Mark Hamburger ERA in 2011
4.502011 Regular Season
Mark Hamburger posted a 4.50 ERA in the 2011 regular season.
| 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. | H: Times the batter reached base by hitting the ball, without help from an error. | R: Runs — scored by the batter, or allowed by the pitcher. | ER: Earned runs allowed — runs that scored without help from an error. | BB: Times the batter reached first base on four balls. | K: Batters this pitcher struck out. | HR: Home runs hit. | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 26, 2011 |  @ LAA | W 4-3 | 4.50 | 3.2 | 2 | 1 | 1 | 1 | 3 | 0 |
| Sep 10, 2011 |  vs ATH | L 8-7 | 6.23 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sep 5, 2011 |  @ TB | L 5-1 | 6.75 | 1.0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Sep 3, 2011 |  @ BOS | L 12-7 | 9.00 | 2.0 | 3 | 3 | 3 | 1 | 3 | 0 |
| Aug 31, 2011 | vs TB | L 4-1 | 0.00 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
Figures come from ESPN's box scores and were last read on October 31, 2026.