Mark Corey ERA in 2004
4.542004 Regular Season
Mark Corey posted a 4.54 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. | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2004 |  @ CIN | L 5-1 | 4.54 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sep 29, 2004 |  @ PHI | L 8-4 | 4.67 | 1.0 | 1 | 0 | 0 | 0 | 2 | 0 |
| Sep 25, 2004 | vs CIN | L 7-4 | 4.81 | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Sep 24, 2004 | vs CIN | L 14-8 | 4.96 | 2.0 | 3 | 2 | 2 | 0 | 4 | 0 |
| Sep 23, 2004 |  vs CHC | L 6-3 | 4.70 | 0.1 | 0 | 0 | 0 | 1 | 0 | 0 |
| Sep 21, 2004 | vs CHC | L 5-4 F/10 | 4.75 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sep 18, 2004 |  vs NYM | L 8-7 F/10 | 4.91 | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Sep 15, 2004 | @ CHC | L 13-5 | 5.08 | 1.0 | 5 | 4 | 4 | 1 | 1 | 1 |
| Sep 13, 2004 | @ CHC | L 7-2 | 3.95 | 2.0 | 1 | 1 | 0 | 1 | 1 | 0 |
| Sep 12, 2004 |  vs HOU | L 5-4 F/10 | 4.26 | 1.0 | 1 | 0 | 0 | 1 | 0 | 0 |
| Sep 9, 2004 | vs HOU | L 9-2 | 4.44 | 2.0 | 1 | 1 | 0 | 1 | 2 | 0 |
| Aug 29, 2004 |  vs STL | L 4-0 | 4.84 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Aug 27, 2004 | vs STL | L 8-5 | 5.06 | 3.0 | 3 | 1 | 1 | 0 | 1 | 0 |
| Aug 22, 2004 | @ STL | L 11-4 | 5.40 | 0.1 | 1 | 1 | 1 | 2 | 1 | 0 |
| Aug 21, 2004 | @ STL | L 10-6 | 5.00 | 2.0 | 2 | 1 | 1 | 0 | 1 | 1 |
| Aug 18, 2004 |  @ ARI | L 6-3 | 5.06 | 2.0 | 1 | 0 | 0 | 1 | 2 | 0 |
| Aug 17, 2004 | @ ARI | W 7-1 | 5.79 | 1.0 | 1 | 0 | 0 | 1 | 2 | 0 |
| Jul 6, 2004 |  @ MIA | L 6-3 | 6.23 | 0.1 | 1 | 3 | 3 | 3 | 0 | 0 |
| Jul 2, 2004 |  vs MIL | W 8-1 | 4.26 | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 |
| Jun 29, 2004 | vs STL | W 3-0 | 4.63 | 1.0 | 0 | 0 | 0 | 1 | 2 | 0 |
| Jun 27, 2004 | @ CIN | W 14-4 | 5.06 | 0.1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Jun 26, 2004 | @ CIN | W 1-0 | 5.23 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jun 25, 2004 | @ CIN | L 6-4 | 5.79 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Jun 18, 2004 |  vs SEA | L 5-4 | 6.48 | 0.1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Jun 12, 2004 |  @ ATH | L 12-11 | 5.63 | 0.2 | 2 | 1 | 1 | 2 | 0 | 0 |
| Jun 11, 2004 | @ ATH | L 6-1 | 4.91 | 0.1 | 1 | 0 | 0 | 2 | 1 | 0 |
| Jun 10, 2004 |  @ TEX | L 9-7 | 5.14 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Jun 7, 2004 | @ TEX | L 6-5 F/10 | 6.00 | 0.2 | 1 | 0 | 0 | 1 | 1 | 0 |
| Jun 5, 2004 | @ CHC | L 6-1 | 6.75 | 1.0 | 4 | 3 | 3 | 0 | 0 | 1 |
| Jun 3, 2004 | vs STL | L 4-2 | 2.08 | 1.0 | 2 | 1 | 1 | 1 | 0 | 0 |
| May 31, 2004 | vs STL | L 8-3 | 0.00 | 3.1 | 2 | 0 | 0 | 0 | 3 | 0 |
- Mark Corey's best regular season for ERA in 4 seasons on file.
- Down 0.80 from 5.34 in 2003.
Figures come from ESPN's box scores and were last read on November 7, 2026.