| Primary | ||||||||||||
| Date | # | Opp | Score | Inn | Starter | T | W/L | Save | Versus | T | ||
| 3/1/2003 | OTR | W | 5-4 | Mussina | R | Gaudin | Loaiza | R | ||||
| 3/4/2003 | @ | LON | W | 4-3 | Hudson | R | Gaudin | Pavano | R | |||
| 3/5/2003 | @ | CCL | L | 2-8 | Colon | R | Colon | Williams | R | |||
| 3/6/2003 | MAD | L | 2-4 | Buehrle | L | Buehrle | Ortiz | R | ||||
| 3/7/2003 | Pal | W | 7-1 | Mussina | R | Mussina | Hampton | L | ||||
| 3/8/2003 | LON | W | 5-0 | Hudson | R | Hudson | Mahay | Penny | R | |||
| 3/9/2003 | CCL | L | 3-6 | Colon | R | Colon | Wolf | L | ||||
| 3/10/2003 | @ | MAD | W | 4-2 | Buehrle | L | Buehrle | Gaudin | Willis | L | ||
| 3/11/2003 | @ | Pal | W | 9-7 | 14 | Weaver | R | Lopez | Soriano | Miller | R | |
| 3/12/2003 | @ | WIZ | W | 6-0 | Mussina | R | Mussina | Villone | L | |||
| 3/13/2003 | @ | BT | W | 5-0 | Hudson | R | Hudson | Hernandez | R | |||
| 3/14/2003 | MUL | W | 3-2 | Colon | R | Colon | Gaudin | Morris | R | |||
| 3/15/2003 | TON | W | 7-6 | Buehrle | L | Buehrle | Mahay | Sheets | R | |||
| 3/16/2003 | WIZ | L | 4-6 | Weaver | R | Weaver | Day | R | ||||
| 3/17/2003 | BT | W | 8-7 | Mussina | R | Mahay | Gaudin | Oswalt | R | |||
| 3/18/2003 | @ | MUL | L | 4-5 | Hudson | R | Hudson | Wood | R | |||
| 3/19/2003 | @ | TON | W | 4-3 | 11 | Colon | R | Gaudin | Lawrence | R | ||
| 3/20/2003 | @ | MID | W | 4-2 | Buehrle | L | Buehrle | Soriano | Hernandez | R | ||
| 3/21/2003 | @ | CRH | L | 4-7 | Weaver | R | Weaver | Affeldt | L | |||
| 3/22/2003 | COP | W | 11-5 | Mussina | R | Mussina | Brown | R | ||||
| 3/23/2003 | EDG | L | 3-9 | Hudson | R | Hudson | Schilling | R | ||||
| 3/24/2003 | MID | L | 3-6 | Colon | R | Colon | Gonzalez | R | ||||
| 3/25/2003 | CRH | W | 6-4 | Buehrle | L | Buehrle | Soriano | Mulder | L | |||
| 3/26/2003 | @ | COP | W | 9-7 | Weaver | R | Gaudin | Mahay | Garland | R | ||
| 3/27/2003 | @ | EDG | W | 10-4 | Mussina | R | Mussina | Lopez | R | |||
| 3/29/2003 | @ | ROK | W | 2-1 | Hudson | R | Hudson | Gaudin | Halladay | R | ||
| 3/30/2003 | BON | W | 5-3 | Colon | R | Colon | Gaudin | Lowe | R | |||
| 3/31/2003 | @ | OTR | W | 12-1 | Buehrle | L | Buehrle | Lilly | L | |||
| 4/1/2003 | ROK | L | 8-9 | Mussina | R | Mussina | Shields | R | ||||
| 4/2/2003 | @ | BON | W | 6-5 | 10 | Hudson | R | Lopez | Mahay | Meche | R | |
| Other | |||||||||||||
| Cumulative | |||||||||||||
| Date | # | Opp | GWRBI | RF | RA | W | L | Pct | Last10 | Strk | Gm# | ||
| 3/1/2003 | OTR | W | Edmonds | 5 | 4 | 1 | 0 | 1.000 | 1-0 | W1 | 1 | ||
| 3/4/2003 | @ | LON | W | Huff | 4 | 3 | 2 | 0 | 1.000 | 2-0 | W2 | 2 | |
| 3/5/2003 | @ | CCL | L | 2 | 8 | 2 | 1 | .667 | 2-1 | L1 | 3 | ||
| 3/6/2003 | MAD | L | 2 | 4 | 2 | 2 | .500 | 2-2 | L2 | 4 | |||
| 3/7/2003 | Pal | W | Hairston | 7 | 1 | 3 | 2 | .600 | 3-2 | W1 | 5 | ||
| 3/8/2003 | LON | W | LeCroy | 5 | 0 | 4 | 2 | .667 | 4-2 | W2 | 6 | ||
| 3/9/2003 | CCL | L | 3 | 6 | 4 | 3 | .571 | 4-3 | L1 | 7 | |||
| 3/10/2003 | @ | MAD | W | Mientkiewicz | 4 | 2 | 5 | 3 | .625 | 5-3 | W1 | 8 | |
| 3/11/2003 | @ | Pal | W | Edmonds | 9 | 7 | 6 | 3 | .667 | 6-3 | W2 | 9 | |
| 3/12/2003 | @ | WIZ | W | 6 | 0 | 7 | 3 | .700 | 7-3 | W3 | 10 | ||
| 3/13/2003 | @ | BT | W | Wells | 5 | 0 | 8 | 3 | .727 | 7-3 | W4 | 11 | |
| 3/14/2003 | MUL | W | 3 | 2 | 9 | 3 | .750 | 7-3 | W5 | 12 | |||
| 3/15/2003 | TON | W | Wells | 7 | 6 | 10 | 3 | .769 | 8-2 | W6 | 13 | ||
| 3/16/2003 | WIZ | L | 4 | 6 | 10 | 4 | .714 | 8-2 | L1 | 14 | |||
| 3/17/2003 | BT | W | Griffey | 8 | 7 | 11 | 4 | .733 | 8-2 | W1 | 15 | ||
| 3/18/2003 | @ | MUL | L | 4 | 5 | 11 | 5 | .688 | 7-3 | L1 | 16 | ||
| 3/19/2003 | @ | TON | W | 4 | 3 | 12 | 5 | .706 | 8-2 | W1 | 17 | ||
| 3/20/2003 | @ | MID | W | Ordonez | 4 | 2 | 13 | 5 | .722 | 8-2 | W2 | 18 | |
| 3/21/2003 | @ | CRH | L | 4 | 7 | 13 | 6 | .684 | 7-3 | L1 | 19 | ||
| 3/22/2003 | COP | W | Hudson | 11 | 5 | 14 | 6 | .700 | 7-3 | W1 | 20 | ||
| 3/23/2003 | EDG | L | 3 | 9 | 14 | 7 | .667 | 6-4 | L1 | 21 | |||
| 3/24/2003 | MID | L | 3 | 6 | 14 | 8 | .636 | 5-5 | L2 | 22 | |||
| 3/25/2003 | CRH | W | Hairston | 6 | 4 | 15 | 8 | .652 | 5-5 | W1 | 23 | ||
| 3/26/2003 | @ | COP | W | LeCroy | 9 | 7 | 16 | 8 | .667 | 6-4 | W2 | 24 | |
| 3/27/2003 | @ | EDG | W | LeCroy | 10 | 4 | 17 | 8 | .680 | 6-4 | W3 | 25 | |
| 3/29/2003 | @ | ROK | W | Hocking | 2 | 1 | 18 | 8 | .692 | 7-3 | W4 | 26 | |
| 3/30/2003 | BON | W | LeCroy | 5 | 3 | 19 | 8 | .704 | 7-3 | W5 | 27 | ||
| 3/31/2003 | @ | OTR | W | Martinez | 12 | 1 | 20 | 8 | .714 | 7-3 | W6 | 28 | |
| 4/1/2003 | ROK | L | 8 | 9 | 20 | 9 | .690 | 7-3 | L1 | 29 | |||
| 4/2/2003 | @ | BON | W | Huff | 6 | 5 | 21 | 9 | .700 | 7-3 | W1 | 30 | |