John Lackey
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003-03-30 | ANA | vs. TEX | L, 6-3 | 5.0 | 8 | 5 | 5 | 2 | 2 | 24 | 2 | 0 | 2 | 6 | 6 | SP, L |
| 2003-04-06 | ANA | @ OAK | L, 7-6 | 5.0 | 9 | 4 | 4 | 2 | 4 | 26 | 4 | 0 | 0 | 4 | 6 | SP |
| 2003-04-11 | ANA | vs. OAK | W, 9-5 | 5.0 | 5 | 2 | 2 | 4 | 2 | 23 | 1 | 0 | 0 | 2 | 9 | SP, W |
| 2003-04-16 | ANA | @ TEX | W, 9-8 | 6.1 | 9 | 6 | 6 | 3 | 5 | 30 | 2 | 0 | 3 | 6 | 5 | SP |
| 2003-04-22 | ANA | vs. NYY | L, 8-3 | 3.0 | 5 | 7 | 6 | 4 | 3 | 19 | 1 | 0 | 1 | 2 | 4 | SP, L |
| 2003-04-27 | ANA | vs. BOS | L, 6-4 | 7.0 | 9 | 4 | 4 | 4 | 5 | 32 | 1 | 0 | 1 | 7 | 7 | SP |
| 2003-05-02 | ANA | @ TOR | L, 3-1 | 6.0 | 5 | 3 | 3 | 0 | 5 | 24 | 1 | 0 | 1 | 9 | 4 | SP, L |
| 2003-05-07 | ANA | vs. CLE | W, 6-5 | 5.1 | 12 | 5 | 5 | 0 | 6 | 28 | 3 | 0 | 2 | 3 | 7 | SP |
| 2003-05-13 | ANA | @ NYY | W, 10-3 | 6.0 | 4 | 2 | 2 | 1 | 3 | 22 | 1 | 0 | 1 | 6 | 8 | SP, W |
| 2003-05-18 | ANA | @ BOS | L, 5-3 | 6.0 | 9 | 5 | 2 | 0 | 5 | 28 | 2 | 0 | 1 | 3 | 9 | SP, L |
| 2003-05-24 | ANA | vs. TBD | W, 7-2 | 7.0 | 4 | 2 | 2 | 0 | 4 | 27 | 0 | 1 | 0 | 9 | 6 | SP, W |
| 2003-05-30 | ANA | @ TBD | L, 8-6 | 5.2 | 8 | 5 | 5 | 3 | 7 | 27 | 1 | 0 | 0 | 2 | 7 | SP, L |
| 2003-06-05 | ANA | @ MON | L, 8-7 | 6.0 | 7 | 4 | 4 | 1 | 5 | 26 | 0 | 0 | 1 | 6 | 6 | SP |
| 2003-06-10 | ANA | vs. PHI | W, 2-1 | 6.1 | 5 | 1 | 1 | 2 | 8 | 26 | 2 | 0 | 0 | 5 | 5 | SP, W |
| 2003-06-16 | ANA | @ SEA | L, 6-3 | 6.0 | 8 | 4 | 4 | 1 | 4 | 27 | 1 | 0 | 2 | 10 | 4 | SP, L |
| 2003-06-21 | ANA | @ LAD | L, 4-2 | 4.0 | 5 | 4 | 4 | 2 | 3 | 19 | 0 | 0 | 1 | 5 | 1 | SP, L |
| 2003-06-27 | ANA | vs. LAD | W, 3-0 | 7.1 | 5 | 0 | 0 | 1 | 3 | 26 | 1 | 0 | 0 | 10 | 7 | SP, W |
| 2003-07-02 | ANA | vs. TEX | W, 5-0 | 9.0 | 4 | 0 | 0 | 0 | 8 | 31 | 0 | 0 | 0 | 7 | 12 | SP, W, CG, SHO |
| 2003-07-08 | ANA | vs. KCR | L, 4-0 | 7.0 | 6 | 4 | 4 | 2 | 5 | 27 | 1 | 0 | 1 | 6 | 8 | SP, L |
| 2003-07-13 | ANA | vs. MIN | W, 8-3 | 6.0 | 7 | 3 | 3 | 2 | 5 | 25 | 0 | 0 | 1 | 5 | 6 | SP, W |
| 2003-07-20 | ANA | @ BAL | L, 7-6 | 5.0 | 11 | 6 | 6 | 4 | 4 | 29 | 1 | 0 | 0 | 3 | 6 | SP, L |
| 2003-07-25 | ANA | vs. OAK | L, 3-2 | 6.2 | 5 | 0 | 0 | 3 | 5 | 28 | 1 | 0 | 0 | 6 | 9 | SP |
| 2003-07-30 | ANA | vs. NYY | L, 8-0 | 6.2 | 6 | 7 | 7 | 4 | 9 | 29 | 2 | 0 | 1 | 6 | 4 | SP, L |
| 2003-08-05 | ANA | @ BOS | L, 10-9 | 4.0 | 9 | 9 | 9 | 2 | 1 | 23 | 4 | 0 | 2 | 7 | 4 | SP |
| 2003-08-10 | ANA | @ CLE | L, 3-1 | 7.0 | 4 | 3 | 0 | 2 | 6 | 27 | 2 | 0 | 0 | 7 | 6 | SP, L |
| 2003-08-15 | ANA | vs. DET | W, 3-1 | 8.0 | 7 | 1 | 1 | 1 | 7 | 30 | 1 | 0 | 1 | 5 | 8 | SP, W |
| 2003-08-20 | ANA | @ CHW | L, 5-3 | 5.2 | 8 | 4 | 3 | 3 | 3 | 27 | 1 | 0 | 2 | 5 | 7 | SP, L |
| 2003-08-26 | ANA | vs. MIN | L, 3-0 | 8.0 | 10 | 3 | 3 | 1 | 5 | 33 | 1 | 0 | 2 | 9 | 8 | SP, L |
| 2003-09-01 | ANA | @ MIN | W, 10-2 | 7.0 | 5 | 2 | 2 | 3 | 4 | 28 | 1 | 0 | 1 | 7 | 7 | SP, W |
| 2003-09-07 | ANA | vs. KCR | L, 3-0 | 7.0 | 7 | 3 | 2 | 1 | 3 | 30 | 1 | 0 | 2 | 5 | 12 | SP, L |
| 2003-09-12 | ANA | @ SEA | L, 7-4 | 5.0 | 5 | 6 | 3 | 3 | 2 | 24 | 1 | 0 | 2 | 6 | 7 | SP, L |
| 2003-09-19 | ANA | @ TEX | L, 3-2 | 6.0 | 7 | 3 | 3 | 3 | 6 | 28 | 2 | 0 | 0 | 6 | 6 | SP, L |
| 2003-09-24 | ANA | vs. SEA | W, 4-0 | 9.0 | 5 | 0 | 0 | 2 | 4 | 32 | 1 | 0 | 0 | 6 | 15 | SP, W, CG, SHO |
| Total Games: 33 | ||||||||||||||||