| Primary | ||||||||||||
| Date | # | Opp | Score | Inn | Starter | T | W/L | Save | Versus | T | ||
| 3/1/2003 | TON | W | 5-0 | Martinez | R | Martinez | Webb | R | ||||
| 3/4/2003 | @ | MID | W | 5-4 | Clement | R | Clement | Foulke | Gonzalez | R | ||
| 3/5/2003 | @ | CRH | W | 8-4 | 11 | Glavine,T | L | Fox | Mulder | L | ||
| 3/6/2003 | COP | W | 7-6 | Day | R | Smoltz | Garland | R | ||||
| 3/7/2003 | EDG | W | 5-3 | Villone | L | Villone | Spooneybarger | Lopez | R | |||
| 3/8/2003 | MID | L | 7-8 | Martinez | R | Valverde | Anderson | L | ||||
| 3/9/2003 | CRH | W | 7-6 | Clement | R | Spooneybarger | Leiter | L | ||||
| 3/10/2003 | @ | COP | W | 10-5 | Glavine,T | L | Glavine,T | Radke | R | |||
| 3/11/2003 | @ | EDG | W | 9-4 | Day | R | Day | Davis | L | |||
| 3/12/2003 | GEO | L | 0-6 | Villone | L | Villone | Mussina | R | ||||
| 3/13/2003 | OTR | W | 8-7 | 10 | Martinez | R | Valverde | Redman | L | |||
| 3/14/2003 | @ | ROK | W | 7-5 | Clement | R | Clement | Foulke | Santana | L | ||
| 3/15/2003 | @ | BON | L | 6-7 | Glavine,T | L | Spooneybarger | Westbrook | R | |||
| 3/16/2003 | @ | GEO | W | 6-4 | Day | R | Day | Smoltz | Weaver | R | ||
| 3/17/2003 | @ | OTR | L | 2-3 | Villone | L | Villone | Loaiza | R | |||
| 3/18/2003 | ROK | L | 4-6 | Martinez | R | Valverde | Halladay | R | ||||
| 3/19/2003 | BON | L | 2-8 | Clement | R | Clement | Hentgen | R | ||||
| 3/20/2003 | LON | W | 6-3 | Glavine,T | L | Glavine,T | Fox | Wells | R | |||
| 3/21/2003 | Pal | W | 7-2 | Day | R | Day | Miller | R | ||||
| 3/22/2003 | @ | MAD | L | 0-3 | Villone | L | Villone | Alvarez,W | L | |||
| 3/23/2003 | @ | CCL | L | 3-12 | Martinez | R | Martinez | Zambrano | R | |||
| 3/24/2003 | @ | LON | W | 7-1 | Clement | R | Clement | Pavano | R | |||
| 3/25/2003 | @ | Pal | W | 5-3 | Glavine,T | L | Glavine,T | Foulke | Beckett | R | ||
| 3/26/2003 | MAD | L | 6-11 | Day | R | Day | Ortiz | R | ||||
| 3/27/2003 | CCL | W | 8-7 | 16 | Villone | L | Smoltz | Vargas | R | |||
| 3/29/2003 | @ | MUL | L | 4-7 | Martinez | R | Nathan | Wood | R | |||
| 3/30/2003 | BT | W | 3-1 | Clement | R | Clement | Hernandez | R | ||||
| 3/31/2003 | @ | TON | L | 4-6 | Glavine,T | L | Beimel | Lawrence | R | |||
| 4/1/2003 | MUL | W | 7-4 | Day | R | Day | Moyer | L | ||||
| 4/2/2003 | @ | BT | W | 8-6 | Villone | L | Smoltz | Spooneybarger | Trachsel | R | ||
| Other | |||||||||||||
| Cumulative | |||||||||||||
| Date | # | Opp | GWRBI | RF | RA | W | L | Pct | Last10 | Strk | Gm# | ||
| 3/1/2003 | TON | W | Garcia | 5 | 0 | 1 | 0 | 1.000 | 1-0 | W1 | 1 | ||
| 3/4/2003 | @ | MID | W | 5 | 4 | 2 | 0 | 1.000 | 2-0 | W2 | 2 | ||
| 3/5/2003 | @ | CRH | W | Redman | 8 | 4 | 3 | 0 | 1.000 | 3-0 | W3 | 3 | |
| 3/6/2003 | COP | W | Jones,C | 7 | 6 | 4 | 0 | 1.000 | 4-0 | W4 | 4 | ||
| 3/7/2003 | EDG | W | Dunn | 5 | 3 | 5 | 0 | 1.000 | 5-0 | W5 | 5 | ||
| 3/8/2003 | MID | L | 7 | 8 | 5 | 1 | .833 | 5-1 | L1 | 6 | |||
| 3/9/2003 | CRH | W | Feliz | 7 | 6 | 6 | 1 | .857 | 6-1 | W1 | 7 | ||
| 3/10/2003 | @ | COP | W | Redman | 10 | 5 | 7 | 1 | .875 | 7-1 | W2 | 8 | |
| 3/11/2003 | @ | EDG | W | Santiago | 9 | 4 | 8 | 1 | .889 | 8-1 | W3 | 9 | |
| 3/12/2003 | GEO | L | 0 | 6 | 8 | 2 | .800 | 8-2 | L1 | 10 | |||
| 3/13/2003 | OTR | W | Anderson | 8 | 7 | 9 | 2 | .818 | 8-2 | W1 | 11 | ||
| 3/14/2003 | @ | ROK | W | Jones,C | 7 | 5 | 10 | 2 | .833 | 8-2 | W2 | 12 | |
| 3/15/2003 | @ | BON | L | 6 | 7 | 10 | 3 | .769 | 7-3 | L1 | 13 | ||
| 3/16/2003 | @ | GEO | W | Dunn | 6 | 4 | 11 | 3 | .786 | 7-3 | W1 | 14 | |
| 3/17/2003 | @ | OTR | L | 2 | 3 | 11 | 4 | .733 | 6-4 | L1 | 15 | ||
| 3/18/2003 | ROK | L | 4 | 6 | 11 | 5 | .688 | 6-4 | L2 | 16 | |||
| 3/19/2003 | BON | L | 2 | 8 | 11 | 6 | .647 | 5-5 | L3 | 17 | |||
| 3/20/2003 | LON | W | Redman | 6 | 3 | 12 | 6 | .667 | 5-5 | W1 | 18 | ||
| 3/21/2003 | Pal | W | Furcal | 7 | 2 | 13 | 6 | .684 | 5-5 | W2 | 19 | ||
| 3/22/2003 | @ | MAD | L | 0 | 3 | 13 | 7 | .650 | 5-5 | L1 | 20 | ||
| 3/23/2003 | @ | CCL | L | 3 | 12 | 13 | 8 | .619 | 4-6 | L2 | 21 | ||
| 3/24/2003 | @ | LON | W | Redman | 7 | 1 | 14 | 8 | .636 | 4-6 | W1 | 22 | |
| 3/25/2003 | @ | Pal | W | Dunn | 5 | 3 | 15 | 8 | .652 | 5-5 | W2 | 23 | |
| 3/26/2003 | MAD | L | 6 | 11 | 15 | 9 | .625 | 4-6 | L1 | 24 | |||
| 3/27/2003 | CCL | W | Torrealba | 8 | 7 | 16 | 9 | .640 | 5-5 | W1 | 25 | ||
| 3/29/2003 | @ | MUL | L | 4 | 7 | 16 | 10 | .615 | 5-5 | L1 | 26 | ||
| 3/30/2003 | BT | W | Feliz | 3 | 1 | 17 | 10 | .630 | 6-4 | W1 | 27 | ||
| 3/31/2003 | @ | TON | L | 4 | 6 | 17 | 11 | .607 | 5-5 | L1 | 28 | ||
| 4/1/2003 | MUL | W | Martinez | 7 | 4 | 18 | 11 | .621 | 5-5 | W1 | 29 | ||
| 4/2/2003 | @ | BT | W | Santiago | 8 | 6 | 19 | 11 | .633 | 6-4 | W2 | 30 | |