| East | W | L | Pct | GB |
| Atlanta | 101 | 61 | .623 | -- |
| Florida | 91 | 71 | .562 | 10.0 |
| Philadelphia | 86 | 76 | .531 | 15.0 |
| Montreal | 83 | 79 | .512 | 18.0 |
| NY Mets | 66 | 95 | .410 | 34.5 |
| Date | Pitcher | Hand | Age | Game Result | Opp | GS# | Career | Dec | IP | H | R | ER | HR | BB | SO | Pit | Bal | Str | Str% | W-L | ERA | WHIP |
| 2003-03-31 | Greg Maddux | R | 37 | W 2-10 | vs MON | 1 | 536 | L | 7.0 | 9 | 5 | 4 | 1 | 1 | 5 | 77 | 23 | 54 | 70% | 0-1 | 5.14 | 1.43 |
| 2003-04-02 | Horacio Ramirez | L | 23 | W 0-3 | vs MON | 1 | 1 | L | 7.0 | 6 | 2 | 2 | 1 | 1 | 5 | 88 | 28 | 60 | 68% | 0-1 | 2.57 | 1.00 |
| 2003-04-03 | Russ Ortiz | R | 29 | W 0-4 | vs MON | 1 | 145 | L | 6.0 | 5 | 4 | 3 | 1 | 2 | 2 | 92 | 37 | 55 | 60% | 0-1 | 4.50 | 1.17 |
| 2003-04-04 | Jason Marquis | R | 25 | L 12-7 | vs FLO | 1 | 39 | - | 5.1 | 7 | 2 | 2 | 1 | 3 | 2 | 98 | 37 | 61 | 62% | 0-0 | 3.60 | 2.00 |
| 2003-04-05 | Greg Maddux | R | 37 | W 1-17 | vs FLO | 2 | 537 | L | 2.0 | 8 | 9 | 7 | 3 | 2 | 2 | 53 | 19 | 34 | 64% | 0-2 | 11.00 | 2.22 |
| 2003-04-06 | Horacio Ramirez | L | 23 | L 13-4 | vs FLO | 2 | 2 | W | 6.0 | 6 | 4 | 3 | 0 | 2 | 0 | 90 | 38 | 52 | 58% | 1-1 | 3.46 | 1.15 |
| 2003-04-07 | Russ Ortiz | R | 29 | L 3-0 | vs FLO | 2 | 146 | W | 7.0 | 3 | 0 | 0 | 0 | 3 | 3 | 90 | 41 | 49 | 54% | 1-1 | 2.08 | 1.00 |
| 2003-04-08 | Jason Marquis | R | 25 | L 3-4 | @ PHI | 2 | 40 | - | 5.0 | 2 | 3 | 2 | 0 | 6 | 3 | 84 | 41 | 43 | 51% | 0-0 | 3.60 | 1.80 |
| 2003-04-09 | Greg Maddux | R | 37 | L 2-16 | @ PHI | 3 | 538 | L | 5.2 | 12 | 10 | 7 | 2 | 3 | 7 | 109 | 45 | 64 | 59% | 0-3 | 10.80 | 2.33 |
| 2003-04-10 | Trey Hodges | R | 25 | W 6-2 | @ PHI | 1 | 1 | - | 4.2 | 2 | 1 | 1 | 0 | 2 | 3 | 65 | 26 | 39 | 60% | 0-0 | 3.38 | 1.38 |
| 2003-04-11 | Horacio Ramirez | L | 23 | L 4-7 | @ FLO | 3 | 3 | L | 5.0 | 8 | 7 | 7 | 2 | 2 | 3 | 91 | 41 | 50 | 55% | 1-2 | 6.00 | 1.39 |
| 2003-04-12 | Russ Ortiz | R | 29 | L 5-12 | @ FLO | 3 | 147 | L | 4.0 | 10 | 7 | 5 | 1 | 0 | 3 | 100 | 41 | 59 | 59% | 1-2 | 4.24 | 1.35 |
| 2003-04-13 | Greg Maddux | R | 37 | W 7-1 | @ FLO | 4 | 539 | W | 6.0 | 2 | 1 | 1 | 1 | 0 | 3 | 60 | 19 | 41 | 68% | 1-3 | 8.14 | 1.76 |
| 2003-04-15 | Shane Reynolds | R | 35 | W 2-1 | @ MON | 1 | 249 | - | 5.0 | 5 | 0 | 0 | 0 | 0 | 3 | 72 | 25 | 47 | 65% | 0-0 | 0.00 | 1.00 |
| 2003-04-16 | Horacio Ramirez | L | 23 | W 3-2 | @ MON | 4 | 4 | W | 7.0 | 6 | 2 | 2 | 1 | 0 | 5 | 96 | 32 | 64 | 67% | 2-2 | 5.04 | 1.24 |
| 2003-04-17 | Russ Ortiz | R | 29 | W 14-8 | @ MON | 4 | 148 | - | 5.1 | 3 | 4 | 4 | 0 | 8 | 3 | 105 | 52 | 53 | 50% | 1-2 | 4.91 | 1.55 |
| 2003-04-18 | Greg Maddux | R | 37 | L 5-4 | vs PHI | 5 | 540 | - | 5.2 | 8 | 4 | 3 | 0 | 1 | 2 | 96 | 34 | 62 | 65% | 1-3 | 7.62 | 1.77 |
| 2003-04-19 | Mike Hampton | L | 31 | W 0-4 | vs PHI | 1 | 250 | L | 5.0 | 6 | 4 | 4 | 0 | 4 | 1 | 81 | 35 | 46 | 57% | 0-1 | 7.20 | 2.00 |
| 2003-04-20 | Shane Reynolds | R | 35 | L 8-1 | vs PHI | 2 | 250 | W | 7.1 | 2 | 1 | 0 | 0 | 2 | 1 | 109 | 42 | 67 | 61% | 1-0 | 0.00 | 0.75 |
| 2003-04-22 | Russ Ortiz | R | 29 | L 5-3 | vs SLN | 5 | 149 | W | 6.1 | 5 | 2 | 2 | 1 | 1 | 7 | 107 | 45 | 62 | 58% | 2-2 | 4.34 | 1.38 |
| 2003-04-23 | Greg Maddux | R | 37 | L 4-2 | vs SLN | 6 | 541 | W | 7.0 | 3 | 0 | 0 | 0 | 0 | 1 | 75 | 22 | 53 | 71% | 2-3 | 6.00 | 1.48 |
| 2003-04-24 | Mike Hampton | L | 31 | L 4-3 | vs SLN | 2 | 251 | - | 6.0 | 2 | 2 | 2 | 0 | 4 | 1 | 81 | 34 | 47 | 58% | 0-1 | 4.91 | 1.45 |
| 2003-04-25 | Shane Reynolds | R | 35 | W 5-12 | vs MIL | 3 | 251 | L | 3.1 | 10 | 10 | 10 | 3 | 2 | 3 | 63 | 23 | 40 | 63% | 1-1 | 5.63 | 1.31 |
| 2003-04-26 | Horacio Ramirez | L | 23 | L 3-2 | vs MIL | 5 | 5 | - | 5.1 | 3 | 2 | 1 | 0 | 4 | 4 | 99 | 48 | 51 | 52% | 2-2 | 4.50 | 1.27 |
| 2003-04-27 | Russ Ortiz | R | 29 | L 7-1 | vs MIL | 6 | 150 | W | 8.2 | 5 | 1 | 1 | 0 | 6 | 5 | 127 | 50 | 77 | 61% | 3-2 | 3.65 | 1.38 |
| 2003-04-29 | Greg Maddux | R | 37 | W 3-1 | @ HOU | 7 | 542 | W | 7.0 | 5 | 1 | 1 | 0 | 0 | 5 | 91 | 32 | 59 | 65% | 3-3 | 5.18 | 1.35 |
| 2003-04-30 | Mike Hampton | L | 31 | W 11-1 | @ HOU | 3 | 252 | W | 7.0 | 4 | 1 | 1 | 1 | 1 | 2 | 87 | 33 | 54 | 62% | 1-1 | 3.50 | 1.17 |
| 2003-05-01 | Shane Reynolds | R | 35 | W 8-7 | @ HOU | 4 | 252 | - | 5.1 | 8 | 5 | 5 | 1 | 1 | 5 | 100 | 39 | 61 | 61% | 1-1 | 6.43 | 1.43 |
| 2003-05-02 | Horacio Ramirez | L | 23 | W 4-2 | @ ARI | 6 | 6 | - | 6.0 | 7 | 1 | 1 | 1 | 2 | 3 | 100 | 41 | 59 | 59% | 2-2 | 4.00 | 1.31 |
| 2003-05-03 | Russ Ortiz | R | 29 | L 6-7 | @ ARI | 7 | 151 | - | 5.0 | 6 | 3 | 3 | 0 | 5 | 3 | 104 | 46 | 58 | 56% | 3-2 | 3.86 | 1.48 |
| 2003-05-04 | Greg Maddux | R | 37 | W 7-4 | @ ARI | 8 | 543 | - | 6.0 | 7 | 4 | 2 | 2 | 4 | 4 | 115 | 51 | 64 | 56% | 3-3 | 4.89 | 1.41 |
| 2003-05-06 | Mike Hampton | L | 31 | L 3-2 | vs COL | 4 | 253 | - | 7.0 | 3 | 0 | 0 | 0 | 5 | 1 | 107 | 47 | 60 | 56% | 1-1 | 2.52 | 1.16 |
| 2003-05-08 | Shane Reynolds | R | 35 | L 12-6 | vs COL | 5 | 253 | W | 6.1 | 6 | 2 | 2 | 1 | 1 | 4 | 93 | 37 | 56 | 60% | 2-1 | 5.67 | 1.37 |
| 2003-05-08 | Russ Ortiz | R | 29 | L 5-2 | vs COL | 8 | 152 | W | 7.2 | 4 | 2 | 2 | 0 | 4 | 6 | 131 | 57 | 74 | 56% | 4-2 | 3.60 | 1.40 |
| 2003-05-09 | Greg Maddux | R | 37 | W 2-9 | vs SFN | 9 | 544 | L | 7.0 | 5 | 3 | 3 | 0 | 3 | 2 | 91 | 34 | 57 | 63% | 3-4 | 4.75 | 1.38 |
| 2003-05-10 | Horacio Ramirez | L | 23 | L 6-3 | vs SFN | 7 | 7 | - | 6.2 | 6 | 2 | 2 | 1 | 6 | 3 | 110 | 45 | 65 | 59% | 2-2 | 3.77 | 1.37 |
| 2003-05-11 | Mike Hampton | L | 31 | L 7-3 | vs SFN | 5 | 254 | W | 5.0 | 6 | 3 | 2 | 0 | 3 | 4 | 82 | 35 | 47 | 57% | 2-1 | 2.70 | 1.27 |
| 2003-05-12 | Shane Reynolds | R | 35 | W 11-4 | @ LAN | 6 | 254 | - | 5.1 | 3 | 3 | 3 | 1 | 3 | 4 | 76 | 34 | 42 | 55% | 2-1 | 5.45 | 1.30 |
| 2003-05-13 | Russ Ortiz | R | 29 | W 3-1 | @ LAN | 9 | 153 | W | 8.0 | 4 | 1 | 1 | 0 | 2 | 3 | 109 | 34 | 75 | 69% | 5-2 | 3.26 | 1.31 |
| 2003-05-14 | Greg Maddux | R | 37 | L 1-5 | @ LAN | 10 | 545 | L | 6.0 | 7 | 4 | 4 | 1 | 2 | 3 | 82 | 29 | 53 | 65% | 3-5 | 4.88 | 1.39 |
| 2003-05-15 | Horacio Ramirez | L | 23 | W 15-6 | @ SDN | 8 | 8 | W | 5.0 | 5 | 5 | 3 | 1 | 4 | 3 | 103 | 53 | 50 | 49% | 3-2 | 3.94 | 1.42 |
| 2003-05-16 | Mike Hampton | L | 31 | W 6-4 | @ SDN | 6 | 255 | - | 6.0 | 8 | 4 | 4 | 1 | 2 | 6 | 114 | 43 | 71 | 62% | 2-1 | 3.25 | 1.33 |
| 2003-05-17 | Shane Reynolds | R | 35 | W 12-2 | @ SDN | 7 | 255 | W | 7.0 | 5 | 2 | 2 | 1 | 2 | 5 | 94 | 38 | 56 | 60% | 3-1 | 4.95 | 1.25 |
| 2003-05-18 | Russ Ortiz | R | 29 | W 6-3 | @ SDN | 10 | 154 | W | 7.0 | 7 | 2 | 2 | 0 | 0 | 7 | 117 | 41 | 76 | 65% | 6-2 | 3.18 | 1.28 |
| 2003-05-20 | Greg Maddux | R | 37 | L 8-9 | @ CIN | 11 | 546 | - | 4.0 | 9 | 7 | 7 | 1 | 1 | 7 | 85 | 33 | 52 | 61% | 3-5 | 5.57 | 1.46 |
| 2003-05-21 | Mike Hampton | L | 31 | L 3-9 | @ CIN | 7 | 256 | L | 3.2 | 5 | 6 | 6 | 0 | 5 | 0 | 80 | 44 | 36 | 45% | 2-2 | 4.28 | 1.45 |
| 2003-05-22 | Shane Reynolds | R | 35 | W 9-4 | @ CIN | 8 | 256 | W | 6.2 | 6 | 4 | 4 | 2 | 3 | 9 | 107 | 37 | 70 | 65% | 4-1 | 5.09 | 1.28 |
| 2003-05-23 | Russ Ortiz | R | 29 | W 5-6 | vs NYN | 11 | 155 | L | 5.1 | 6 | 6 | 6 | 1 | 2 | 3 | 81 | 37 | 44 | 54% | 6-3 | 3.73 | 1.30 |
| 2003-05-24 | Horacio Ramirez | L | 23 | L 10-4 | vs NYN | 9 | 9 | W | 7.0 | 4 | 2 | 2 | 0 | 2 | 4 | 99 | 37 | 62 | 63% | 4-2 | 3.76 | 1.35 |
| 2003-05-25 | Greg Maddux | R | 37 | L 3-1 | vs NYN | 12 | 547 | - | 7.0 | 3 | 0 | 0 | 0 | 0 | 3 | 84 | 32 | 52 | 62% | 3-5 | 5.01 | 1.36 |
| 2003-05-26 | Mike Hampton | L | 31 | W 6-7 | vs CIN | 8 | 257 | - | 6.0 | 6 | 3 | 3 | 1 | 2 | 9 | 116 | 46 | 70 | 60% | 2-2 | 4.30 | 1.43 |
| 2003-05-27 | Shane Reynolds | R | 35 | L 3-2 | vs CIN | 9 | 257 | - | 6.0 | 4 | 2 | 2 | 0 | 5 | 2 | 90 | 42 | 48 | 53% | 4-1 | 4.85 | 1.31 |
| 2003-05-28 | Russ Ortiz | R | 29 | L 15-3 | vs CIN | 12 | 156 | W | 6.0 | 2 | 2 | 2 | 0 | 2 | 2 | 87 | 36 | 51 | 59% | 7-3 | 3.67 | 1.25 |
| 2003-05-30 | Greg Maddux | R | 37 | W 5-2 | @ NYN | 13 | 548 | W | 5.0 | 7 | 2 | 2 | 0 | 1 | 2 | 82 | 30 | 52 | 63% | 4-5 | 4.92 | 1.37 |
| 2003-05-31 | Mike Hampton | L | 31 | L 2-4 | @ NYN | 9 | 258 | L | 6.0 | 8 | 4 | 2 | 0 | 4 | 2 | 115 | 50 | 65 | 57% | 2-3 | 4.15 | 1.50 |
| 2003-06-01 | Horacio Ramirez | L | 24 | L 4-10 | @ NYN | 10 | 10 | - | 5.0 | 7 | 4 | 4 | 0 | 4 | 2 | 102 | 47 | 55 | 54% | 4-2 | 4.05 | 1.42 |
| 2003-06-03 | Russ Ortiz | R | 29 | L 6-5 | vs TEX | 13 | 157 | - | 6.0 | 7 | 4 | 4 | 2 | 4 | 4 | 110 | 47 | 63 | 57% | 7-3 | 3.84 | 1.29 |
| 2003-06-04 | Greg Maddux | R | 37 | L 5-2 | vs TEX | 14 | 549 | W | 8.0 | 9 | 2 | 2 | 0 | 0 | 2 | 70 | 18 | 52 | 74% | 5-5 | 4.66 | 1.35 |
| 2003-06-05 | Mike Hampton | L | 31 | L 8-4 | vs TEX | 10 | 259 | - | 1.2 | 2 | 3 | 0 | 0 | 2 | 0 | 37 | 18 | 19 | 51% | 2-3 | 4.08 | 1.55 |
| 2003-06-07 | Shane Reynolds | R | 35 | L 8-6 | vs PIT | 10 | 258 | - | 4.0 | 7 | 6 | 6 | 0 | 1 | 1 | 60 | 19 | 41 | 68% | 4-1 | 5.46 | 1.36 |
| 2003-06-08 | Russ Ortiz | R | 29 | L 6-5 | vs PIT | 14 | 158 | - | 5.0 | 5 | 4 | 4 | 0 | 4 | 2 | 90 | 39 | 51 | 57% | 7-3 | 4.03 | 1.32 |
| 2003-06-10 | Greg Maddux | R | 37 | L 3-4 | @ OAK | 15 | 550 | - | 7.0 | 7 | 3 | 3 | 1 | 1 | 2 | 93 | 29 | 64 | 69% | 5-5 | 4.60 | 1.33 |
| 2003-06-11 | Horacio Ramirez | L | 24 | W 11-6 | @ OAK | 11 | 11 | W | 5.2 | 9 | 5 | 5 | 2 | 2 | 1 | 88 | 33 | 55 | 63% | 5-2 | 4.36 | 1.45 |
| 2003-06-12 | Shane Reynolds | R | 35 | W 4-2 | @ OAK | 11 | 259 | W | 6.2 | 6 | 2 | 2 | 0 | 2 | 0 | 103 | 43 | 60 | 58% | 5-1 | 5.14 | 1.33 |
| 2003-06-13 | Russ Ortiz | R | 29 | L 1-2 | @ SEA | 15 | 159 | L | 7.2 | 7 | 2 | 1 | 0 | 1 | 1 | 124 | 53 | 71 | 57% | 7-4 | 3.79 | 1.29 |
| 2003-06-14 | Mike Hampton | L | 31 | W 3-1 | @ SEA | 11 | 260 | W | 7.0 | 2 | 1 | 1 | 0 | 3 | 3 | 105 | 42 | 63 | 60% | 3-3 | 3.75 | 1.45 |
| 2003-06-15 | Greg Maddux | R | 37 | L 1-2 | @ SEA | 16 | 551 | L | 7.0 | 5 | 2 | 2 | 0 | 0 | 11 | 109 | 38 | 71 | 65% | 5-6 | 4.45 | 1.29 |
| 2003-06-17 | Shane Reynolds | R | 35 | L 4-5 | @ PHI | 12 | 260 | - | 4.0 | 9 | 3 | 3 | 0 | 5 | 3 | 87 | 39 | 48 | 55% | 5-1 | 5.24 | 1.46 |
| 2003-06-18 | Russ Ortiz | R | 29 | W 6-1 | @ PHI | 16 | 160 | W | 6.0 | 4 | 0 | 0 | 0 | 3 | 3 | 100 | 47 | 53 | 53% | 8-4 | 3.56 | 1.29 |
| 2003-06-19 | Mike Hampton | L | 31 | L 2-3 | @ PHI | 12 | 261 | - | 7.1 | 2 | 2 | 2 | 0 | 3 | 5 | 106 | 43 | 63 | 59% | 3-3 | 3.57 | 1.35 |
| 2003-06-20 | Greg Maddux | R | 37 | L 6-3 | vs BAL | 17 | 552 | W | 7.0 | 4 | 3 | 2 | 0 | 1 | 3 | 83 | 29 | 54 | 65% | 6-6 | 4.33 | 1.25 |
| 2003-06-21 | Horacio Ramirez | L | 24 | L 10-2 | vs BAL | 12 | 12 | W | 7.0 | 6 | 1 | 1 | 0 | 1 | 7 | 108 | 43 | 65 | 60% | 6-2 | 4.07 | 1.41 |
| 2003-06-22 | Shane Reynolds | R | 35 | W 3-9 | vs BAL | 13 | 261 | L | 4.1 | 5 | 4 | 3 | 0 | 4 | 1 | 83 | 37 | 46 | 55% | 5-2 | 5.32 | 1.51 |
| 2003-06-24 | Russ Ortiz | R | 29 | L 5-3 | vs PHI | 17 | 161 | W | 6.1 | 6 | 3 | 3 | 0 | 5 | 7 | 102 | 40 | 62 | 61% | 9-4 | 3.62 | 1.32 |
| 2003-06-25 | Greg Maddux | R | 37 | W 1-8 | vs PHI | 18 | 553 | L | 5.0 | 7 | 6 | 4 | 0 | 2 | 4 | 77 | 29 | 48 | 62% | 6-7 | 4.46 | 1.28 |
| 2003-06-26 | Mike Hampton | L | 31 | W 1-8 | vs PHI | 13 | 262 | L | 5.0 | 8 | 5 | 4 | 0 | 3 | 6 | 112 | 43 | 69 | 62% | 3-4 | 3.82 | 1.41 |
| 2003-06-27 | Horacio Ramirez | L | 24 | W 8-2 | @ TBA | 13 | 13 | W | 6.2 | 7 | 2 | 2 | 0 | 1 | 8 | 113 | 46 | 67 | 59% | 7-2 | 3.99 | 1.41 |
| 2003-06-28 | Shane Reynolds | R | 35 | L 7-9 | @ TBA | 14 | 262 | L | 3.1 | 8 | 8 | 8 | 0 | 4 | 4 | 90 | 41 | 49 | 54% | 5-3 | 6.00 | 1.59 |
| 2003-06-29 | Russ Ortiz | R | 29 | W 2-0 | @ TBA | 18 | 162 | W | 7.2 | 3 | 0 | 0 | 0 | 2 | 4 | 95 | 35 | 60 | 63% | 10-4 | 3.37 | 1.27 |
| 2003-06-30 | Greg Maddux | R | 37 | L 1-8 | @ FLO | 19 | 554 | L | 4.0 | 6 | 7 | 7 | 2 | 0 | 1 | 67 | 18 | 49 | 73% | 6-8 | 4.86 | 1.28 |
| 2003-07-01 | Mike Hampton | L | 31 | L 1-20 | @ FLO | 14 | 263 | L | 4.0 | 10 | 9 | 9 | 1 | 3 | 2 | 93 | 33 | 60 | 65% | 3-5 | 4.68 | 1.51 |
| 2003-07-02 | Horacio Ramirez | L | 24 | W 2-1 | @ FLO | 14 | 14 | - | 7.0 | 6 | 1 | 1 | 1 | 4 | 4 | 109 | 43 | 66 | 61% | 7-2 | 3.77 | 1.41 |
| 2003-07-03 | Shane Reynolds | R | 35 | W 4-5 | vs MON | 15 | 263 | L | 7.1 | 11 | 5 | 5 | 1 | 1 | 2 | 114 | 36 | 78 | 68% | 5-4 | 6.04 | 1.60 |
| 2003-07-04 | Russ Ortiz | R | 29 | L 8-6 | vs MON | 19 | 163 | W | 6.0 | 5 | 4 | 4 | 2 | 4 | 7 | 104 | 42 | 62 | 60% | 11-4 | 3.50 | 1.28 |
| 2003-07-05 | Greg Maddux | R | 37 | L 3-2 | vs MON | 20 | 555 | - | 7.0 | 6 | 2 | 2 | 2 | 0 | 0 | 64 | 15 | 49 | 77% | 6-8 | 4.73 | 1.26 |
| 2003-07-06 | Mike Hampton | L | 31 | L 7-5 | vs MON | 15 | 264 | W | 7.0 | 9 | 4 | 4 | 0 | 1 | 8 | 94 | 28 | 66 | 70% | 4-5 | 4.71 | 1.50 |
| 2003-07-07 | Horacio Ramirez | L | 24 | W 7-3 | @ NYN | 15 | 15 | W | 9.0 | 4 | 3 | 1 | 0 | 2 | 7 | 107 | 35 | 72 | 67% | 8-2 | 3.51 | 1.34 |
| 2003-07-08 | Shane Reynolds | R | 35 | W 5-3 | @ NYN | 16 | 264 | W | 6.0 | 8 | 2 | 2 | 1 | 1 | 2 | 98 | 39 | 59 | 60% | 6-4 | 5.83 | 1.59 |
| 2003-07-09 | Russ Ortiz | R | 29 | W 6-3 | @ NYN | 20 | 164 | W | 7.1 | 7 | 3 | 3 | 0 | 1 | 4 | 112 | 36 | 76 | 68% | 12-4 | 3.52 | 1.27 |
| 2003-07-10 | Greg Maddux | R | 37 | W 13-3 | @ CHN | 21 | 556 | W | 6.0 | 6 | 3 | 2 | 1 | 0 | 7 | 85 | 27 | 58 | 68% | 7-8 | 4.64 | 1.25 |
| 2003-07-11 | Mike Hampton | L | 31 | W 9-5 | @ CHN | 16 | 265 | W | 7.1 | 11 | 5 | 5 | 2 | 3 | 5 | 114 | 34 | 80 | 70% | 5-5 | 4.85 | 1.54 |
| 2003-07-12 | Horacio Ramirez | L | 24 | L 3-7 | @ CHN | 16 | 16 | L | 3.2 | 9 | 7 | 7 | 1 | 1 | 2 | 64 | 30 | 34 | 53% | 8-3 | 4.00 | 1.38 |
| 2003-07-13 | Shane Reynolds | R | 35 | W 7-2 | @ CHN | 17 | 265 | W | 6.0 | 7 | 1 | 0 | 0 | 2 | 4 | 104 | 47 | 57 | 55% | 7-4 | 5.46 | 1.59 |
| 2003-07-17 | Greg Maddux | R | 37 | L 3-2 | vs NYN | 22 | 557 | W | 9.0 | 8 | 2 | 2 | 1 | 1 | 3 | 101 | 37 | 64 | 63% | 8-8 | 4.47 | 1.23 |
| 2003-07-18 | Mike Hampton | L | 31 | L 11-4 | vs NYN | 17 | 266 | W | 7.0 | 5 | 0 | 0 | 0 | 2 | 3 | 91 | 33 | 58 | 64% | 6-5 | 4.50 | 1.50 |
| 2003-07-19 | Russ Ortiz | R | 29 | L 7-4 | vs NYN | 21 | 165 | W | 5.0 | 4 | 3 | 3 | 0 | 4 | 5 | 101 | 44 | 57 | 56% | 13-4 | 3.59 | 1.29 |
| 2003-07-20 | Horacio Ramirez | L | 24 | L 11-8 | vs NYN | 17 | 17 | - | 4.2 | 6 | 5 | 4 | 0 | 2 | 1 | 73 | 29 | 44 | 60% | 8-3 | 4.15 | 1.39 |
| 2003-07-21 | Shane Reynolds | R | 35 | W 6-15 | vs CHN | 18 | 266 | L | 4.1 | 10 | 6 | 6 | 2 | 2 | 5 | 91 | 30 | 61 | 67% | 7-5 | 5.79 | 1.64 |
| 2003-07-22 | Greg Maddux | R | 37 | L 8-4 | vs CHN | 23 | 558 | W | 7.0 | 5 | 2 | 2 | 0 | 0 | 2 | 100 | 36 | 64 | 64% | 9-8 | 4.37 | 1.20 |
| 2003-07-23 | Mike Hampton | L | 31 | W 4-5 | vs FLO | 18 | 267 | - | 7.0 | 11 | 4 | 4 | 0 | 1 | 2 | 97 | 37 | 60 | 62% | 6-5 | 4.54 | 1.51 |
| 2003-07-24 | Russ Ortiz | R | 29 | L 5-2 | vs FLO | 22 | 166 | W | 6.0 | 7 | 2 | 2 | 1 | 2 | 5 | 108 | 42 | 66 | 61% | 14-4 | 3.56 | 1.29 |
| 2003-07-25 | Horacio Ramirez | L | 24 | L 8-9 | @ MON | 18 | 18 | - | 7.1 | 5 | 3 | 3 | 1 | 5 | 3 | 108 | 45 | 63 | 58% | 8-3 | 4.14 | 1.40 |
| 2003-07-26 | Shane Reynolds | R | 35 | W 15-4 | @ MON | 19 | 267 | W | 7.0 | 9 | 3 | 3 | 1 | 0 | 5 | 111 | 35 | 76 | 68% | 8-5 | 5.66 | 1.62 |
| 2003-07-27 | Greg Maddux | R | 37 | L 10-13 | @ MON | 24 | 559 | - | 6.0 | 7 | 6 | 6 | 2 | 0 | 3 | 93 | 33 | 60 | 65% | 9-8 | 4.56 | 1.20 |
| 2003-07-28 | Mike Hampton | L | 31 | W 10-8 | @ MON | 19 | 268 | W | 6.0 | 8 | 5 | 4 | 2 | 2 | 3 | 94 | 40 | 54 | 57% | 7-5 | 4.62 | 1.52 |
| 2003-07-29 | Russ Ortiz | R | 29 | L 6-3 | vs HOU | 23 | 167 | W | 6.1 | 5 | 3 | 3 | 0 | 4 | 3 | 111 | 47 | 64 | 58% | 15-4 | 3.58 | 1.29 |
| 2003-07-30 | Horacio Ramirez | L | 24 | W 3-7 | vs HOU | 19 | 19 | L | 5.1 | 8 | 5 | 5 | 0 | 4 | 1 | 108 | 46 | 62 | 57% | 8-4 | 4.34 | 1.44 |
| 2003-07-31 | Shane Reynolds | R | 35 | L 7-4 | vs HOU | 20 | 268 | W | 7.0 | 6 | 4 | 4 | 1 | 0 | 2 | 76 | 22 | 54 | 71% | 9-5 | 5.63 | 1.57 |
| 2003-08-01 | Greg Maddux | R | 37 | L 2-0 | vs LAN | 25 | 560 | W | 5.0 | 2 | 0 | 0 | 0 | 2 | 4 | 66 | 24 | 42 | 64% | 10-8 | 4.41 | 1.19 |
| 2003-08-02 | Mike Hampton | L | 31 | L 6-4 | vs LAN | 20 | 269 | W | 6.2 | 6 | 4 | 4 | 0 | 1 | 6 | 100 | 39 | 61 | 61% | 8-5 | 4.65 | 1.49 |
| 2003-08-03 | Russ Ortiz | R | 29 | W 4-8 | vs LAN | 24 | 168 | L | 5.0 | 6 | 5 | 1 | 1 | 2 | 7 | 118 | 46 | 72 | 61% | 15-5 | 3.52 | 1.30 |
| 2003-08-05 | Horacio Ramirez | L | 24 | L 3-4 | @ MIL | 20 | 20 | - | 6.0 | 7 | 2 | 2 | 2 | 4 | 6 | 127 | 51 | 76 | 60% | 8-4 | 4.28 | 1.46 |
| 2003-08-06 | Greg Maddux | R | 37 | W 10-2 | @ MIL | 26 | 561 | W | 6.0 | 6 | 0 | 0 | 0 | 1 | 5 | 88 | 30 | 58 | 66% | 11-8 | 4.25 | 1.19 |
| 2003-08-07 | Mike Hampton | L | 31 | W 7-1 | @ MIL | 21 | 270 | W | 9.0 | 5 | 1 | 1 | 0 | 1 | 4 | 103 | 27 | 76 | 74% | 9-5 | 4.39 | 1.43 |
| 2003-08-08 | Russ Ortiz | R | 29 | W 7-2 | @ SLN | 25 | 169 | W | 8.0 | 5 | 2 | 2 | 0 | 4 | 6 | 122 | 48 | 74 | 61% | 16-5 | 3.45 | 1.30 |
| 2003-08-09 | Shane Reynolds | R | 35 | L 1-3 | @ SLN | 21 | 269 | L | 6.0 | 5 | 2 | 2 | 0 | 3 | 1 | 78 | 29 | 49 | 63% | 9-6 | 5.49 | 1.56 |
| 2003-08-10 | Horacio Ramirez | L | 24 | L 2-3 | @ SLN | 21 | 21 | - | 7.2 | 5 | 2 | 2 | 2 | 3 | 4 | 91 | 30 | 61 | 67% | 8-4 | 4.15 | 1.43 |
| 2003-08-12 | Greg Maddux | R | 37 | W 4-14 | vs SDN | 27 | 562 | L | 5.0 | 13 | 5 | 5 | 0 | 1 | 2 | 67 | 24 | 43 | 64% | 11-9 | 4.39 | 1.24 |
| 2003-08-13 | Mike Hampton | L | 31 | L 7-1 | vs SDN | 22 | 271 | W | 8.0 | 3 | 1 | 1 | 0 | 2 | 5 | 99 | 37 | 62 | 63% | 10-5 | 4.20 | 1.39 |
| 2003-08-14 | Russ Ortiz | R | 29 | L 7-4 | vs SDN | 26 | 170 | W | 7.0 | 5 | 3 | 3 | 1 | 2 | 7 | 104 | 41 | 63 | 61% | 17-5 | 3.47 | 1.28 |
| 2003-08-15 | Shane Reynolds | R | 35 | L 10-4 | vs ARI | 22 | 270 | W | 5.2 | 7 | 3 | 3 | 1 | 4 | 3 | 92 | 37 | 55 | 60% | 10-6 | 5.44 | 1.57 |
| 2003-08-16 | Horacio Ramirez | L | 24 | L 10-6 | vs ARI | 22 | 22 | - | 4.2 | 7 | 6 | 4 | 0 | 5 | 2 | 93 | 39 | 54 | 58% | 8-4 | 4.27 | 1.47 |
| 2003-08-17 | Greg Maddux | R | 37 | W 0-2 | vs ARI | 28 | 563 | L | 8.0 | 7 | 1 | 1 | 1 | 1 | 5 | 96 | 32 | 64 | 67% | 11-10 | 4.24 | 1.23 |
| 2003-08-18 | Mike Hampton | L | 31 | L 6-1 | vs ARI | 23 | 272 | W | 8.0 | 4 | 1 | 1 | 1 | 2 | 4 | 101 | 31 | 70 | 69% | 11-5 | 4.03 | 1.35 |
| 2003-08-19 | Russ Ortiz | R | 29 | L 4-5 | @ SFN | 27 | 171 | - | 7.0 | 6 | 3 | 3 | 1 | 5 | 4 | 119 | 54 | 65 | 55% | 17-5 | 3.49 | 1.29 |
| 2003-08-20 | Shane Reynolds | R | 35 | L 1-2 | @ SFN | 23 | 271 | - | 8.0 | 5 | 1 | 1 | 0 | 0 | 3 | 101 | 40 | 61 | 60% | 10-6 | 5.18 | 1.52 |
| 2003-08-21 | Horacio Ramirez | L | 24 | L 3-4 | @ SFN | 23 | 23 | - | 7.0 | 6 | 3 | 3 | 0 | 4 | 3 | 104 | 42 | 62 | 60% | 8-4 | 4.25 | 1.46 |
| 2003-08-22 | Greg Maddux | R | 37 | W 9-3 | @ COL | 29 | 564 | W | 6.0 | 3 | 3 | 2 | 1 | 2 | 4 | 97 | 30 | 67 | 69% | 12-10 | 4.20 | 1.21 |
| 2003-08-23 | Mike Hampton | L | 31 | W 5-4 | @ COL | 24 | 273 | W | 6.2 | 11 | 4 | 4 | 1 | 2 | 3 | 120 | 40 | 80 | 67% | 12-5 | 4.11 | 1.38 |
| 2003-08-24 | Russ Ortiz | R | 29 | W 12-6 | @ COL | 28 | 172 | W | 6.2 | 7 | 4 | 4 | 1 | 1 | 5 | 118 | 45 | 73 | 62% | 18-5 | 3.57 | 1.30 |
| 2003-08-26 | Shane Reynolds | R | 35 | W 5-6 | vs NYN | 24 | 272 | L | 5.2 | 5 | 6 | 6 | 1 | 3 | 4 | 95 | 43 | 52 | 55% | 10-7 | 5.35 | 1.51 |
| 2003-08-27 | Greg Maddux | R | 37 | L 4-1 | vs NYN | 30 | 565 | W | 6.0 | 3 | 1 | 1 | 1 | 0 | 5 | 65 | 22 | 43 | 66% | 13-10 | 4.11 | 1.19 |
| 2003-08-28 | Mike Hampton | L | 31 | W 1-3 | vs NYN | 25 | 274 | L | 7.0 | 5 | 1 | 1 | 1 | 4 | 4 | 112 | 44 | 68 | 61% | 12-6 | 3.98 | 1.38 |
| 2003-08-29 | Russ Ortiz | R | 29 | L 5-6 | @ PIT | 29 | 173 | - | 5.0 | 7 | 5 | 5 | 1 | 4 | 4 | 98 | 44 | 54 | 55% | 18-5 | 3.72 | 1.32 |
| 2003-08-30 | Horacio Ramirez | L | 24 | W 13-6 | @ PIT | 24 | 24 | W | 7.0 | 10 | 5 | 5 | 1 | 0 | 3 | 103 | 38 | 65 | 63% | 9-4 | 4.35 | 1.46 |
| 2003-08-31 | Shane Reynolds | R | 35 | W 10-4 | @ PIT | 25 | 273 | W | 7.1 | 9 | 4 | 4 | 0 | 0 | 5 | 108 | 36 | 72 | 67% | 11-7 | 5.34 | 1.50 |
| 2003-09-01 | Greg Maddux | R | 37 | L 2-3 | @ NYN | 31 | 566 | - | 6.0 | 7 | 2 | 2 | 0 | 2 | 3 | 91 | 37 | 54 | 59% | 13-10 | 4.07 | 1.20 |
| 2003-09-02 | Mike Hampton | L | 31 | L 1-3 | @ NYN | 26 | 275 | L | 6.2 | 7 | 3 | 2 | 0 | 2 | 4 | 128 | 48 | 80 | 63% | 12-7 | 3.92 | 1.37 |
| 2003-09-03 | Russ Ortiz | R | 29 | L 3-9 | @ NYN | 30 | 174 | L | 5.0 | 6 | 6 | 3 | 1 | 2 | 3 | 99 | 45 | 54 | 55% | 18-6 | 3.76 | 1.33 |
| 2003-09-05 | Horacio Ramirez | L | 24 | L 3-2 | vs PIT | 25 | 25 | - | 9.0 | 3 | 2 | 1 | 1 | 1 | 4 | 102 | 35 | 67 | 66% | 9-4 | 4.16 | 1.41 |
| 2003-09-05 | Shane Reynolds | R | 35 | W 3-5 | vs PIT | 26 | 274 | L | 6.0 | 5 | 4 | 4 | 1 | 0 | 6 | 89 | 36 | 53 | 60% | 11-8 | 5.36 | 1.47 |
| 2003-09-06 | Greg Maddux | R | 37 | L 9-2 | vs PIT | 32 | 567 | W | 7.1 | 8 | 2 | 0 | 0 | 0 | 5 | 78 | 16 | 62 | 79% | 14-10 | 3.91 | 1.19 |
| 2003-09-07 | Mike Hampton | L | 31 | L 2-1 | vs PIT | 27 | 276 | W | 8.0 | 4 | 1 | 0 | 0 | 3 | 4 | 113 | 36 | 77 | 68% | 13-7 | 3.74 | 1.35 |
| 2003-09-08 | Russ Ortiz | R | 29 | L 6-4 | vs PHI | 31 | 175 | W | 6.0 | 3 | 4 | 4 | 1 | 5 | 5 | 109 | 59 | 50 | 46% | 19-6 | 3.83 | 1.33 |
| 2003-09-09 | Shane Reynolds | R | 35 | W 5-18 | vs PHI | 27 | 275 | L | 1.1 | 4 | 7 | 7 | 1 | 5 | 1 | 57 | 26 | 31 | 54% | 11-9 | 5.74 | 1.52 |
| 2003-09-10 | Horacio Ramirez | L | 24 | L 4-2 | vs PHI | 26 | 26 | W | 7.0 | 6 | 2 | 2 | 2 | 0 | 7 | 110 | 41 | 69 | 63% | 10-4 | 4.09 | 1.38 |
| 2003-09-11 | Greg Maddux | R | 37 | W 3-8 | vs PHI | 33 | 568 | L | 3.2 | 12 | 7 | 7 | 1 | 1 | 1 | 80 | 26 | 54 | 68% | 14-11 | 4.16 | 1.24 |
| 2003-09-12 | Mike Hampton | L | 31 | L 4-5 | @ FLO | 28 | 277 | - | 7.0 | 8 | 2 | 2 | 1 | 2 | 3 | 110 | 37 | 73 | 66% | 13-7 | 3.69 | 1.35 |
| 2003-09-13 | Russ Ortiz | R | 29 | L 3-8 | @ FLO | 32 | 176 | L | 3.0 | 6 | 7 | 7 | 1 | 3 | 6 | 69 | 29 | 40 | 58% | 19-7 | 4.09 | 1.35 |
| 2003-09-14 | Shane Reynolds | R | 35 | W 8-4 | @ FLO | 28 | 276 | - | 6.0 | 8 | 4 | 4 | 1 | 0 | 3 | 96 | 28 | 68 | 71% | 11-9 | 5.75 | 1.51 |
| 2003-09-15 | Horacio Ramirez | L | 24 | W 10-6 | @ MON | 27 | 27 | W | 7.0 | 7 | 2 | 2 | 1 | 1 | 3 | 106 | 40 | 66 | 62% | 11-4 | 4.03 | 1.37 |
| 2003-09-16 | Greg Maddux | R | 37 | L 4-5 | @ MON | 34 | 569 | - | 7.0 | 4 | 1 | 1 | 0 | 0 | 4 | 83 | 30 | 53 | 64% | 14-11 | 4.07 | 1.22 |
| 2003-09-17 | Mike Hampton | L | 31 | W 14-4 | @ MON | 29 | 278 | W | 5.0 | 3 | 1 | 1 | 0 | 4 | 3 | 69 | 29 | 40 | 58% | 14-7 | 3.64 | 1.36 |
| 2003-09-19 | Russ Ortiz | R | 29 | L 1-0 | vs FLO | 33 | 177 | W | 9.0 | 3 | 0 | 0 | 0 | 1 | 8 | 129 | 42 | 87 | 67% | 20-7 | 3.91 | 1.31 |
| 2003-09-20 | Horacio Ramirez | L | 24 | W 5-6 | vs FLO | 28 | 28 | - | 4.2 | 7 | 4 | 4 | 0 | 5 | 0 | 89 | 41 | 48 | 54% | 11-4 | 4.14 | 1.41 |
| 2003-09-21 | Greg Maddux | R | 37 | L 8-0 | vs FLO | 35 | 570 | W | 5.0 | 1 | 0 | 0 | 0 | 0 | 0 | 43 | 14 | 29 | 67% | 15-11 | 3.97 | 1.19 |
| 2003-09-22 | Mike Hampton | L | 31 | W 3-6 | vs FLO | 30 | 279 | L | 5.0 | 11 | 6 | 6 | 1 | 2 | 6 | 94 | 32 | 62 | 66% | 14-8 | 3.83 | 1.39 |
| 2003-09-23 | Shane Reynolds | R | 35 | L 2-0 | vs MON | 29 | 277 | - | 7.0 | 7 | 0 | 0 | 0 | 3 | 2 | 109 | 41 | 68 | 62% | 11-9 | 5.51 | 1.51 |
| 2003-09-24 | Russ Ortiz | R | 29 | L 9-1 | vs MON | 34 | 178 | W | 5.0 | 3 | 0 | 0 | 0 | 4 | 2 | 87 | 37 | 50 | 57% | 21-7 | 3.82 | 1.32 |
| 2003-09-26 | Horacio Ramirez | L | 24 | W 6-0 | @ PHI | 29 | 29 | W | 6.0 | 5 | 0 | 0 | 0 | 0 | 2 | 75 | 25 | 50 | 67% | 12-4 | 4.01 | 1.39 |
| 2003-09-27 | Mike Hampton | L | 31 | L 6-7 | @ PHI | 31 | 280 | - | 2.0 | 3 | 1 | 1 | 1 | 0 | 1 | 19 | 2 | 17 | 89% | 14-8 | 3.84 | 1.39 |
| 2003-09-28 | Greg Maddux | R | 37 | W 5-2 | @ PHI | 36 | 571 | W | 5.0 | 4 | 2 | 2 | 0 | 0 | 2 | 79 | 30 | 49 | 62% | 16-11 | 3.96 | 1.18 |