John Thomson ERA in 2001
4.042001 Regular Season
John Thomson posted a 4.04 ERA in the 2001 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. | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 7, 2001 |  @ SD | W 14-5 | 4.04 | 7.0 | 7 | 3 | 3 | 0 | 12 | 0 |
| Sep 30, 2001 |  vs MIL | W 10-0 | 4.05 | 9.0 | 5 | 0 | 0 | 3 | 9 | 0 |
| Sep 24, 2001 | vs SD | W 15-11 | 4.52 | 5.0 | 6 | 4 | 4 | 2 | 4 | 1 |
| Sep 18, 2001 |  vs ARI | W 10-9 | 4.33 | 6.2 | 6 | 9 | 6 | 5 | 2 | 1 |
| Sep 5, 2001 |  vs LAD | L 7-2 | 3.95 | 8.1 | 3 | 2 | 2 | 1 | 5 | 0 |
| Aug 31, 2001 |  @ SF | W 5-2 | 4.21 | 7.1 | 7 | 2 | 2 | 2 | 5 | 1 |
| Aug 25, 2001 | @ MIL | L 5-4 | 4.47 | 6.0 | 6 | 2 | 2 | 4 | 2 | 2 |
| Aug 19, 2001 |  vs MIA | W 6-5 | 4.67 | 7.0 | 6 | 2 | 2 | 0 | 6 | 1 |
| Aug 14, 2001 |  vs ATL | W 5-4 F/10 | 5.06 | 5.1 | 9 | 4 | 4 | 1 | 5 | 1 |
| Aug 8, 2001 |  @ CHC | L 2-1 | 4.78 | 6.0 | 6 | 2 | 1 | 1 | 3 | 0 |
| Aug 2, 2001 |  vs PHI | L 4-2 | 5.54 | 7.0 | 6 | 4 | 4 | 1 | 8 | 1 |
| May 24, 2001 | @ SF | L 5-1 | 5.68 | 6.0 | 6 | 5 | 5 | 2 | 3 | 3 |
| May 19, 2001 | @ MIA | L 1-0 | 4.85 | 7.0 | 4 | 1 | 1 | 2 | 4 | 1 |
| May 12, 2001 |  vs WSH | L 8-4 | 9.00 | 6.0 | 7 | 6 | 6 | 1 | 0 | 3 |
- 3rd-best of John Thomson's 10 seasons on file; the best is 3.38 in 2007.
- Down 4.00 from 8.04 in 1999.
Figures come from ESPN's box scores and were last read on October 28, 2026.