1 | 4 | 6.82 | 30.1 | 20 | 14 | 1.58 | 0 |
| 2010 | WSH | 17 | 0 | 1 | 2.57 | 21.0 | 28 | 11 | 1.24 | 0 |
| 2011 | WSH | 23 | 1 | 4 | 4.54 | 35.2 | 34 | 14 | 1.46 | 0 |
| 2012 |  DET | 11 | 2 | 0 | 6.50 | 18.0 | 12 | 11 | 1.39 | 0 |
| 2015 |  CIN | 15 | 1 | 1 | 7.47 | 15.2 | 13 | 13 | 1.91 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV