Roy Halladay ERA in 2011
2.352011 Regular Season
Roy Halladay posted a 2.35 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 25, 2011 |  @ NYM | W 9-4 | 2.35 | 6.0 | 4 | 0 | 0 | 1 | 3 | 0 |
| Sep 19, 2011 |  vs STL | L 4-3 | 2.41 | 8.0 | 6 | 4 | 4 | 4 | 6 | 1 |
| Sep 14, 2011 |  @ HOU | W 1-0 | 2.34 | 9.0 | 6 | 0 | 0 | 1 | 7 | 0 |
| Sep 9, 2011 |  @ MIL | W 5-3 | 2.44 | 8.0 | 4 | 1 | 1 | 3 | 9 | 0 |
| Sep 4, 2011 |  @ MIA | L 5-4 F/14 | 2.49 | 6.0 | 9 | 3 | 2 | 1 | 4 | 0 |
| Aug 30, 2011 |  @ CIN | W 9-0 | 2.47 | 7.0 | 2 | 0 | 0 | 2 | 9 | 0 |
| Aug 21, 2011 |  @ WSH | L 5-4 F/10 | 2.56 | 5.0 | 7 | 2 | 2 | 0 | 5 | 0 |
| Aug 16, 2011 |  vs ARI | L 3-2 | 2.53 | 9.0 | 8 | 3 | 3 | 1 | 14 | 0 |
| Aug 8, 2011 |  @ LAD | W 5-3 | 2.51 | 6.1 | 9 | 1 | 1 | 2 | 4 | 0 |
| Aug 3, 2011 |  @ COL | W 8-6 | 2.55 | 7.0 | 8 | 5 | 4 | 1 | 7 | 0 |
| Jul 29, 2011 |  vs PIT | W 10-3 | 2.44 | 7.0 | 1 | 0 | 0 | 0 | 5 | 0 |
| Jul 24, 2011 |  vs SD | W 5-3 | 2.55 | 8.0 | 8 | 3 | 2 | 1 | 8 | 0 |
| Jul 18, 2011 |  @ CHC | L 6-1 | 2.57 | 4.0 | 7 | 3 | 3 | 1 | 1 | 1 |
| Jul 8, 2011 |  vs ATL | W 3-2 F/10 | 2.45 | 7.0 | 6 | 2 | 2 | 0 | 7 | 0 |
| Jul 2, 2011 |  @ TOR | W 5-3 | 2.44 | 9.0 | 8 | 3 | 3 | 1 | 8 | 1 |
| Jun 26, 2011 |  vs ATH | W 3-1 | 2.40 | 9.0 | 8 | 1 | 1 | 0 | 4 | 0 |
| Jun 21, 2011 | @ STL | W 10-2 | — | 6.0 | 4 | 1 | 1 | 2 | 5 | 0 |
| Jun 15, 2011 | vs MIA | W 5-4 F/10 | 2.56 | 7.0 | 6 | 4 | 4 | 0 | 8 | 1 |
| Jun 10, 2011 | vs CHC | W 7-5 | 2.39 | 7.0 | 6 | 0 | 0 | 0 | 9 | 0 |
| Jun 5, 2011 | @ PIT | W 7-3 | 2.56 | 7.0 | 6 | 2 | 2 | 1 | 6 | 1 |
| May 30, 2011 | @ WSH | W 5-4 | 2.56 | 7.0 | 10 | 4 | 4 | 0 | 5 | 3 |
| May 25, 2011 | vs CIN | W 5-4 F/19 | 2.35 | 7.0 | 11 | 3 | 3 | 1 | 6 | 0 |
| May 20, 2011 |  vs TEX | W 3-2 | 2.21 | 8.0 | 6 | 2 | 2 | 1 | 7 | 0 |
| May 15, 2011 | @ ATL | L 3-2 | 2.21 | 8.0 | 8 | 3 | 3 | 2 | 7 | 1 |
| May 10, 2011 | @ MIA | L 2-1 | 2.05 | 8.0 | 5 | 2 | 1 | 2 | 9 | 0 |
| May 5, 2011 | vs WSH | W 7-3 | 2.19 | 7.0 | 6 | 2 | 2 | 0 | 10 | 0 |
| Apr 30, 2011 | vs NYM | W 2-1 | 2.14 | 9.0 | 7 | 1 | 1 | 1 | 8 | 0 |
| Apr 24, 2011 | @ SD | W 3-1 | 2.41 | 8.2 | 5 | 1 | 1 | 1 | 14 | 0 |
| Apr 19, 2011 | vs MIL | L 9-0 | 2.83 | 6.2 | 10 | 6 | 6 | 2 | 3 | 1 |
| Apr 13, 2011 | @ WSH | W 3-2 | 1.23 | 9.0 | 6 | 2 | 2 | 2 | 9 | 0 |
| Apr 7, 2011 | vs NYM | W 11-0 | 0.69 | 7.0 | 6 | 0 | 0 | 1 | 7 | 0 |
| Apr 1, 2011 | vs HOU | W 5-4 | 1.50 | 6.0 | 5 | 1 | 1 | 0 | 6 | 0 |
- 2nd-best of Roy Halladay's 16 seasons on file; the best is 1.93 in 1998.
- Down 0.09 from 2.44 in 2010.
Figures come from ESPN's box scores and were last read on November 9, 2026.