Andy Pettitte ERA in 2004
3.902004 Regular Season
Andy Pettitte posted a 3.90 ERA in the 2004 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. | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 12, 2004 |  @ NYM | L 2-1 | 3.90 | 5.2 | 4 | 1 | 1 | 4 | 5 | 0 |
| Aug 7, 2004 |  vs WSH | L 8-3 | 4.07 | 5.0 | 6 | 2 | 2 | 0 | 3 | 1 |
| Jul 26, 2004 |  vs ARI | L 4-1 | 4.11 | 5.0 | 3 | 2 | 2 | 0 | 4 | 2 |
| Jul 21, 2004 | @ ARI | W 5-2 | 4.14 | 8.0 | 7 | 2 | 2 | 2 | 7 | 1 |
| Jul 16, 2004 |  vs SD | L 5-1 | 4.40 | 5.0 | 7 | 4 | 4 | 2 | 5 | 0 |
| Jul 9, 2004 |  @ LAD | W 3-2 | 4.14 | 7.0 | 4 | 2 | 2 | 0 | 4 | 1 |
| Jul 4, 2004 |  vs TEX | L 18-3 | 4.37 | 5.0 | 8 | 6 | 6 | 3 | 4 | 1 |
| Jun 29, 2004 |  @ CHC | L 7-5 | 3.61 | 5.0 | 4 | 3 | 3 | 3 | 7 | 1 |
| May 26, 2004 | vs CHC | W 7-3 | 3.38 | 4.0 | 2 | 1 | 1 | 3 | 4 | 0 |
| May 21, 2004 |  @ CIN | L 7-4 | 3.51 | 5.0 | 4 | 2 | 1 | 4 | 9 | 0 |
| May 15, 2004 | vs NYM | W 7-4 | 3.81 | 6.0 | 6 | 4 | 4 | 1 | 8 | 0 |
| May 9, 2004 |  @ ATL | W 2-1 | 3.22 | 6.0 | 2 | 1 | 1 | 4 | 5 | 0 |
| May 4, 2004 |  vs PIT | W 4-3 | 3.86 | 5.0 | 2 | 1 | 1 | 2 | 8 | 1 |
| Apr 29, 2004 | @ PIT | W 2-0 | 4.76 | 6.0 | 1 | 0 | 0 | 1 | 3 | 0 |
| Apr 6, 2004 |  vs SF | L 7-5 | 10.13 | 5.1 | 11 | 6 | 6 | 2 | 3 | 0 |
- 8th-best of Andy Pettitte's 18 seasons on file; the best is 2.39 in 2005.
- Down 0.12 from 4.02 in 2003.
Figures come from ESPN's box scores and were last read on October 29, 2026.