Zach Day
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003-04-02 | MON | @ ATL | W, 3-0 | 7.0 | 3 | 0 | 0 | 2 | 3 | 27 | 1 | 0 | 0 | 14 | 3 | SP, W |
| 2003-04-08 | MON | @ CHC | L, 6-1 | 4.1 | 5 | 5 | 3 | 4 | 1 | 22 | 2 | 0 | 0 | 9 | 1 | SP, L |
| 2003-04-13 | MON | vs. NYM | W, 2-1 | 6.0 | 4 | 1 | 1 | 3 | 4 | 24 | 1 | 0 | 0 | 11 | 1 | SP |
| 2003-04-19 | MON | vs. CIN | W, 8-7 | 7.0 | 7 | 3 | 3 | 1 | 5 | 28 | 1 | 0 | 1 | 11 | 4 | SP |
| 2003-04-25 | MON | vs. HOU | W, 10-2 | 8.1 | 6 | 2 | 2 | 5 | 4 | 37 | 1 | 0 | 0 | 12 | 8 | SP, W |
| 2003-05-01 | MON | @ MIL | W, 5-0 | 9.0 | 3 | 0 | 0 | 1 | 5 | 31 | 0 | 0 | 0 | 20 | 1 | SP, W, CG, SHO |
| 2003-05-07 | MON | vs. SDP | W, 12-9 | 5.0 | 5 | 6 | 6 | 4 | 3 | 23 | 0 | 0 | 1 | 8 | 3 | SP |
| 2003-05-12 | MON | @ SFG | W, 4-3 | 6.0 | 8 | 1 | 1 | 2 | 1 | 27 | 2 | 0 | 0 | 5 | 10 | SP, W |
| 2003-05-17 | MON | @ COL | W, 6-4 | 2.0 | 2 | 0 | 0 | 2 | 0 | 10 | 0 | 0 | 0 | 4 | 2 | SP |
| 2003-05-23 | MON | vs. PHI | L, 4-2 | 5.0 | 8 | 3 | 3 | 6 | 4 | 28 | 2 | 0 | 1 | 8 | 1 | SP, L |
| 2003-05-28 | MON | @ FLA | L, 6-0 | 5.2 | 8 | 6 | 6 | 2 | 0 | 25 | 1 | 1 | 0 | 10 | 5 | SP, L |
| 2003-07-26 | MON | vs. ATL | L, 15-4 | 2.0 | 5 | 6 | 6 | 2 | 0 | 15 | 1 | 1 | 1 | 3 | 3 | SP, L |
| 2003-07-31 | MON | vs. STL | W, 3-2 | 6.0 | 5 | 1 | 1 | 1 | 0 | 24 | 1 | 0 | 0 | 10 | 6 | SP, W |
| 2003-08-06 | MON | @ ARI | L, 3-2 | 6.0 | 9 | 2 | 2 | 1 | 3 | 26 | 1 | 0 | 1 | 9 | 4 | SP |
| 2003-08-11 | MON | vs. COL | W, 3-1 | 6.0 | 5 | 1 | 1 | 4 | 7 | 25 | 3 | 0 | 0 | 4 | 5 | SP, W |
| 2003-08-16 | MON | vs. SFG | W, 4-1 | 7.0 | 4 | 0 | 0 | 2 | 4 | 26 | 1 | 0 | 0 | 11 | 4 | SP, W |
| 2003-08-21 | MON | @ LAD | L, 2-1 | 7.2 | 5 | 2 | 2 | 1 | 3 | 29 | 2 | 0 | 0 | 13 | 6 | SP, L |
| 2003-08-26 | MON | vs. PHI | W, 14-10 | 3.2 | 6 | 6 | 6 | 2 | 3 | 19 | 2 | 0 | 2 | 6 | 2 | SP |
| 2003-08-31 | MON | @ FLA | L, 5-3 | 5.0 | 8 | 5 | 5 | 4 | 1 | 26 | 2 | 0 | 1 | 10 | 3 | SP, L |
| 2003-09-09 | MON | vs. CHC | L, 4-3 | 6.1 | 9 | 4 | 4 | 1 | 1 | 29 | 1 | 0 | 0 | 9 | 7 | SP, L |
| 2003-09-14 | MON | vs. NYM | W, 7-3 | 7.0 | 5 | 3 | 2 | 4 | 2 | 31 | 0 | 0 | 0 | 12 | 6 | SP, W |
| 2003-09-19 | MON | @ NYM | W, 7-1 | 6.0 | 5 | 1 | 1 | 3 | 4 | 28 | 3 | 0 | 0 | 8 | 4 | SP, W |
| 2003-09-24 | MON | @ ATL | L, 9-1 | 3.1 | 7 | 6 | 6 | 2 | 3 | 20 | 4 | 0 | 0 | 5 | 2 | SP, L |
| Total Games: 23 | ||||||||||||||||