Claudio Vargas
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003-04-26 | MON | vs. HOU | W, 3-2 | 6.0 | 2 | 1 | 1 | 4 | 7 | 24 | 1 | 0 | 1 | 4 | 7 | SP |
| 2003-05-03 | MON | @ STL | L, 3-1 | 6.0 | 6 | 3 | 3 | 0 | 3 | 24 | 2 | 0 | 1 | 7 | 7 | SP, L |
| 2003-05-09 | MON | vs. LAD | L, 9-5 | 5.2 | 7 | 3 | 3 | 3 | 4 | 27 | 2 | 0 | 1 | 6 | 6 | SP |
| 2003-05-14 | MON | @ SFG | W, 6-3 | 8.0 | 5 | 2 | 2 | 3 | 1 | 30 | 0 | 0 | 1 | 8 | 13 | SP, W |
| 2003-05-17 | MON | @ COL | W, 6-4 | 1.2 | 2 | 1 | 1 | 2 | 0 | 8 | 0 | 0 | 0 | 1 | 3 | RP |
| 2003-05-21 | MON | vs. FLA | W, 7-2 | 6.2 | 6 | 2 | 2 | 1 | 3 | 27 | 2 | 0 | 1 | 5 | 11 | SP, W |
| 2003-05-26 | MON | @ FLA | L, 5-1 | 4.0 | 7 | 5 | 5 | 1 | 4 | 19 | 1 | 1 | 2 | 3 | 4 | SP, L |
| 2003-06-01 | MON | @ PHI | L, 4-1 | 5.0 | 5 | 1 | 1 | 2 | 5 | 23 | 1 | 0 | 0 | 3 | 4 | SP |
| 2003-06-07 | MON | vs. TEX | W, 5-4 | 5.0 | 7 | 4 | 0 | 5 | 3 | 28 | 1 | 0 | 0 | 0 | 12 | SP, W |
| 2003-06-12 | MON | @ SEA | L, 1-0 | 6.0 | 4 | 1 | 1 | 2 | 3 | 24 | 0 | 0 | 1 | 3 | 12 | SP, L |
| 2003-06-18 | MON | @ PIT | L, 4-3 | 7.1 | 7 | 2 | 2 | 0 | 5 | 29 | 1 | 1 | 0 | 6 | 10 | SP |
| 2003-06-23 | MON | vs. PIT | W, 3-0 | 8.0 | 3 | 0 | 0 | 1 | 2 | 28 | 1 | 0 | 0 | 7 | 13 | SP, W |
| 2003-06-28 | MON | @ TOR | W, 4-2 | 6.1 | 4 | 2 | 2 | 1 | 4 | 23 | 2 | 0 | 1 | 6 | 8 | SP, W |
| 2003-07-03 | MON | @ ATL | W, 5-4 | 7.1 | 8 | 3 | 3 | 0 | 0 | 29 | 1 | 0 | 1 | 6 | 15 | SP, W |
| 2003-07-08 | MON | vs. PHI | L, 13-6 | 7.0 | 8 | 6 | 6 | 3 | 4 | 33 | 3 | 0 | 2 | 8 | 8 | SP, L |
| 2003-07-13 | MON | vs. FLA | L, 11-4 | 2.2 | 7 | 5 | 5 | 1 | 1 | 16 | 3 | 0 | 1 | 1 | 5 | SP, L |
| 2003-07-20 | MON | @ PHI | L, 3-2 | 6.1 | 6 | 2 | 2 | 2 | 5 | 27 | 4 | 0 | 0 | 6 | 7 | SP, L |
| 2003-07-25 | MON | vs. ATL | W, 9-8 | 6.2 | 10 | 4 | 4 | 0 | 3 | 29 | 5 | 0 | 2 | 8 | 7 | SP |
| 2003-07-30 | MON | vs. STL | L, 11-1 | 0.1 | 3 | 7 | 7 | 3 | 0 | 8 | 2 | 0 | 0 | 0 | 1 | SP, L |
| 2003-08-05 | MON | @ ARI | L, 8-5 | 2.0 | 3 | 5 | 5 | 5 | 1 | 14 | 0 | 0 | 1 | 1 | 4 | SP, L |
| 2003-09-17 | MON | vs. ATL | L, 14-4 | 2.1 | 0 | 0 | 0 | 1 | 2 | 8 | 0 | 0 | 0 | 2 | 3 | RP |
| 2003-09-24 | MON | @ ATL | L, 9-1 | 0.2 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 1 | RP |
| 2003-09-28 | MON | @ CIN | W, 2-1 | 3.0 | 1 | 0 | 0 | 1 | 2 | 11 | 0 | 0 | 0 | 1 | 6 | SP |
| Total Games: 23 | ||||||||||||||||