Andy Pettitte ERA in 2003
4.022003 Regular Season
Andy Pettitte posted a 4.02 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. | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 26, 2003 |  vs BAL | W 11-2 | 4.02 | 5.0 | 6 | 1 | 0 | 1 | 3 | 0 |
| Sep 20, 2003 |  @ TB | W 7-1 | 4.12 | 7.0 | 8 | 1 | 1 | 1 | 9 | 0 |
| Sep 15, 2003 | @ BAL | W 13-1 | 4.22 | 6.0 | 7 | 1 | 1 | 2 | 2 | 0 |
| Sep 10, 2003 |  vs DET | W 15-5 | 4.30 | 6.0 | 3 | 4 | 2 | 3 | 7 | 0 |
| Sep 5, 2003 |  vs BOS | L 9-3 | 4.35 | 2.1 | 9 | 8 | 8 | 3 | 5 | 0 |
| Aug 30, 2003 | @ BOS | W 10-7 | 4.01 | 7.0 | 7 | 4 | 3 | 0 | 7 | 1 |
| Aug 25, 2003 | vs BAL | W 5-2 | 4.01 | 6.2 | 10 | 1 | 1 | 1 | 6 | 0 |
| Aug 19, 2003 |  vs KC | W 6-3 | 4.12 | 6.2 | 8 | 3 | 1 | 0 | 6 | 0 |
| Aug 14, 2003 | @ BAL | W 8-5 | 4.23 | 6.0 | 11 | 5 | 5 | 3 | 2 | 2 |
| Aug 9, 2003 |  vs SEA | L 2-1 | 4.10 | 9.0 | 5 | 2 | 2 | 1 | 5 | 0 |
| Aug 3, 2003 |  @ ATH | L 2-1 | 4.23 | 8.0 | 1 | 1 | 1 | 2 | 6 | 0 |
| Jul 29, 2003 |  @ LAA | W 6-2 | 4.41 | 8.0 | 9 | 2 | 2 | 0 | 9 | 1 |
| Jul 23, 2003 | vs BAL | W 4-2 | 4.55 | 7.0 | 5 | 2 | 2 | 2 | 6 | 1 |
| Jul 17, 2003 |  vs CLE | W 5-4 | 4.66 | 7.0 | 7 | 4 | 4 | 1 | 6 | 1 |
| Jul 11, 2003 |  @ TOR | W 8-5 | 4.63 | 7.0 | 9 | 5 | 5 | 3 | 5 | 2 |
| Jul 6, 2003 | vs BOS | W 7-1 | 4.51 | 8.0 | 4 | 1 | 1 | 0 | 10 | 1 |
| Jun 30, 2003 | @ BAL | W 6-5 | 4.78 | 6.0 | 10 | 4 | 3 | 3 | 2 | 1 |
| Jun 25, 2003 | @ TB | W 8-5 | 4.80 | 7.1 | 10 | 5 | 5 | 1 | 6 | 1 |
| Jun 20, 2003 |  @ NYM | W 5-0 | 4.69 | 7.0 | 5 | 0 | 0 | 2 | 8 | 0 |
| Jun 14, 2003 |  vs STL | W 13-4 | 5.09 | 7.0 | 5 | 2 | 2 | 1 | 8 | 1 |
| Jun 8, 2003 |  @ CHC | L 8-7 | 5.33 | 1.2 | 6 | 6 | 6 | 1 | 1 | 2 |
| Jun 3, 2003 |  @ CIN | L 4-3 | 4.71 | 7.0 | 5 | 3 | 2 | 1 | 9 | 0 |
| May 27, 2003 | vs BOS | W 11-3 | 4.93 | 7.2 | 5 | 2 | 2 | 1 | 6 | 0 |
| May 22, 2003 | vs TOR | L 8-3 | 5.28 | 3.2 | 9 | 7 | 7 | 1 | 5 | 2 |
| May 17, 2003 |  vs TEX | L 5-2 | 4.47 | 7.0 | 8 | 5 | 2 | 0 | 7 | 0 |
| May 11, 2003 | @ ATH | L 5-2 | 4.75 | 6.2 | 8 | 5 | 5 | 2 | 3 | 3 |
| May 6, 2003 | @ SEA | L 12-7 | 4.43 | 4.1 | 9 | 8 | 4 | 3 | 1 | 0 |
| Apr 30, 2003 | vs SEA | W 8-5 | 3.96 | 7.0 | 4 | 1 | 0 | 2 | 8 | 0 |
| Apr 24, 2003 | @ LAA | L 6-2 | 4.91 | 5.0 | 8 | 6 | 6 | 3 | 3 | 2 |
| Apr 19, 2003 |  @ MIN | W 4-2 | 3.70 | 7.1 | 6 | 2 | 2 | 2 | 7 | 0 |
| Apr 14, 2003 | vs TOR | W 10-9 | 4.24 | 4.1 | 9 | 5 | 5 | 0 | 3 | 0 |
| Apr 8, 2003 | vs MIN | W 7-3 | 2.13 | 5.2 | 5 | 3 | 3 | 3 | 2 | 0 |
| Apr 1, 2003 | @ TOR | W 10-1 | 0.00 | 7.0 | 6 | 0 | 0 | 1 | 7 | 0 |
- 10th-best of Andy Pettitte's 18 seasons on file; the best is 2.39 in 2005.
- Up 0.75 from 3.27 in 2002.
Figures come from ESPN's box scores and were last read on October 28, 2026.