Bruce Chen ERA in 2003
5.552003 Regular Season
Bruce Chen posted a 5.55 ERA in the 2003 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. | |||
|---|---|---|---|---|---|---|---|---|---|---|
| May 27, 2003 |  @ NYY | L 11-3 | 5.55 | 5.0 | 5 | 4 | 4 | 1 | 3 | 3 |
| May 20, 2003 | vs NYY | W 10-7 | 5.12 | 4.0 | 4 | 3 | 2 | 1 | 2 | 1 |
| May 17, 2003 |  vs LAA | L 6-2 | 5.28 | 0.1 | 1 | 0 | 0 | 0 | 1 | 0 |
| May 15, 2003 |  vs TEX | W 12-3 | 5.40 | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 |
| May 11, 2003 |  @ MIN | L 9-8 | 5.79 | 2.0 | 2 | 1 | 1 | 0 | 4 | 0 |
| May 2, 2003 |  vs MIA | W 4-3 | 6.00 | 0.2 | 0 | 0 | 0 | 1 | 0 | 0 |
| Apr 30, 2003 |  vs ATL | L 11-1 | 6.35 | 2.0 | 2 | 1 | 1 | 1 | 3 | 1 |
| Apr 27, 2003 |  @ WSH | W 6-3 | 6.75 | 0.0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Apr 24, 2003 |  @ NYM | L 7-4 | 6.75 | 0.2 | 2 | 1 | 1 | 0 | 0 | 0 |
| Apr 23, 2003 | @ NYM | L 4-2 | 6.23 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Apr 17, 2003 |  @ MIL | L 4-2 | 7.04 | 1.0 | 1 | 1 | 1 | 1 | 0 | 1 |
| Apr 15, 2003 |  @ SF | L 8-4 | 6.75 | 1.0 | 2 | 1 | 1 | 1 | 0 | 0 |
| Apr 12, 2003 |  vs STL | L 3-0 | 6.35 | 2.0 | 1 | 0 | 0 | 3 | 1 | 0 |
| Apr 5, 2003 | @ STL | W 2-1 | 9.82 | 0.2 | 0 | 0 | 0 | 0 | 1 | 0 |
| Apr 3, 2003 |  vs COL | L 10-5 | 12.00 | 2.2 | 3 | 2 | 2 | 0 | 3 | 0 |
| Apr 1, 2003 | vs COL | W 10-4 | 54.00 | 0.1 | 3 | 2 | 2 | 0 | 0 | 0 |
- 11th-best of Bruce Chen's 17 seasons on file; the best is 3.02 in 2004.
- Down 0.01 from 5.56 in 2002.
Figures come from ESPN's box scores and were last read on November 1, 2026.