Jason Marquis
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003-04-04 | ATL | vs. FLA | W, 12-7 | 5.1 | 7 | 2 | 2 | 3 | 2 | 25 | 0 | 0 | 1 | 5 | 7 | SP |
| 2003-04-08 | ATL | @ PHI | L, 4-3 | 5.0 | 2 | 3 | 2 | 6 | 3 | 25 | 0 | 0 | 0 | 8 | 4 | SP |
| 2003-04-12 | ATL | @ FLA | L, 12-5 | 2.0 | 5 | 5 | 5 | 1 | 1 | 12 | 0 | 0 | 1 | 3 | 2 | RP |
| 2003-06-21 | ATL | vs. BAL | W, 10-2 | 1.0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 1 | 1 | RP |
| 2003-06-22 | ATL | vs. BAL | L, 9-3 | 2.0 | 1 | 2 | 2 | 2 | 2 | 9 | 0 | 1 | 0 | 1 | 3 | RP |
| 2003-06-25 | ATL | vs. PHI | L, 8-1 | 2.0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 4 | 2 | RP |
| 2003-07-28 | ATL | @ MON | W, 10-8 | 0.1 | 1 | 3 | 3 | 2 | 0 | 4 | 0 | 0 | 0 | 1 | 0 | RP |
| 2003-07-30 | ATL | vs. HOU | L, 7-3 | 2.0 | 5 | 2 | 2 | 0 | 1 | 10 | 0 | 0 | 0 | 1 | 3 | RP |
| 2003-08-03 | ATL | vs. LAD | L, 8-4 | 2.0 | 0 | 0 | 0 | 1 | 0 | 7 | 0 | 0 | 0 | 4 | 2 | RP |
| 2003-08-06 | ATL | @ MIL | W, 10-2 | 1.0 | 1 | 0 | 0 | 0 | 2 | 4 | 0 | 0 | 0 | 1 | 0 | RP |
| 2003-08-12 | ATL | vs. SDP | L, 14-4 | 1.2 | 3 | 1 | 1 | 1 | 1 | 9 | 2 | 0 | 0 | 3 | 0 | RP |
| 2003-08-24 | ATL | @ COL | W, 12-6 | 2.0 | 3 | 2 | 2 | 0 | 0 | 9 | 1 | 0 | 0 | 3 | 3 | RP |
| 2003-08-28 | ATL | vs. NYM | L, 3-1 | 0.1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | RP |
| 2003-08-29 | ATL | @ PIT | L, 6-5 | 2.0 | 2 | 0 | 0 | 0 | 0 | 9 | 1 | 0 | 0 | 3 | 3 | RP |
| 2003-09-03 | ATL | @ NYM | L, 9-3 | 1.0 | 3 | 3 | 2 | 0 | 0 | 6 | 2 | 0 | 0 | 2 | 1 | RP |
| 2003-09-09 | ATL | vs. PHI | L, 18-5 | 2.0 | 4 | 3 | 3 | 1 | 0 | 11 | 1 | 0 | 0 | 3 | 3 | RP |
| 2003-09-11 | ATL | vs. PHI | L, 8-3 | 2.0 | 1 | 0 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | 3 | 2 | RP |
| 2003-09-13 | ATL | @ FLA | L, 8-3 | 2.0 | 1 | 0 | 0 | 1 | 2 | 9 | 1 | 0 | 0 | 2 | 2 | RP |
| 2003-09-17 | ATL | @ MON | W, 14-4 | 2.0 | 3 | 1 | 1 | 0 | 0 | 7 | 0 | 0 | 1 | 2 | 2 | RP |
| 2003-09-22 | ATL | vs. FLA | L, 6-3 | 2.0 | 0 | 0 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | 3 | 1 | RP |
| 2003-09-28 | ATL | @ PHI | W, 5-2 | 1.0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | RP, SV |
| Total Games: 21 | ||||||||||||||||