Jason Marquis
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2004-04-06 | STL | vs. MIL | L, 7-5 | 5.1 | 8 | 6 | 6 | 1 | 6 | 25 | 0 | 2 | 2 | 8 | 1 | SP, L |
| 2004-04-11 | STL | @ ARI | W, 6-5 | 6.0 | 4 | 1 | 1 | 2 | 3 | 24 | 0 | 0 | 0 | 9 | 5 | SP |
| 2004-04-17 | STL | vs. COL | W, 8-4 | 7.0 | 8 | 3 | 3 | 2 | 4 | 30 | 1 | 0 | 1 | 9 | 6 | SP, W |
| 2004-04-22 | STL | @ HOU | W, 2-1 | 7.0 | 6 | 1 | 1 | 2 | 4 | 29 | 0 | 0 | 0 | 10 | 6 | SP |
| 2004-04-28 | STL | vs. PHI | L, 6-3 | 6.0 | 5 | 3 | 2 | 5 | 2 | 27 | 1 | 0 | 0 | 7 | 6 | SP |
| 2004-05-03 | STL | vs. CHC | L, 7-3 | 6.1 | 7 | 3 | 3 | 2 | 5 | 27 | 3 | 0 | 1 | 7 | 4 | SP, L |
| 2004-05-08 | STL | @ MON | L, 2-0 | 7.0 | 7 | 2 | 2 | 3 | 3 | 30 | 2 | 0 | 1 | 13 | 4 | SP, L |
| 2004-05-14 | STL | vs. FLA | W, 6-3 | 7.2 | 5 | 2 | 2 | 2 | 2 | 28 | 1 | 0 | 0 | 11 | 8 | SP, W |
| 2004-05-20 | STL | @ NYM | W, 11-4 | 5.0 | 7 | 3 | 3 | 3 | 2 | 26 | 1 | 0 | 1 | 6 | 6 | SP, W |
| 2004-05-26 | STL | vs. PIT | L, 11-8 | 4.0 | 9 | 6 | 6 | 4 | 5 | 24 | 3 | 1 | 0 | 5 | 1 | SP, L |
| 2004-05-31 | STL | @ PIT | W, 8-3 | 7.0 | 10 | 3 | 3 | 1 | 5 | 31 | 2 | 1 | 1 | 8 | 7 | SP, W |
| 2004-06-05 | STL | vs. HOU | W, 10-4 | 5.0 | 10 | 4 | 4 | 1 | 7 | 24 | 3 | 0 | 0 | 4 | 2 | SP, W |
| 2004-06-16 | STL | vs. OAK | W, 6-2 | 7.0 | 5 | 2 | 2 | 1 | 5 | 27 | 0 | 0 | 2 | 10 | 6 | SP, W |
| 2004-06-22 | STL | vs. CHC | L, 5-4 | 7.1 | 6 | 4 | 4 | 2 | 8 | 29 | 1 | 0 | 2 | 8 | 4 | SP |
| 2004-06-27 | STL | @ KCR | W, 10-3 | 5.0 | 7 | 3 | 2 | 1 | 4 | 27 | 1 | 0 | 0 | 4 | 7 | SP, W |
| 2004-07-03 | STL | vs. SEA | W, 8-1 | 6.0 | 4 | 1 | 1 | 1 | 6 | 23 | 0 | 0 | 1 | 10 | 2 | SP, W |
| 2004-07-09 | STL | vs. CHC | W, 6-1 | 8.0 | 9 | 1 | 1 | 2 | 2 | 32 | 0 | 0 | 1 | 13 | 6 | SP, W |
| 2004-07-17 | STL | @ CIN | L, 7-5 | 5.0 | 9 | 4 | 4 | 2 | 4 | 25 | 1 | 0 | 2 | 4 | 5 | SP |
| 2004-07-22 | STL | vs. MIL | W, 4-0 | 8.0 | 9 | 0 | 0 | 1 | 2 | 32 | 0 | 0 | 0 | 16 | 4 | SP, W |
| 2004-07-27 | STL | @ CIN | W, 6-0 | 7.0 | 3 | 0 | 0 | 3 | 6 | 26 | 1 | 0 | 0 | 8 | 6 | SP, W |
| 2004-08-03 | STL | vs. MON | L, 10-6 | 5.2 | 9 | 4 | 4 | 1 | 1 | 27 | 3 | 0 | 1 | 8 | 8 | SP |
| 2004-08-08 | STL | vs. NYM | W, 6-2 | 6.0 | 5 | 1 | 1 | 3 | 6 | 26 | 2 | 0 | 0 | 6 | 6 | SP, W |
| 2004-08-14 | STL | @ ATL | L, 9-7 | 5.0 | 10 | 6 | 6 | 0 | 5 | 25 | 1 | 0 | 4 | 5 | 4 | SP |
| 2004-08-19 | STL | vs. PIT | L, 3-2 | 8.0 | 5 | 2 | 2 | 2 | 6 | 31 | 1 | 0 | 0 | 11 | 6 | SP |
| 2004-08-24 | STL | @ CIN | L, 4-3 | 7.0 | 5 | 3 | 3 | 5 | 4 | 32 | 1 | 0 | 1 | 13 | 3 | SP |
| 2004-08-29 | STL | @ PIT | W, 4-0 | 7.1 | 4 | 0 | 0 | 4 | 3 | 29 | 0 | 0 | 0 | 9 | 7 | SP, W |
| 2004-09-04 | STL | vs. LAD | W, 5-1 | 7.0 | 8 | 0 | 0 | 0 | 9 | 27 | 0 | 0 | 0 | 6 | 4 | SP, W |
| 2004-09-10 | STL | @ LAD | L, 7-6 | 6.0 | 7 | 5 | 5 | 3 | 7 | 26 | 0 | 0 | 3 | 5 | 4 | SP |
| 2004-09-16 | STL | vs. HOU | L, 8-3 | 6.0 | 5 | 7 | 4 | 3 | 2 | 28 | 2 | 0 | 1 | 9 | 6 | SP, L |
| 2004-09-21 | STL | @ MIL | L, 6-4 | 5.0 | 8 | 4 | 3 | 1 | 3 | 24 | 2 | 0 | 0 | 9 | 2 | SP, L |
| 2004-09-26 | STL | @ COL | W, 9-3 | 7.0 | 6 | 3 | 2 | 2 | 4 | 30 | 0 | 0 | 1 | 13 | 3 | SP, W |
| 2004-10-02 | STL | vs. MIL | L, 5-1 | 4.2 | 5 | 3 | 3 | 5 | 3 | 23 | 3 | 0 | 0 | 6 | 4 | SP, L |
| 2004-10-07 | STL | vs. LAD | W, 8-3 | 3.1 | 4 | 3 | 3 | 4 | 0 | 17 | 0 | 0 | 3 | 3 | 6 | SP |
| 2004-10-17 | STL | @ HOU | L, 6-5 | 4.0 | 5 | 3 | 3 | 2 | 2 | 19 | 2 | 0 | 0 | 4 | 6 | SP |
| 2004-10-24 | STL | @ BOS | L, 6-2 | 1.0 | 0 | 0 | 0 | 2 | 0 | 5 | 0 | 0 | 0 | 0 | 3 | RP |
| 2004-10-27 | STL | vs. BOS | L, 3-0 | 6.0 | 6 | 3 | 3 | 5 | 4 | 29 | 3 | 1 | 1 | 6 | 6 | SP, L |
| Total Games: 36 | ||||||||||||||||