John Halama ERA in 2003
4.222003 Regular Season
John Halama posted a 4.22 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 |  @ SEA | L 9-3 | 4.22 | 1.0 | 3 | 1 | 1 | 0 | 1 | 0 |
| Sep 24, 2003 |  vs TEX | W 5-3 | 4.18 | 1.0 | 1 | 1 | 1 | 0 | 1 | 1 |
| Sep 14, 2003 | @ TEX | W 6-5 | 4.13 | 1.1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Sep 10, 2003 |  vs LAA | W 3-0 | 4.19 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sep 8, 2003 | vs LAA | L 3-1 | 4.20 | 0.2 | 2 | 0 | 0 | 1 | 0 | 0 |
| Sep 4, 2003 |  @ BAL | L 7-5 | 4.23 | 4.1 | 7 | 6 | 5 | 2 | 1 | 0 |
| Aug 28, 2003 | vs BAL | W 6-4 | 3.96 | 6.2 | 6 | 2 | 2 | 2 | 0 | 1 |
| Aug 23, 2003 |  @ TOR | W 11-5 | 4.05 | 4.0 | 6 | 3 | 3 | 3 | 2 | 0 |
| Aug 20, 2003 |  @ BOS | W 8-6 | 3.93 | 0.2 | 2 | 0 | 0 | 0 | 0 | 0 |
| Aug 15, 2003 | vs TOR | L 8-5 | 3.96 | 4.0 | 3 | 2 | 2 | 1 | 2 | 1 |
| Aug 14, 2003 | vs BOS | L 4-2 F/10 | 3.93 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Aug 10, 2003 |  @ CHW | L 5-1 | 3.95 | 2.0 | 2 | 1 | 1 | 0 | 1 | 1 |
| Aug 6, 2003 |  @ DET | W 9-3 | 3.94 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Aug 2, 2003 |  vs NYY | L 10-7 | 3.98 | 4.0 | 2 | 2 | 2 | 0 | 3 | 2 |
| Jul 26, 2003 | @ LAA | W 8-1 | 3.96 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Jul 22, 2003 |  @ KC | W 10-0 | 4.01 | 2.0 | 2 | 0 | 0 | 1 | 2 | 0 |
| Jul 12, 2003 | vs BAL | W 5-3 | 4.12 | 5.0 | 6 | 3 | 1 | 0 | 3 | 0 |
| Jul 8, 2003 |  vs TB | L 9-3 | 4.28 | 2.2 | 3 | 1 | 0 | 0 | 1 | 0 |
| Jul 5, 2003 | vs LAA | L 6-3 | 4.46 | 3.1 | 2 | 1 | 1 | 0 | 2 | 1 |
| Jul 2, 2003 | vs SEA | L 13-0 | 4.55 | 2.2 | 6 | 4 | 4 | 1 | 0 | 1 |
| Jun 26, 2003 | @ TEX | W 13-0 | 4.15 | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Jun 22, 2003 |  vs SF | W 6-5 | 4.22 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jun 14, 2003 |  vs WSH | W 5-4 | 4.30 | 3.1 | 1 | 0 | 0 | 2 | 2 | 0 |
| Jun 11, 2003 |  vs ATL | L 11-6 | 4.55 | 3.0 | 2 | 1 | 1 | 1 | 0 | 0 |
| Jun 8, 2003 |  @ PHI | L 8-3 | 4.64 | 3.0 | 3 | 2 | 2 | 1 | 1 | 1 |
| Jun 3, 2003 |  @ MIA | L 13-2 | 4.56 | 2.1 | 3 | 4 | 0 | 1 | 1 | 1 |
| May 28, 2003 |  @ MIN | L 6-5 | 4.79 | 4.0 | 5 | 6 | 5 | 0 | 5 | 3 |
| May 22, 2003 | vs MIN | L 6-5 | 4.19 | 6.0 | 8 | 5 | 5 | 4 | 3 | 1 |
| May 17, 2003 |  @ CLE | L 4-2 | 3.65 | 6.0 | 4 | 2 | 2 | 1 | 2 | 1 |
| May 8, 2003 | vs CHW | W 8-5 | 3.77 | 6.1 | 7 | 2 | 2 | 2 | 4 | 1 |
| May 1, 2003 | @ CHW | L 7-5 | 4.01 | 3.1 | 9 | 6 | 4 | 1 | 3 | 1 |
| Apr 26, 2003 | vs CLE | W 6-3 | 2.95 | 6.1 | 2 | 3 | 1 | 4 | 4 | 0 |
| Apr 17, 2003 | @ SEA | L 4-3 F/10 | 3.60 | 4.1 | 7 | 3 | 3 | 4 | 1 | 0 |
| Apr 12, 2003 | @ LAA | L 9-4 | 2.53 | 5.0 | 5 | 6 | 3 | 2 | 2 | 1 |
| Apr 5, 2003 | vs LAA | W 4-2 | 0.00 | 5.2 | 5 | 1 | 0 | 2 | 3 | 0 |
- 2nd-best of John Halama's 9 seasons on file; the best is 3.56 in 2002.
- Up 0.66 from 3.56 in 2002.
Figures come from ESPN's box scores and were last read on October 28, 2026.