| East | W | L | Pct | GB |
| Philadelphia | 90 | 72 | .556 | -- |
| Pittsburgh | 84 | 78 | .519 | 6.0 |
| Montreal | 82 | 80 | .506 | 8.0 |
| St. Louis | 79 | 83 | .488 | 11.0 |
| Chi Cubs | 71 | 91 | .438 | 19.0 |
| NY Mets | 68 | 94 | .420 | 22.0 |
| 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 |
| 1983-04-05 | Tom Seaver | R | 38 | L 2-0 | vs PHI | 1 | 520 | - | 6.0 | 3 | 0 | 0 | 0 | 1 | 5 | 0 | 0 | 0 | -- | 0-0 | 0.00 | 0.67 |
| 1983-04-07 | Craig Swan | R | 32 | L 6-2 | vs PHI | 1 | 167 | W | 6.2 | 3 | 2 | 2 | 1 | 5 | 1 | 0 | 0 | 0 | -- | 1-0 | 2.57 | 1.14 |
| 1983-04-09 | Mike Torrez | R | 37 | W 0-5 | vs SLN | 1 | 416 | L | 6.0 | 7 | 5 | 5 | 0 | 2 | 1 | 0 | 0 | 0 | -- | 0-1 | 7.50 | 1.50 |
| 1983-04-12 | Tom Seaver | R | 38 | L 3-4 | @ PHI | 2 | 521 | - | 7.0 | 5 | 2 | 2 | 0 | 4 | 4 | 0 | 0 | 0 | -- | 0-0 | 1.38 | 1.00 |
| 1983-04-13 | Craig Swan | R | 32 | L 9-10 | @ PHI | 2 | 168 | - | 3.0 | 5 | 4 | 4 | 1 | 3 | 0 | 0 | 0 | 0 | -- | 1-0 | 5.40 | 1.60 |
| 1983-04-14 | Mike Torrez | R | 37 | L 1-7 | @ SLN | 2 | 417 | L | 0.2 | 6 | 6 | 6 | 0 | 1 | 1 | 0 | 0 | 0 | -- | 0-2 | 14.14 | 2.29 |
| 1983-04-15 | Scott Holman | R | 25 | L 2-5 | @ SLN | 1 | 5 | L | 5.2 | 9 | 5 | 4 | 1 | 2 | 3 | 0 | 0 | 0 | -- | 0-1 | 6.00 | 1.83 |
| 1983-04-16 | Ed Lynch | R | 27 | L 2-6 | @ SLN | 1 | 30 | L | 6.1 | 5 | 5 | 4 | 0 | 1 | 2 | 0 | 0 | 0 | -- | 0-1 | 6.00 | 1.00 |
| 1983-04-20 | Tom Seaver | R | 38 | L 6-0 | vs PIT | 3 | 522 | W | 9.0 | 3 | 0 | 0 | 0 | 3 | 9 | 0 | 0 | 0 | -- | 1-0 | 0.82 | 0.86 |
| 1983-04-20 | Mike Torrez | R | 37 | L 7-5 | vs PIT | 3 | 418 | - | 4.0 | 5 | 4 | 2 | 0 | 4 | 2 | 0 | 0 | 0 | -- | 0-2 | 9.75 | 2.17 |
| 1983-04-22 | Scott Holman | R | 25 | L 4-5 | @ ATL | 2 | 6 | - | 5.0 | 2 | 1 | 1 | 0 | 6 | 0 | 0 | 0 | 0 | -- | 0-1 | 4.09 | 1.73 |
| 1983-04-24 | Craig Swan | R | 32 | L 3-6 | @ ATL | 3 | 169 | L | 5.0 | 9 | 5 | 5 | 1 | 4 | 1 | 0 | 0 | 0 | -- | 1-1 | 6.60 | 1.93 |
| 1983-04-24 | Rick Ownbey | R | 26 | L 3-5 | @ ATL | 1 | 9 | - | 4.0 | 5 | 3 | 3 | 1 | 3 | 3 | 0 | 0 | 0 | -- | 0-0 | 4.91 | 1.55 |
| 1983-04-26 | Tom Seaver | R | 38 | L 0-7 | @ CIN | 4 | 523 | L | 5.0 | 7 | 5 | 5 | 1 | 5 | 2 | 0 | 0 | 0 | -- | 1-1 | 2.33 | 1.15 |
| 1983-04-27 | Mike Torrez | R | 37 | W 2-1 | @ CIN | 4 | 419 | W | 8.0 | 3 | 1 | 1 | 0 | 4 | 3 | 0 | 0 | 0 | -- | 1-2 | 6.00 | 1.71 |
| 1983-04-29 | Craig Swan | R | 32 | L 6-5 | vs ATL | 4 | 170 | - | 5.0 | 4 | 3 | 3 | 1 | 0 | 3 | 0 | 0 | 0 | -- | 1-1 | 6.30 | 1.65 |
| 1983-04-30 | Rick Ownbey | R | 26 | W 1-6 | vs ATL | 2 | 10 | L | 8.0 | 7 | 2 | 2 | 1 | 3 | 7 | 0 | 0 | 0 | -- | 0-1 | 3.79 | 1.42 |
| 1983-05-01 | Tom Seaver | R | 38 | W 1-2 | vs ATL | 5 | 524 | L | 7.0 | 4 | 2 | 2 | 0 | 2 | 5 | 0 | 0 | 0 | -- | 1-2 | 2.38 | 1.09 |
| 1983-05-02 | Mike Torrez | R | 37 | W 2-3 | vs HOU | 5 | 420 | L | 9.0 | 7 | 3 | 3 | 1 | 4 | 4 | 0 | 0 | 0 | -- | 1-3 | 5.10 | 1.57 |
| 1983-05-03 | Craig Swan | R | 32 | W 4-7 | vs HOU | 5 | 171 | L | 1.2 | 4 | 5 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | -- | 1-2 | 6.43 | 1.76 |
| 1983-05-04 | Rick Ownbey | R | 26 | W 3-4 | vs HOU | 3 | 11 | L | 1.1 | 4 | 4 | 4 | 1 | 3 | 1 | 0 | 0 | 0 | -- | 0-2 | 5.40 | 1.70 |
| 1983-05-06 | Tom Seaver | R | 38 | L 7-4 | vs CIN | 6 | 525 | - | 8.0 | 4 | 3 | 3 | 1 | 3 | 7 | 0 | 0 | 0 | -- | 1-2 | 2.57 | 1.05 |
| 1983-05-07 | Mike Torrez | R | 37 | W 5-7 | vs CIN | 6 | 421 | L | 4.1 | 8 | 5 | 5 | 0 | 4 | 1 | 0 | 0 | 0 | -- | 1-4 | 5.82 | 1.74 |
| 1983-05-08 | Scott Holman | R | 25 | L 10-5 | vs CIN | 3 | 7 | - | 0.1 | 4 | 5 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | -- | 0-1 | 6.60 | 1.73 |
| 1983-05-09 | Rick Ownbey | R | 26 | L 4-6 | @ HOU | 4 | 12 | L | 4.2 | 7 | 5 | 5 | 1 | 2 | 3 | 0 | 0 | 0 | -- | 0-3 | 6.12 | 1.72 |
| 1983-05-10 | Ed Lynch | R | 27 | L 4-5 | @ HOU | 2 | 31 | - | 7.1 | 7 | 3 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | -- | 1-1 | 3.68 | 0.95 |
| 1983-05-11 | Tom Seaver | R | 38 | W 3-0 | @ HOU | 7 | 526 | W | 9.0 | 5 | 0 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | -- | 2-2 | 2.12 | 1.00 |
| 1983-05-12 | Mike Torrez | R | 37 | L 2-6 | @ PIT | 7 | 422 | L | 6.0 | 8 | 4 | 4 | 0 | 2 | 2 | 0 | 0 | 0 | -- | 1-5 | 5.44 | 1.63 |
| 1983-05-13 | Scott Holman | R | 25 | L 1-2 | @ PIT | 4 | 8 | - | 7.0 | 4 | 1 | 1 | 0 | 3 | 2 | 0 | 0 | 0 | -- | 0-1 | 4.91 | 1.50 |
| 1983-05-14 | Neil Allen | R | 25 | W 6-2 | @ PIT | 1 | 6 | W | 5.0 | 5 | 2 | 2 | 0 | 4 | 4 | 0 | 0 | 0 | -- | 1-4 | 5.25 | 1.96 |
| 1983-05-16 | Ed Lynch | R | 27 | W 11-4 | @ PIT | 3 | 32 | W | 5.1 | 8 | 4 | 4 | 1 | 2 | 0 | 0 | 0 | 0 | -- | 2-1 | 4.18 | 1.11 |
| 1983-05-17 | Tom Seaver | R | 38 | L 6-4 | vs SDN | 8 | 527 | W | 6.0 | 7 | 3 | 3 | 1 | 1 | 3 | 0 | 0 | 0 | -- | 3-2 | 2.37 | 1.04 |
| 1983-05-18 | Mike Torrez | R | 37 | L 2-1 | vs SDN | 8 | 423 | W | 8.0 | 6 | 1 | 1 | 1 | 2 | 3 | 0 | 0 | 0 | -- | 2-5 | 4.76 | 1.53 |
| 1983-05-19 | Scott Holman | R | 25 | W 2-3 | vs SDN | 5 | 9 | L | 4.0 | 2 | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | -- | 0-2 | 4.50 | 1.42 |
| 1983-05-20 | Neil Allen | R | 25 | L 4-0 | vs LAN | 2 | 7 | W | 9.0 | 6 | 0 | 0 | 0 | 3 | 7 | 0 | 0 | 0 | -- | 2-4 | 3.82 | 1.70 |
| 1983-05-22 | Tom Seaver | R | 39 | W 0-5 | vs LAN | 9 | 528 | L | 8.0 | 9 | 5 | 5 | 3 | 2 | 6 | 0 | 0 | 0 | -- | 3-3 | 2.77 | 1.08 |
| 1983-05-23 | Mike Torrez | R | 37 | L 4-3 | vs SFN | 9 | 424 | - | 6.1 | 10 | 3 | 3 | 0 | 3 | 4 | 0 | 0 | 0 | -- | 2-5 | 4.74 | 1.60 |
| 1983-05-24 | Ed Lynch | R | 27 | W 2-6 | vs SFN | 4 | 33 | L | 7.0 | 5 | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | -- | 2-2 | 3.86 | 1.09 |
| 1983-05-25 | Neil Allen | R | 25 | W 6-7 | vs SFN | 3 | 8 | L | 4.0 | 6 | 5 | 4 | 1 | 3 | 3 | 0 | 0 | 0 | -- | 2-5 | 4.38 | 1.76 |
| 1983-05-27 | Tom Seaver | R | 39 | L 0-4 | @ SDN | 10 | 529 | L | 6.0 | 4 | 4 | 1 | 0 | 5 | 3 | 0 | 0 | 0 | -- | 3-4 | 2.66 | 1.11 |
| 1983-05-28 | Mike Torrez | R | 37 | L 4-5 | @ SDN | 10 | 425 | L | 5.1 | 10 | 5 | 5 | 0 | 3 | 2 | 0 | 0 | 0 | -- | 2-6 | 5.08 | 1.68 |
| 1983-05-29 | Ed Lynch | R | 27 | W 3-2 | @ SDN | 5 | 34 | W | 8.0 | 7 | 2 | 1 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 3-2 | 3.35 | 1.09 |
| 1983-05-30 | Neil Allen | R | 25 | L 0-5 | @ SFN | 4 | 9 | L | 4.2 | 8 | 5 | 5 | 1 | 2 | 3 | 0 | 0 | 0 | -- | 2-6 | 4.93 | 1.79 |
| 1983-05-31 | Scott Holman | R | 25 | L 1-2 | @ SFN | 6 | 10 | L | 6.0 | 7 | 2 | 2 | 1 | 4 | 1 | 0 | 0 | 0 | -- | 0-3 | 4.22 | 1.50 |
| 1983-06-01 | Tom Seaver | R | 39 | L 2-4 | @ SFN | 11 | 530 | L | 7.0 | 5 | 4 | 3 | 1 | 2 | 4 | 0 | 0 | 0 | -- | 3-5 | 2.77 | 1.10 |
| 1983-06-02 | Mike Torrez | R | 37 | L 4-5 | @ LAN | 11 | 426 | - | 8.0 | 6 | 4 | 3 | 1 | 3 | 2 | 0 | 0 | 0 | -- | 2-6 | 4.89 | 1.61 |
| 1983-06-03 | Ed Lynch | R | 27 | W 5-2 | @ LAN | 6 | 35 | W | 7.0 | 6 | 2 | 2 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 4-2 | 3.24 | 1.10 |
| 1983-06-04 | Craig Swan | R | 33 | L 1-2 | @ LAN | 6 | 172 | - | 6.0 | 5 | 1 | 1 | 1 | 2 | 4 | 0 | 0 | 0 | -- | 1-2 | 4.25 | 1.50 |
| 1983-06-05 | Scott Holman | R | 25 | W 4-2 | @ LAN | 7 | 11 | W | 8.1 | 8 | 2 | 1 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 1-3 | 3.51 | 1.41 |
| 1983-06-07 | Tom Seaver | R | 39 | L 1-6 | @ CHN | 12 | 531 | - | 5.0 | 6 | 1 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | -- | 3-5 | 2.71 | 1.11 |
| 1983-06-08 | Mike Torrez | R | 37 | L 1-2 | @ CHN | 12 | 427 | L | 8.2 | 6 | 2 | 2 | 1 | 3 | 0 | 0 | 0 | 0 | -- | 2-7 | 4.56 | 1.54 |
| 1983-06-09 | Ed Lynch | R | 27 | W 6-4 | @ CHN | 7 | 36 | - | 6.1 | 11 | 3 | 3 | 1 | 3 | 0 | 0 | 0 | 0 | -- | 4-2 | 3.38 | 1.23 |
| 1983-06-10 | Craig Swan | R | 33 | L 4-2 | vs MON | 7 | 173 | - | 7.0 | 7 | 1 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | -- | 1-2 | 3.77 | 1.44 |
| 1983-06-11 | Scott Holman | R | 25 | W 2-5 | vs MON | 8 | 12 | L | 5.1 | 4 | 4 | 4 | 0 | 5 | 1 | 0 | 0 | 0 | -- | 1-4 | 3.91 | 1.46 |
| 1983-06-12 | Tom Seaver | R | 39 | L 9-1 | vs MON | 13 | 532 | W | 9.0 | 4 | 1 | 1 | 0 | 5 | 3 | 0 | 0 | 0 | -- | 4-5 | 2.54 | 1.10 |
| 1983-06-13 | Mike Torrez | R | 37 | W 3-7 | vs CHN | 13 | 428 | L | 4.2 | 7 | 4 | 2 | 1 | 1 | 3 | 0 | 0 | 0 | -- | 2-8 | 4.50 | 1.55 |
| 1983-06-14 | Ed Lynch | R | 27 | L 4-3 | vs CHN | 8 | 37 | - | 8.0 | 8 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | -- | 4-2 | 3.23 | 1.20 |
| 1983-06-15 | Craig Swan | R | 33 | W 4-7 | vs CHN | 8 | 174 | - | 1.1 | 6 | 4 | 4 | 0 | 1 | 2 | 0 | 0 | 0 | -- | 1-2 | 4.50 | 1.57 |
| 1983-06-17 | Tom Seaver | R | 39 | L 2-7 | @ MON | 14 | 533 | L | 5.0 | 7 | 5 | 3 | 0 | 6 | 3 | 0 | 0 | 0 | -- | 4-6 | 2.69 | 1.18 |
| 1983-06-18 | Mike Torrez | R | 37 | W 6-1 | @ MON | 14 | 429 | W | 6.0 | 3 | 1 | 1 | 0 | 4 | 1 | 0 | 0 | 0 | -- | 3-8 | 4.30 | 1.53 |
| 1983-06-19 | Ed Lynch | R | 27 | L 3-4 | @ MON | 9 | 38 | L | 6.0 | 8 | 4 | 4 | 1 | 4 | 0 | 0 | 0 | 0 | -- | 4-3 | 3.47 | 1.27 |
| 1983-06-20 | Craig Swan | R | 33 | W 1-3 | vs SLN | 9 | 175 | L | 7.0 | 5 | 3 | 3 | 0 | 2 | 4 | 0 | 0 | 0 | -- | 1-3 | 4.41 | 1.49 |
| 1983-06-20 | Walt Terrell | R | 25 | L 6-4 | vs SLN | 1 | 4 | W | 5.2 | 5 | 4 | 4 | 1 | 2 | 1 | 0 | 0 | 0 | -- | 1-0 | 6.00 | 1.17 |
| 1983-06-21 | Tom Gorman | L | 26 | W 0-6 | vs SLN | 1 | 2 | L | 2.1 | 6 | 5 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | -- | 0-1 | 22.50 | 3.00 |
| 1983-06-22 | Tom Seaver | R | 39 | L 6-4 | vs SLN | 15 | 534 | W | 9.0 | 7 | 4 | 4 | 1 | 4 | 4 | 0 | 0 | 0 | -- | 5-6 | 2.80 | 1.18 |
| 1983-06-22 | Mike Torrez | R | 37 | L 2-1 | vs SLN | 15 | 430 | W | 7.0 | 5 | 1 | 0 | 0 | 2 | 4 | 0 | 0 | 0 | -- | 4-8 | 3.99 | 1.49 |
| 1983-06-23 | Ed Lynch | R | 27 | L 7-5 | vs SLN | 10 | 39 | - | 2.2 | 5 | 4 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | -- | 4-3 | 3.70 | 1.30 |
| 1983-06-24 | Craig Swan | R | 33 | W 3-6 | vs PHI | 10 | 176 | L | 0.2 | 3 | 4 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | -- | 1-4 | 5.02 | 1.56 |
| 1983-06-25 | Walt Terrell | R | 25 | W 2-4 | vs PHI | 2 | 5 | L | 5.1 | 6 | 4 | 4 | 0 | 3 | 3 | 0 | 0 | 0 | -- | 1-1 | 6.55 | 1.45 |
| 1983-06-26 | Tom Seaver | R | 39 | W 4-8 | vs PHI | 16 | 535 | L | 5.2 | 9 | 7 | 7 | 2 | 0 | 4 | 0 | 0 | 0 | -- | 5-7 | 3.21 | 1.20 |
| 1983-06-26 | Mike Torrez | R | 37 | L 5-1 | vs PHI | 16 | 431 | W | 9.0 | 3 | 1 | 1 | 0 | 5 | 9 | 0 | 0 | 0 | -- | 5-8 | 3.74 | 1.44 |
| 1983-06-28 | Ed Lynch | R | 27 | W 10-1 | @ SLN | 11 | 40 | W | 8.0 | 7 | 1 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | -- | 5-3 | 3.36 | 1.25 |
| 1983-06-28 | Tom Gorman | L | 26 | L 1-8 | @ SLN | 2 | 3 | L | 4.0 | 3 | 3 | 3 | 2 | 1 | 2 | 0 | 0 | 0 | -- | 0-2 | 9.00 | 1.38 |
| 1983-06-29 | Craig Swan | R | 33 | L 3-4 | @ SLN | 11 | 177 | - | 5.0 | 7 | 3 | 3 | 0 | 2 | 2 | 0 | 0 | 0 | -- | 1-4 | 4.97 | 1.55 |
| 1983-06-30 | Walt Terrell | R | 25 | L 1-6 | @ SLN | 3 | 6 | L | 6.0 | 5 | 3 | 3 | 0 | 3 | 1 | 0 | 0 | 0 | -- | 1-2 | 5.82 | 1.41 |
| 1983-07-01 | Tom Seaver | R | 39 | L 1-5 | @ PHI | 17 | 536 | L | 8.0 | 9 | 5 | 5 | 0 | 5 | 3 | 0 | 0 | 0 | -- | 5-8 | 3.38 | 1.23 |
| 1983-07-02 | Mike Torrez | R | 37 | L 5-6 | @ PHI | 17 | 432 | - | 6.0 | 9 | 5 | 5 | 2 | 4 | 2 | 0 | 0 | 0 | -- | 5-8 | 3.94 | 1.48 |
| 1983-07-02 | Ed Lynch | R | 27 | W 4-3 | @ PHI | 12 | 41 | W | 6.0 | 6 | 2 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | -- | 6-3 | 3.34 | 1.26 |
| 1983-07-03 | Craig Swan | R | 33 | L 4-6 | @ PHI | 12 | 178 | - | 6.1 | 8 | 4 | 4 | 1 | 1 | 5 | 0 | 0 | 0 | -- | 1-4 | 5.06 | 1.55 |
| 1983-07-04 | Walt Terrell | R | 25 | L 0-4 | @ PHI | 4 | 7 | L | 7.0 | 4 | 4 | 3 | 0 | 6 | 5 | 0 | 0 | 0 | -- | 1-3 | 5.25 | 1.42 |
| 1983-07-08 | Mike Torrez | R | 37 | W 3-6 | vs HOU | 18 | 433 | L | 0.2 | 6 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | -- | 5-9 | 4.30 | 1.52 |
| 1983-07-09 | Tom Seaver | R | 39 | W 3-7 | vs HOU | 18 | 537 | L | 5.0 | 7 | 6 | 5 | 3 | 3 | 2 | 0 | 0 | 0 | -- | 5-9 | 3.60 | 1.26 |
| 1983-07-10 | Ed Lynch | R | 27 | L 7-5 | vs HOU | 13 | 42 | - | 5.0 | 11 | 5 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | -- | 6-3 | 3.64 | 1.32 |
| 1983-07-12 | Mike Torrez | R | 37 | W 2-6 | vs CIN | 19 | 434 | L | 6.0 | 7 | 5 | 4 | 1 | 1 | 2 | 0 | 0 | 0 | -- | 5-10 | 4.39 | 1.51 |
| 1983-07-13 | Walt Terrell | R | 25 | W 1-3 | vs CIN | 5 | 8 | L | 6.0 | 8 | 3 | 2 | 0 | 1 | 4 | 0 | 0 | 0 | -- | 1-4 | 4.78 | 1.47 |
| 1983-07-14 | Tom Seaver | R | 39 | L 7-4 | vs CIN | 19 | 538 | W | 6.0 | 7 | 4 | 4 | 0 | 4 | 7 | 0 | 0 | 0 | -- | 6-9 | 3.71 | 1.29 |
| 1983-07-15 | Ed Lynch | R | 27 | L 0-6 | @ HOU | 14 | 43 | L | 4.1 | 9 | 4 | 4 | 0 | 3 | 0 | 0 | 0 | 0 | -- | 6-4 | 3.86 | 1.39 |
| 1983-07-16 | Mike Torrez | R | 37 | L 1-3 | @ HOU | 20 | 435 | L | 7.0 | 4 | 3 | 2 | 0 | 5 | 7 | 0 | 0 | 0 | -- | 5-11 | 4.29 | 1.50 |
| 1983-07-17 | Walt Terrell | R | 25 | W 3-1 | @ HOU | 6 | 9 | W | 6.0 | 4 | 1 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | -- | 2-4 | 4.26 | 1.39 |
| 1983-07-18 | Tom Gorman | L | 26 | L 4-7 | @ ATL | 3 | 4 | L | 4.2 | 5 | 5 | 5 | 0 | 1 | 2 | 0 | 0 | 0 | -- | 0-3 | 6.30 | 0.95 |
| 1983-07-19 | Tom Seaver | R | 39 | L 7-11 | @ ATL | 20 | 539 | - | 5.0 | 7 | 5 | 4 | 1 | 1 | 2 | 0 | 0 | 0 | -- | 6-9 | 3.84 | 1.30 |
| 1983-07-20 | Ed Lynch | R | 27 | W 3-2 | @ ATL | 15 | 44 | W | 7.0 | 7 | 2 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | -- | 7-4 | 3.77 | 1.38 |
| 1983-07-21 | Mike Torrez | R | 37 | L 1-6 | @ CIN | 21 | 436 | L | 3.1 | 3 | 5 | 5 | 1 | 10 | 1 | 0 | 0 | 0 | -- | 5-12 | 4.53 | 1.57 |
| 1983-07-22 | Walt Terrell | R | 25 | W 3-2 | @ CIN | 7 | 10 | - | 7.0 | 11 | 2 | 2 | 0 | 2 | 4 | 0 | 0 | 0 | -- | 2-4 | 4.00 | 1.47 |
| 1983-07-23 | Tom Gorman | L | 26 | L 3-7 | @ CIN | 4 | 5 | L | 3.0 | 4 | 3 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | -- | 0-4 | 6.26 | 1.09 |
| 1983-07-24 | Tom Seaver | R | 39 | L 2-4 | @ CIN | 21 | 540 | L | 7.0 | 6 | 4 | 3 | 0 | 4 | 5 | 0 | 0 | 0 | -- | 6-10 | 3.84 | 1.31 |
| 1983-07-25 | Ed Lynch | R | 27 | L 5-4 | vs ATL | 16 | 45 | - | 7.2 | 10 | 4 | 2 | 1 | 3 | 4 | 0 | 0 | 0 | -- | 7-4 | 3.66 | 1.40 |
| 1983-07-26 | Mike Torrez | R | 37 | L 2-1 | vs ATL | 22 | 437 | W | 10.0 | 4 | 1 | 1 | 1 | 3 | 3 | 0 | 0 | 0 | -- | 6-12 | 4.27 | 1.50 |
| 1983-07-27 | Walt Terrell | R | 25 | W 3-6 | vs ATL | 8 | 11 | - | 5.2 | 6 | 2 | 2 | 0 | 5 | 3 | 0 | 0 | 0 | -- | 2-4 | 3.88 | 1.51 |
| 1983-07-28 | Craig Swan | R | 33 | W 2-6 | vs PIT | 13 | 179 | L | 1.1 | 6 | 5 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | -- | 1-5 | 5.45 | 1.61 |
| 1983-07-29 | Tom Seaver | R | 39 | W 1-2 | vs PIT | 22 | 541 | L | 8.0 | 4 | 2 | 2 | 2 | 2 | 4 | 0 | 0 | 0 | -- | 6-11 | 3.75 | 1.28 |
| 1983-07-30 | Ed Lynch | R | 27 | W 3-6 | vs PIT | 17 | 46 | L | 4.2 | 5 | 6 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | -- | 7-5 | 3.62 | 1.39 |
| 1983-07-31 | Walt Terrell | R | 25 | L 7-6 | vs PIT | 9 | 12 | - | 0.0 | 3 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | -- | 2-4 | 4.59 | 1.59 |
| 1983-07-31 | Mike Torrez | R | 37 | L 1-0 | vs PIT | 23 | 438 | - | 11.0 | 8 | 0 | 0 | 0 | 5 | 2 | 0 | 0 | 0 | -- | 6-12 | 3.96 | 1.48 |
| 1983-08-02 | Craig Swan | R | 33 | L 5-2 | vs MON | 14 | 180 | W | 7.0 | 5 | 2 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | -- | 2-5 | 5.19 | 1.54 |
| 1983-08-03 | Tom Seaver | R | 39 | L 2-1 | vs MON | 23 | 542 | - | 8.0 | 5 | 1 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | -- | 6-11 | 3.62 | 1.25 |
| 1983-08-04 | Ed Lynch | R | 27 | W 1-2 | vs MON | 18 | 47 | L | 6.0 | 10 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | -- | 7-6 | 3.59 | 1.42 |
| 1983-08-05 | Mike Torrez | R | 37 | W 9-4 | @ CHN | 24 | 439 | - | 5.2 | 5 | 4 | 4 | 1 | 6 | 1 | 0 | 0 | 0 | -- | 6-12 | 4.04 | 1.49 |
| 1983-08-06 | Walt Terrell | R | 25 | W 4-1 | @ CHN | 10 | 13 | W | 7.1 | 7 | 1 | 1 | 0 | 2 | 4 | 0 | 0 | 0 | -- | 3-4 | 4.19 | 1.55 |
| 1983-08-07 | Craig Swan | R | 33 | W 6-4 | @ CHN | 15 | 181 | - | 4.0 | 5 | 4 | 4 | 1 | 3 | 3 | 0 | 0 | 0 | -- | 2-5 | 5.38 | 1.56 |
| 1983-08-08 | Tom Seaver | R | 39 | W 6-5 | @ MON | 24 | 543 | - | 7.0 | 8 | 5 | 3 | 1 | 0 | 4 | 0 | 0 | 0 | -- | 6-11 | 3.63 | 1.24 |
| 1983-08-09 | Ed Lynch | R | 27 | L 3-7 | @ MON | 19 | 48 | L | 5.0 | 8 | 4 | 4 | 0 | 1 | 2 | 0 | 0 | 0 | -- | 7-7 | 3.73 | 1.44 |
| 1983-08-10 | Mike Torrez | R | 37 | L 3-5 | @ MON | 25 | 440 | L | 6.2 | 10 | 5 | 4 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 6-13 | 4.09 | 1.50 |
| 1983-08-12 | Walt Terrell | R | 25 | L 2-0 | vs CHN | 11 | 14 | W | 9.0 | 4 | 0 | 0 | 0 | 2 | 7 | 0 | 0 | 0 | -- | 4-4 | 3.63 | 1.43 |
| 1983-08-13 | Tom Seaver | R | 39 | L 5-1 | vs CHN | 25 | 544 | W | 6.2 | 7 | 1 | 1 | 0 | 2 | 8 | 0 | 0 | 0 | -- | 7-11 | 3.56 | 1.25 |
| 1983-08-14 | Ed Lynch | R | 27 | L 5-2 | vs CHN | 20 | 49 | W | 8.0 | 5 | 2 | 2 | 1 | 1 | 3 | 0 | 0 | 0 | -- | 8-7 | 3.64 | 1.40 |
| 1983-08-15 | Mike Torrez | R | 37 | L 2-4 | @ PIT | 26 | 441 | L | 6.0 | 5 | 4 | 4 | 2 | 2 | 2 | 0 | 0 | 0 | -- | 6-14 | 4.15 | 1.49 |
| 1983-08-16 | Craig Swan | R | 33 | L 1-3 | @ PIT | 16 | 182 | L | 6.0 | 5 | 3 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | -- | 2-6 | 5.32 | 1.53 |
| 1983-08-17 | Walt Terrell | R | 25 | L 1-4 | @ LAN | 12 | 15 | L | 7.0 | 7 | 3 | 3 | 0 | 5 | 3 | 0 | 0 | 0 | -- | 4-5 | 3.65 | 1.46 |
| 1983-08-19 | Tom Seaver | R | 39 | W 7-6 | @ SFN | 26 | 545 | - | 5.0 | 5 | 5 | 5 | 0 | 3 | 1 | 0 | 0 | 0 | -- | 7-11 | 3.71 | 1.26 |
| 1983-08-20 | Ed Lynch | R | 27 | W 7-2 | @ SFN | 21 | 50 | W | 9.0 | 8 | 2 | 2 | 1 | 0 | 2 | 0 | 0 | 0 | -- | 9-7 | 3.54 | 1.37 |
| 1983-08-21 | Mike Torrez | R | 37 | W 4-3 | @ SFN | 27 | 442 | W | 8.1 | 5 | 3 | 3 | 0 | 7 | 4 | 0 | 0 | 0 | -- | 7-14 | 4.12 | 1.49 |
| 1983-08-22 | Craig Swan | R | 33 | L 3-4 | @ SDN | 17 | 183 | L | 6.1 | 9 | 4 | 4 | 2 | 3 | 1 | 0 | 0 | 0 | -- | 2-7 | 5.31 | 1.55 |
| 1983-08-23 | Walt Terrell | R | 25 | W 8-3 | @ SDN | 13 | 16 | W | 9.0 | 9 | 3 | 3 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 5-5 | 3.58 | 1.43 |
| 1983-08-24 | Tom Seaver | R | 39 | L 2-3 | @ SDN | 27 | 546 | L | 7.0 | 8 | 3 | 3 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 7-12 | 3.72 | 1.27 |
| 1983-08-26 | Ed Lynch | R | 27 | W 1-12 | vs SFN | 22 | 51 | L | 3.0 | 6 | 5 | 5 | 2 | 0 | 3 | 0 | 0 | 0 | -- | 9-8 | 3.77 | 1.38 |
| 1983-08-27 | Mike Torrez | R | 37 | L 6-3 | vs SFN | 28 | 443 | W | 5.2 | 7 | 2 | 2 | 0 | 2 | 3 | 0 | 0 | 0 | -- | 8-14 | 4.08 | 1.49 |
| 1983-08-28 | Craig Swan | R | 33 | W 2-7 | vs SFN | 18 | 184 | L | 1.2 | 6 | 3 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | -- | 2-8 | 5.53 | 1.59 |
| 1983-08-29 | Tom Seaver | R | 39 | W 1-6 | vs LAN | 28 | 547 | L | 8.0 | 10 | 5 | 4 | 0 | 3 | 0 | 0 | 0 | 0 | -- | 7-13 | 3.75 | 1.28 |
| 1983-08-29 | Walt Terrell | R | 25 | W 3-7 | vs LAN | 14 | 17 | L | 6.0 | 8 | 6 | 6 | 1 | 1 | 4 | 0 | 0 | 0 | -- | 5-6 | 3.94 | 1.44 |
| 1983-08-30 | Ed Lynch | R | 28 | L 3-2 | vs LAN | 23 | 52 | - | 7.0 | 7 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | -- | 9-8 | 3.66 | 1.37 |
| 1983-08-30 | Scott Holman | R | 25 | W 1-2 | vs LAN | 9 | 13 | L | 7.0 | 5 | 2 | 2 | 0 | 1 | 3 | 0 | 0 | 0 | -- | 1-6 | 3.81 | 1.40 |
| 1983-08-31 | Mike Torrez | R | 37 | L 7-1 | vs LAN | 29 | 444 | W | 9.0 | 8 | 1 | 1 | 0 | 2 | 6 | 0 | 0 | 0 | -- | 9-14 | 3.94 | 1.47 |
| 1983-09-02 | Walt Terrell | R | 25 | L 7-3 | vs SDN | 15 | 18 | W | 7.0 | 6 | 2 | 2 | 1 | 3 | 3 | 0 | 0 | 0 | -- | 6-6 | 3.84 | 1.43 |
| 1983-09-03 | Tom Seaver | R | 39 | L 4-3 | vs SDN | 29 | 548 | - | 6.1 | 4 | 3 | 3 | 0 | 2 | 1 | 0 | 0 | 0 | -- | 7-13 | 3.75 | 1.27 |
| 1983-09-04 | Ed Lynch | R | 28 | W 5-7 | vs SDN | 24 | 53 | L | 4.2 | 6 | 6 | 6 | 1 | 2 | 1 | 0 | 0 | 0 | -- | 9-9 | 3.88 | 1.38 |
| 1983-09-05 | Mike Torrez | R | 37 | L 6-5 | vs PHI | 30 | 445 | - | 5.0 | 4 | 3 | 3 | 1 | 3 | 1 | 0 | 0 | 0 | -- | 9-14 | 3.97 | 1.47 |
| 1983-09-06 | Ron Darling | R | 23 | W 0-2 | vs PHI | 1 | 1 | L | 6.1 | 5 | 1 | 1 | 0 | 1 | 6 | 0 | 0 | 0 | -- | 0-1 | 1.50 | 1.00 |
| 1983-09-07 | Walt Terrell | R | 25 | W 1-6 | vs PHI | 16 | 19 | L | 6.1 | 7 | 5 | 4 | 0 | 5 | 2 | 0 | 0 | 0 | -- | 6-7 | 3.97 | 1.46 |
| 1983-09-09 | Tom Seaver | R | 39 | W 5-4 | @ MON | 30 | 549 | W | 8.1 | 6 | 4 | 4 | 0 | 3 | 4 | 0 | 0 | 0 | -- | 8-13 | 3.78 | 1.26 |
| 1983-09-10 | Ed Lynch | R | 28 | L 9-10 | @ MON | 25 | 54 | - | 1.0 | 5 | 6 | 6 | 2 | 4 | 0 | 0 | 0 | 0 | -- | 9-9 | 4.19 | 1.42 |
| 1983-09-11 | Mike Torrez | R | 37 | L 0-4 | @ MON | 31 | 446 | L | 6.0 | 8 | 4 | 4 | 0 | 3 | 1 | 0 | 0 | 0 | -- | 9-15 | 4.03 | 1.48 |
| 1983-09-12 | Ron Darling | R | 23 | L 1-2 | @ PHI | 2 | 2 | L | 7.0 | 5 | 2 | 2 | 0 | 6 | 3 | 0 | 0 | 0 | -- | 0-2 | 2.08 | 1.31 |
| 1983-09-13 | Walt Terrell | R | 25 | W 5-1 | @ PHI | 17 | 20 | W | 9.0 | 6 | 1 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | -- | 7-7 | 3.65 | 1.42 |
| 1983-09-14 | Tom Seaver | R | 39 | W 1-2 | vs SLN | 31 | 550 | L | 7.0 | 6 | 2 | 1 | 1 | 2 | 4 | 0 | 0 | 0 | -- | 8-14 | 3.70 | 1.26 |
| 1983-09-15 | Ed Lynch | R | 28 | L 6-4 | vs SLN | 26 | 55 | W | 7.0 | 9 | 4 | 4 | 2 | 0 | 2 | 0 | 0 | 0 | -- | 10-9 | 4.23 | 1.42 |
| 1983-09-16 | Mike Torrez | R | 37 | W 4-7 | vs CHN | 32 | 447 | L | 5.1 | 8 | 7 | 5 | 0 | 3 | 4 | 0 | 0 | 0 | -- | 9-16 | 4.15 | 1.50 |
| 1983-09-17 | Ron Darling | R | 23 | W 6-7 | vs CHN | 3 | 3 | - | 6.0 | 7 | 3 | 3 | 0 | 2 | 2 | 0 | 0 | 0 | -- | 0-2 | 2.84 | 1.37 |
| 1983-09-18 | Walt Terrell | R | 25 | W 5-6 | vs CHN | 18 | 21 | - | 6.1 | 5 | 4 | 4 | 0 | 4 | 2 | 0 | 0 | 0 | -- | 7-7 | 3.74 | 1.42 |
| 1983-09-19 | Tom Seaver | R | 39 | L 5-4 | vs PIT | 32 | 551 | - | 8.0 | 6 | 2 | 2 | 0 | 2 | 7 | 0 | 0 | 0 | -- | 8-14 | 3.65 | 1.25 |
| 1983-09-20 | Ed Lynch | R | 28 | W 0-4 | vs PIT | 27 | 56 | L | 6.2 | 10 | 4 | 4 | 1 | 1 | 2 | 0 | 0 | 0 | -- | 10-10 | 4.27 | 1.42 |
| 1983-09-21 | Mike Torrez | R | 37 | L 3-9 | @ SLN | 33 | 448 | L | 6.0 | 10 | 4 | 4 | 0 | 2 | 4 | 0 | 0 | 0 | -- | 9-17 | 4.21 | 1.51 |
| 1983-09-22 | Ron Darling | R | 23 | L 2-3 | @ SLN | 4 | 4 | L | 7.0 | 7 | 3 | 3 | 0 | 4 | 7 | 0 | 0 | 0 | -- | 0-3 | 3.12 | 1.42 |
| 1983-09-23 | Walt Terrell | R | 25 | L 1-4 | @ CHN | 19 | 22 | L | 7.0 | 6 | 4 | 4 | 3 | 1 | 5 | 0 | 0 | 0 | -- | 7-8 | 3.82 | 1.39 |
| 1983-09-24 | Tom Seaver | R | 39 | W 7-6 | @ CHN | 33 | 552 | W | 8.0 | 7 | 1 | 1 | 0 | 3 | 5 | 0 | 0 | 0 | -- | 9-14 | 3.56 | 1.25 |
| 1983-09-25 | Tim Leary | R | 25 | L 7-11 | @ CHN | 1 | 2 | L | 1.2 | 6 | 6 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | -- | 0-1 | 4.50 | 3.50 |
| 1983-09-27 | Mike Torrez | R | 37 | W 4-3 | @ PIT | 34 | 449 | W | 8.0 | 8 | 3 | 3 | 0 | 3 | 3 | 0 | 0 | 0 | -- | 10-17 | 4.38 | 1.53 |
| 1983-09-28 | Ron Darling | R | 23 | W 4-2 | @ PIT | 5 | 5 | W | 9.0 | 7 | 2 | 2 | 0 | 4 | 5 | 0 | 0 | 0 | -- | 1-3 | 2.83 | 1.37 |
| 1983-09-29 | Scott Holman | R | 25 | L 2-4 | @ PIT | 10 | 14 | L | 5.0 | 6 | 4 | 3 | 0 | 2 | 2 | 0 | 0 | 0 | -- | 1-7 | 3.74 | 1.41 |
| 1983-10-01 | Tom Seaver | R | 39 | L 5-4 | vs MON | 34 | 553 | - | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 9-14 | 3.55 | 1.24 |
| 1983-10-02 | Walt Terrell | R | 25 | L 1-0 | vs MON | 20 | 23 | W | 9.0 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | -- | 8-8 | 3.56 | 1.33 |
| 1983-10-02 | Tim Leary | R | 25 | L 5-4 | vs MON | 2 | 3 | W | 9.0 | 9 | 4 | 3 | 0 | 3 | 8 | 0 | 0 | 0 | -- | 1-1 | 3.27 | 1.73 |