| 1983-04-06 | @ CHN | 1 | W 3-0 | 1-0 | 1 | 4,802 | Steve Rogers | Fergie Jenkins | Steve Rogers | Fergie Jenkins | | 3 | 0 | 3 |
| 1983-04-07 | @ CHN | 2 | W 7-3 | 2-0 | 1 | 10,015 | Bill Gullickson | Dickie Noles | Bill Gullickson | Dickie Noles | | 10 | 3 | 7 |
| 1983-04-08 | @ LAN | 3 | W 8-3 | 3-0 | 1 | 45,369 | Scott Sanderson | Burt Hooton | Scott Sanderson | Burt Hooton | Bryn Smith | 18 | 6 | 12 |
| 1983-04-09 | @ LAN | 4 | W 7-2 | 4-0 | 1 | 34,790 | Charlie Lea | Bob Welch | Charlie Lea | Bob Welch | | 25 | 8 | 17 |
| 1983-04-10 | @ LAN | 5 | L 0-3 | 4-1 | 2 | 39,873 | Steve Rogers | Fernando Valenzuela | Fernando Valenzuela | Steve Rogers | | 25 | 11 | 14 |
| 1983-04-12 | vs CHN | 6 | L 0-5 | 4-2 | 2 | 40,088 | Bill Gullickson | Steve Trout | Steve Trout | Bill Gullickson | | 25 | 16 | 9 |
| 1983-04-14 | vs CHN | 7 | W 4-3 | 5-2 | 2 | 8,661 | Scott Sanderson | Chuck Rainey | Scott Sanderson | Chuck Rainey | Jeff Reardon | 29 | 19 | 10 |
| 1983-04-15 | @ HOU | 8 | L 6-7 | 5-3 | 3 | 10,237 | Steve Rogers | Mike LaCoss | Bill Dawley | Ray Burris | | 35 | 26 | 9 |
| 1983-04-16 | @ HOU | 9 | W 2-0 | 6-3 | 2 | 12,182 | Charlie Lea | Bob Knepper | Charlie Lea | Bob Knepper | | 37 | 26 | 11 |
| 1983-04-17 | @ HOU | 10 | L 3-6 | 6-4 | 3 | 9,334 | Bill Gullickson | Nolan Ryan | Nolan Ryan | Bill Gullickson | Vern Ruhle | 40 | 32 | 8 |
| 1983-04-21 | vs SLN | 11 | W 6-5 | 7-4 | 2 | 8,392 | Scott Sanderson | Joaquin Andujar | Scott Sanderson | Joaquin Andujar | | 46 | 37 | 9 |
| 1983-04-22 | @ CIN | 12 | W 4-0 | 8-4 | 1 | 14,731 | Steve Rogers | Frank Pastore | Steve Rogers | Frank Pastore | | 50 | 37 | 13 |
| 1983-04-24 | @ CIN | 13 | W 5-4 | 9-4 | 2 | 30,037 | Charlie Lea | Mario Soto | Jeff Reardon | Mario Soto | Bryn Smith | 55 | 41 | 14 |
| 1983-04-26 | vs HOU | 14 | L 0-2 | 9-5 | 1 | 8,737 | Bill Gullickson | Bob Knepper | Bob Knepper | Bill Gullickson | | 55 | 43 | 12 |
| 1983-04-27 | vs HOU | 15 | L 2-4 | 9-6 | 3 | 19,309 | Scott Sanderson | Nolan Ryan | Nolan Ryan | Scott Sanderson | Frank LaCorte | 57 | 47 | 10 |
| 1983-04-29 | vs CIN | 16 | W 9-6 | 10-6 | 2 | 15,480 | Steve Rogers | Frank Pastore | Steve Rogers | Frank Pastore | Jeff Reardon | 66 | 53 | 13 |
| 1983-04-30 | vs CIN | 17 | L 3-4 | 10-7 | 3 | 20,316 | Charlie Lea | Rich Gale | Rich Gale | Charlie Lea | Tom Hume | 69 | 57 | 12 |
| 1983-05-01 | vs CIN | 18 | W 5-4 | 11-8 | 3 | 0 | Bill Gullickson | Bruce Berenyi | Bill Gullickson | Bruce Berenyi | Bryn Smith | 74 | 61 | 13 |
| 1983-05-01 | vs CIN | 19 | L 3-6 | 11-8 | 3 | 33,407 | Randy Lerch | Joe Price | Joe Price | Ray Burris | Tom Hume | 77 | 67 | 10 |
| 1983-05-03 | vs ATL | 20 | L 2-5 | 11-9 | 3 | 10,625 | Scott Sanderson | Rick Behenna | Rick Behenna | Rick Grapenthin | Terry Forster | 79 | 72 | 7 |
| 1983-05-04 | vs ATL | 21 | W 4-1 | 12-9 | 3 | 10,193 | Steve Rogers | Rick Camp | Steve Rogers | Rick Camp | | 83 | 73 | 10 |
| 1983-05-06 | vs PHI | 22 | L 2-5 | 12-10 | 3 | 25,178 | Charlie Lea | John Denny | Ron Reed | Bryn Smith | | 85 | 78 | 7 |
| 1983-05-07 | vs PHI | 23 | W 3-2 | 13-10 | 2 | 25,191 | Bill Gullickson | Larry Christenson | Bill Gullickson | Porfi Altamirano | | 88 | 80 | 8 |
| 1983-05-09 | @ ATL | 24 | W 5-3 | 14-10 | 2 | 16,231 | Steve Rogers | Rick Camp | Steve Rogers | Rick Camp | | 93 | 83 | 10 |
| 1983-05-10 | @ ATL | 25 | L 2-4 | 14-11 | 2 | 16,977 | Scott Sanderson | Craig McMurtry | Craig McMurtry | Scott Sanderson | Steve Bedrosian | 95 | 87 | 8 |
| 1983-05-11 | @ ATL | 26 | W 8-5 | 15-11 | 2 | 16,866 | Charlie Lea | Phil Niekro | Dan Schatzeder | Steve Bedrosian | | 103 | 92 | 11 |
| 1983-05-12 | @ SLN | 27 | L 0-4 | 15-12 | 2 | 21,205 | Bill Gullickson | Bob Forsch | Bob Forsch | Bill Gullickson | | 103 | 96 | 7 |
| 1983-05-13 | @ SLN | 28 | L 4-5 | 15-13 | 3 | 22,703 | Chris Welsh | Joaquin Andujar | John Martin | Bryn Smith | | 107 | 101 | 6 |
| 1983-05-14 | @ SLN | 29 | L 2-3 | 15-14 | 3 | 25,887 | Steve Rogers | Dave LaPoint | Bruce Sutter | Jeff Reardon | | 109 | 104 | 5 |
| 1983-05-15 | @ SLN | 30 | L 2-4 | 15-15 | 3 | 36,157 | Scott Sanderson | John Stuper | John Stuper | Scott Sanderson | | 111 | 108 | 3 |
| 1983-05-17 | vs LAN | 31 | W 3-2 | 16-15 | 3 | 20,135 | Charlie Lea | Fernando Valenzuela | Dan Schatzeder | Steve Howe | | 114 | 110 | 4 |
| 1983-05-18 | vs LAN | 32 | L 3-13 | 16-16 | 3 | 18,779 | Bill Gullickson | Burt Hooton | Dave Stewart | Bill Gullickson | | 117 | 123 | -6 |
| 1983-05-20 | vs SFN | 33 | W 7-1 | 17-16 | 3 | 25,143 | Steve Rogers | Fred Breining | Steve Rogers | Fred Breining | | 124 | 124 | 0 |
| 1983-05-21 | vs SFN | 34 | L 2-5 | 17-17 | 3 | 28,129 | Scott Sanderson | Bill Laskey | Bill Laskey | Scott Sanderson | Gary Lavelle | 126 | 129 | -3 |
| 1983-05-22 | vs SFN | 35 | W 2-0 | 18-17 | 3 | 30,734 | Charlie Lea | Atlee Hammaker | Charlie Lea | Atlee Hammaker | Jeff Reardon | 128 | 129 | -1 |
| 1983-05-23 | vs SDN | 36 | W 3-1 | 19-17 | 3 | 19,314 | Bill Gullickson | Dave Dravecky | Bill Gullickson | Dave Dravecky | Jeff Reardon | 131 | 130 | 1 |
| 1983-05-24 | vs SDN | 37 | W 5-4 | 20-17 | 2 | 17,343 | Chris Welsh | Tim Lollar | Jeff Reardon | Luis DeLeon | | 136 | 134 | 2 |
| 1983-05-25 | vs SDN | 38 | W 2-0 | 21-17 | 2 | 14,297 | Steve Rogers | Andy Hawkins | Steve Rogers | Andy Hawkins | | 138 | 134 | 4 |
| 1983-05-27 | @ PHI | 39 | W 7-4 | 22-17 | 2 | 25,573 | Scott Sanderson | Steve Carlton | Scott Sanderson | Steve Carlton | Jeff Reardon | 145 | 138 | 7 |
| 1983-05-28 | @ PHI | 40 | L 3-5 | 22-18 | 2 | 30,608 | Charlie Lea | John Denny | Guillermo Hernandez | Jeff Reardon | | 148 | 143 | 5 |
| 1983-05-29 | @ PHI | 41 | L 2-5 | 22-19 | 2 | 18,875 | Bill Gullickson | Larry Christenson | Larry Christenson | Bill Gullickson | Al Holland | 150 | 148 | 2 |
| 1983-05-30 | @ SDN | 42 | L 4-5 | 22-20 | 2 | 18,929 | Steve Rogers | Andy Hawkins | Gary Lucas | Steve Rogers | | 154 | 153 | 1 |
| 1983-05-31 | @ SDN | 43 | L 3-5 | 22-21 | 2 | 9,240 | Chris Welsh | Ed Whitson | John Montefusco | Jeff Reardon | | 157 | 158 | -1 |
| 1983-06-01 | @ SDN | 44 | W 8-6 | 23-21 | 2 | 11,180 | Scott Sanderson | Eric Show | Bryn Smith | Elias Sosa | | 165 | 164 | 1 |
| 1983-06-02 | @ SFN | 45 | W 11-4 | 24-21 | 2 | 9,674 | Charlie Lea | Andy McGaffigan | Ray Burris | Andy McGaffigan | | 176 | 168 | 8 |
| 1983-06-03 | @ SFN | 46 | W 9-2 | 25-21 | 2 | 14,924 | Bill Gullickson | Mike Krukow | Bill Gullickson | Mike Krukow | | 185 | 170 | 15 |
| 1983-06-04 | @ SFN | 47 | L 2-4 | 25-22 | 2 | 15,130 | Steve Rogers | Fred Breining | Gary Lavelle | Jeff Reardon | | 187 | 174 | 13 |
| 1983-06-05 | @ SFN | 48 | W 12-9 | 26-22 | 2 | 22,222 | Chris Welsh | Bill Laskey | Dan Schatzeder | Bill Laskey | | 199 | 183 | 16 |
| 1983-06-07 | vs PIT | 49 | L 2-3 | 26-23 | 2 | 31,730 | Charlie Lea | John Candelaria | John Candelaria | Charlie Lea | Kent Tekulve | 201 | 186 | 15 |
| 1983-06-08 | vs PIT | 50 | W 5-4 | 27-23 | 2 | 16,200 | Bill Gullickson | Rick Rhoden | Bill Gullickson | Rick Rhoden | Jeff Reardon | 206 | 190 | 16 |
| 1983-06-09 | vs PIT | 51 | L 3-6 | 27-24 | 2 | 34,313 | Steve Rogers | Larry McWilliams | Larry McWilliams | Steve Rogers | | 209 | 196 | 13 |
| 1983-06-10 | @ NYN | 52 | L 2-4 | 27-25 | 2 | 15,905 | Ray Burris | Craig Swan | Rick Ownbey | Bryn Smith | | 211 | 200 | 11 |
| 1983-06-11 | @ NYN | 53 | W 5-2 | 28-25 | 2 | 24,203 | Randy Lerch | Scott Holman | Randy Lerch | Scott Holman | Jeff Reardon | 216 | 202 | 14 |
| 1983-06-12 | @ NYN | 54 | L 1-9 | 28-26 | 2 | 24,393 | Charlie Lea | Tom Seaver | Tom Seaver | Charlie Lea | | 217 | 211 | 6 |
| 1983-06-13 | @ PIT | 55 | L 3-4 | 28-27 | 2 | 8,229 | Bill Gullickson | Rick Rhoden | Rick Rhoden | Bill Gullickson | Kent Tekulve | 220 | 215 | 5 |
| 1983-06-14 | @ PIT | 56 | W 7-3 | 29-27 | 2 | 9,588 | Steve Rogers | Larry McWilliams | Steve Rogers | Larry McWilliams | Jeff Reardon | 227 | 218 | 9 |
| 1983-06-15 | @ PIT | 57 | W 7-4 | 30-27 | 2 | 11,809 | Ray Burris | Jim Bibby | Ray Burris | Jim Bibby | Jeff Reardon | 234 | 222 | 12 |
| 1983-06-17 | vs NYN | 58 | W 7-2 | 31-27 | 2 | 27,879 | Charlie Lea | Tom Seaver | Charlie Lea | Tom Seaver | | 241 | 224 | 17 |
| 1983-06-18 | vs NYN | 59 | L 1-6 | 31-28 | 2 | 32,127 | Bill Gullickson | Mike Torrez | Mike Torrez | Bill Gullickson | Jesse Orosco | 242 | 230 | 12 |
| 1983-06-19 | vs NYN | 60 | W 4-3 | 32-28 | 1 | 35,633 | Steve Rogers | Ed Lynch | Steve Rogers | Ed Lynch | Jeff Reardon | 246 | 233 | 13 |
| 1983-06-20 | vs PHI | 61 | W 5-0 | 33-28 | 1 | 24,171 | Ray Burris | Steve Carlton | Ray Burris | Steve Carlton | | 251 | 233 | 18 |
| 1983-06-21 | vs PHI | 62 | L 1-8 | 34-29 | 1 | 0 | Scott Sanderson | John Denny | John Denny | Scott Sanderson | Guillermo Hernandez | 252 | 241 | 11 |
| 1983-06-21 | vs PHI | 63 | W 5-4 | 34-29 | 1 | 38,222 | Randy Lerch | Ed Farmer | Jeff Reardon | Porfi Altamirano | | 257 | 245 | 12 |
| 1983-06-22 | vs PHI | 64 | W 4-0 | 35-29 | 1 | 24,607 | Charlie Lea | Marty Bystrom | Charlie Lea | Marty Bystrom | | 261 | 245 | 16 |
| 1983-06-23 | vs PHI | 65 | W 4-3 | 36-29 | 1 | 31,069 | Bill Gullickson | Charles Hudson | Bill Gullickson | Charles Hudson | Jeff Reardon | 265 | 248 | 17 |
| 1983-06-24 | vs CHN | 66 | W 4-3 | 37-29 | 1 | 28,795 | Steve Rogers | Dick Ruthven | Steve Rogers | Dick Ruthven | Jeff Reardon | 269 | 251 | 18 |
| 1983-06-25 | vs CHN | 67 | L 1-2 | 37-30 | 1 | 31,089 | Ray Burris | Fergie Jenkins | Warren Brusstar | Chris Welsh | | 270 | 253 | 17 |
| 1983-06-26 | vs CHN | 68 | L 5-9 | 37-31 | 1 | 32,499 | Randy Lerch | Dickie Noles | Dickie Noles | Randy Lerch | | 275 | 262 | 13 |
| 1983-06-27 | vs CHN | 69 | W 3-1 | 38-31 | 1 | 20,358 | Charlie Lea | Chuck Rainey | Charlie Lea | Chuck Rainey | | 278 | 263 | 15 |
| 1983-06-28 | @ PHI | 70 | L 5-5 | 38-32 | 1 | 32,181 | Bill Gullickson | Marty Bystrom | | | | 283 | 268 | 15 |
| 1983-06-29 | @ PHI | 71 | W 5-2 | 39-33 | 1 | 0 | Steve Rogers | Steve Carlton | Steve Rogers | Steve Carlton | | 288 | 270 | 18 |
| 1983-06-29 | @ PHI | 72 | L 2-3 | 39-33 | 1 | 32,141 | Scott Sanderson | Charles Hudson | Charles Hudson | Scott Sanderson | Al Holland | 290 | 273 | 17 |
| 1983-06-30 | @ PHI | 73 | L 1-3 | 39-34 | 1 | 35,393 | Ray Burris | Kevin Gross | Kevin Gross | Ray Burris | Guillermo Hernandez | 291 | 276 | 15 |
| 1983-07-01 | @ CHN | 74 | L 5-7 | 39-35 | 1 | 20,694 | Randy Lerch | Dickie Noles | Dickie Noles | Randy Lerch | Lee Smith | 296 | 283 | 13 |
| 1983-07-02 | @ CHN | 75 | L 2-5 | 39-36 | 1 | 32,718 | Charlie Lea | Chuck Rainey | Chuck Rainey | Charlie Lea | Warren Brusstar | 298 | 288 | 10 |
| 1983-07-03 | @ CHN | 76 | L 4-7 | 39-37 | 2 | 40,522 | Bill Gullickson | Steve Trout | Steve Trout | Bill Gullickson | Bill Campbell | 302 | 295 | 7 |
| 1983-07-04 | @ CHN | 77 | W 6-3 | 41-37 | 1 | 0 | Steve Rogers | Dick Ruthven | Steve Rogers | Dick Ruthven | Dan Schatzeder | 308 | 298 | 10 |
| 1983-07-04 | @ CHN | 78 | W 4-2 | 41-37 | 1 | 39,394 | Scott Sanderson | Fergie Jenkins | Scott Sanderson | Fergie Jenkins | Jeff Reardon | 312 | 300 | 12 |
| 1983-07-08 | vs ATL | 79 | L 5-6 | 41-38 | 1 | 30,151 | Charlie Lea | Craig McMurtry | Craig McMurtry | Charlie Lea | Steve Bedrosian | 317 | 306 | 11 |
| 1983-07-09 | vs ATL | 80 | L 5-8 | 41-39 | 1 | 31,846 | Steve Rogers | Pascual Perez | Terry Forster | Bryn Smith | Steve Bedrosian | 322 | 314 | 8 |
| 1983-07-10 | vs ATL | 81 | W 7-6 | 42-39 | 1 | 47,191 | Bill Gullickson | Phil Niekro | Jeff Reardon | Donnie Moore | | 329 | 320 | 9 |
| 1983-07-11 | vs ATL | 82 | L 4-6 | 42-40 | 2 | 27,338 | Ray Burris | Pete Falcone | Rick Camp | Woodie Fryman | Steve Bedrosian | 333 | 326 | 7 |
| 1983-07-12 | @ HOU | 83 | L 5-7 | 42-41 | 2 | 17,027 | Chris Welsh | Mike Scott | Vern Ruhle | Randy Lerch | Dave Smith | 338 | 333 | 5 |
| 1983-07-13 | @ HOU | 84 | L 4-9 | 42-42 | 3 | 28,905 | Charlie Lea | Nolan Ryan | Nolan Ryan | Charlie Lea | | 342 | 342 | 0 |
| 1983-07-14 | @ HOU | 85 | L 0-3 | 42-43 | 3 | 20,568 | Steve Rogers | Joe Niekro | Joe Niekro | Steve Rogers | | 342 | 345 | -3 |
| 1983-07-15 | @ ATL | 86 | L 3-9 | 42-44 | 3 | 38,729 | Bill Gullickson | Phil Niekro | Phil Niekro | Bill Gullickson | Donnie Moore | 345 | 354 | -9 |
| 1983-07-16 | @ ATL | 87 | L 3-6 | 42-45 | 4 | 48,139 | Ray Burris | Pete Falcone | Pete Falcone | Ray Burris | Steve Bedrosian | 348 | 360 | -12 |
| 1983-07-17 | @ ATL | 88 | W 3-1 | 43-45 | 4 | 24,288 | Greg Bargar | Ken Dayley | Greg Bargar | Ken Dayley | Jeff Reardon | 351 | 361 | -10 |
| 1983-07-19 | vs CIN | 89 | L 2-5 | 43-46 | 4 | 36,229 | Steve Rogers | Joe Price | Joe Price | Steve Rogers | Tom Hume | 353 | 366 | -13 |
| 1983-07-20 | vs CIN | 90 | W 6-4 | 44-46 | 4 | 24,555 | Charlie Lea | Mario Soto | Charlie Lea | Mario Soto | Bob James | 359 | 370 | -11 |
| 1983-07-21 | vs HOU | 91 | W 9-4 | 45-46 | 4 | 22,055 | Bill Gullickson | Nolan Ryan | Bill Gullickson | Nolan Ryan | | 368 | 374 | -6 |
| 1983-07-22 | vs HOU | 92 | L 8-11 | 45-47 | 4 | 34,425 | Greg Bargar | Joe Niekro | Dave Smith | Woodie Fryman | Bill Dawley | 376 | 385 | -9 |
| 1983-07-23 | vs HOU | 93 | W 4-1 | 46-47 | 3 | 28,992 | Dan Schatzeder | Bob Knepper | Dan Schatzeder | Bob Knepper | Jeff Reardon | 380 | 386 | -6 |
| 1983-07-24 | vs HOU | 94 | W 7-3 | 47-47 | 2 | 35,184 | Steve Rogers | Mike LaCoss | Steve Rogers | Mike LaCoss | | 387 | 389 | -2 |
| 1983-07-25 | @ CIN | 95 | L 2-4 | 48-48 | 2 | 0 | Charlie Lea | Mario Soto | Mario Soto | Charlie Lea | | 389 | 393 | -4 |
| 1983-07-25 | @ CIN | 96 | W 8-1 | 48-48 | 2 | 17,646 | Ray Burris | Rich Gale | Ray Burris | Rich Gale | | 397 | 394 | 3 |
| 1983-07-26 | @ CIN | 97 | W 5-0 | 49-48 | 2 | 12,322 | Bill Gullickson | Charlie Puleo | Bill Gullickson | Charlie Puleo | | 402 | 394 | 8 |
| 1983-07-27 | @ CIN | 98 | W 6-3 | 50-48 | 2 | 12,082 | Greg Bargar | Frank Pastore | Greg Bargar | Frank Pastore | Bob James | 408 | 397 | 11 |
| 1983-07-28 | vs SLN | 99 | L 2-3 | 50-50 | 4 | 0 | Steve Rogers | John Stuper | Bruce Sutter | Woodie Fryman | | 410 | 400 | 10 |
| 1983-07-28 | vs SLN | 100 | L 1-10 | 50-50 | 4 | 50,834 | Dan Schatzeder | Bob Forsch | Bob Forsch | Dan Schatzeder | | 411 | 410 | 1 |
| 1983-07-29 | vs SLN | 101 | W 7-2 | 51-50 | 4 | 34,254 | Bryn Smith | Neil Allen | Bryn Smith | Neil Allen | | 418 | 412 | 6 |
| 1983-07-30 | vs SLN | 102 | L 2-3 | 51-51 | 4 | 40,797 | Charlie Lea | Dave LaPoint | Dave LaPoint | Charlie Lea | Bruce Sutter | 420 | 415 | 5 |
| 1983-07-31 | vs SLN | 103 | W 6-5 | 52-51 | 4 | 44,106 | Bill Gullickson | Joaquin Andujar | Jeff Reardon | John Stuper | | 426 | 420 | 6 |
| 1983-08-02 | @ NYN | 104 | L 2-5 | 52-52 | 4 | 11,274 | Steve Rogers | Craig Swan | Craig Swan | Steve Rogers | Jesse Orosco | 428 | 425 | 3 |
| 1983-08-03 | @ NYN | 105 | L 1-2 | 52-53 | 4 | 12,895 | Ray Burris | Tom Seaver | Jesse Orosco | Jeff Reardon | | 429 | 427 | 2 |
| 1983-08-04 | @ NYN | 106 | W 2-1 | 53-53 | 3 | 11,703 | Charlie Lea | Ed Lynch | Charlie Lea | Ed Lynch | Jeff Reardon | 431 | 428 | 3 |
| 1983-08-05 | @ PIT | 107 | W 7-1 | 54-53 | 3 | 33,089 | Bill Gullickson | Jose DeLeon | Bill Gullickson | Jose DeLeon | | 438 | 429 | 9 |
| 1983-08-06 | @ PIT | 108 | W 7-3 | 55-53 | 3 | 24,561 | Bryn Smith | Lee Tunnell | Bryn Smith | Lee Tunnell | | 445 | 432 | 13 |
| 1983-08-07 | @ PIT | 109 | W 6-0 | 56-53 | 2 | 29,187 | Steve Rogers | Larry McWilliams | Steve Rogers | Larry McWilliams | | 451 | 432 | 19 |
| 1983-08-08 | vs NYN | 110 | L 5-6 | 56-54 | 2 | 27,906 | Ray Burris | Tom Seaver | Jesse Orosco | Jeff Reardon | | 456 | 438 | 18 |
| 1983-08-09 | vs NYN | 111 | W 7-3 | 57-54 | 2 | 36,870 | Charlie Lea | Ed Lynch | Charlie Lea | Ed Lynch | | 463 | 441 | 22 |
| 1983-08-10 | vs NYN | 112 | W 5-3 | 58-54 | 2 | 25,538 | Bill Gullickson | Mike Torrez | Bill Gullickson | Mike Torrez | Jeff Reardon | 468 | 444 | 24 |
| 1983-08-12 | vs PIT | 113 | L 3-6 | 58-55 | 2 | 45,862 | Steve Rogers | Larry McWilliams | Larry McWilliams | Steve Rogers | Cecilio Guante | 471 | 450 | 21 |
| 1983-08-13 | vs PIT | 114 | L 0-2 | 58-56 | 3 | 38,658 | Bryn Smith | John Candelaria | John Candelaria | Bryn Smith | Kent Tekulve | 471 | 452 | 19 |
| 1983-08-14 | vs PIT | 115 | L 3-5 | 58-57 | 3 | 50,062 | Ray Burris | Rick Rhoden | Rick Rhoden | Dan Schatzeder | Kent Tekulve | 474 | 457 | 17 |
| 1983-08-15 | @ SLN | 116 | W 5-1 | 59-57 | 3 | 29,376 | Charlie Lea | John Stuper | Charlie Lea | Bruce Sutter | Jeff Reardon | 479 | 458 | 21 |
| 1983-08-16 | @ SLN | 117 | L 3-4 | 59-58 | 3 | 27,320 | Bill Gullickson | Danny Cox | Neil Allen | Jeff Reardon | | 482 | 462 | 20 |
| 1983-08-17 | @ SFN | 118 | W 12-5 | 60-58 | 3 | 5,299 | Steve Rogers | Renie Martin | Steve Rogers | Renie Martin | | 494 | 467 | 27 |
| 1983-08-18 | @ SFN | 119 | L 3-5 | 60-59 | 3 | 4,518 | Bryn Smith | Mike Krukow | Mike Krukow | Bryn Smith | Greg Minton | 497 | 472 | 25 |
| 1983-08-19 | @ SDN | 120 | L 5-6 | 60-60 | 3 | 12,947 | Ray Burris | Tim Lollar | Tim Lollar | Ray Burris | Sid Monge | 502 | 478 | 24 |
| 1983-08-21 | @ SDN | 121 | W 3-0 | 61-61 | 3 | 0 | Charlie Lea | Dave Dravecky | Charlie Lea | Dave Dravecky | | 505 | 478 | 27 |
| 1983-08-21 | @ SDN | 122 | L 2-5 | 61-61 | 3 | 15,890 | Bill Gullickson | Mark Thurmond | Mark Thurmond | Bill Gullickson | Luis DeLeon | 507 | 483 | 24 |
| 1983-08-22 | @ LAN | 123 | L 1-4 | 61-62 | 3 | 47,581 | Steve Rogers | Jerry Reuss | Jerry Reuss | Steve Rogers | | 508 | 487 | 21 |
| 1983-08-23 | @ LAN | 124 | L 3-6 | 61-63 | 4 | 44,250 | Bryn Smith | Burt Hooton | Pat Zachry | Bryn Smith | Tom Niedenfuer | 511 | 493 | 18 |
| 1983-08-24 | @ LAN | 125 | L 2-3 | 61-64 | 4 | 42,658 | Ray Burris | Alejandro Pena | Tom Niedenfuer | Jeff Reardon | | 513 | 496 | 17 |
| 1983-08-26 | vs SDN | 126 | W 10-4 | 62-64 | 4 | 30,814 | Bill Gullickson | Dave Dravecky | Bill Gullickson | Dave Dravecky | | 523 | 500 | 23 |
| 1983-08-27 | vs SDN | 127 | W 6-4 | 63-64 | 4 | 33,359 | Charlie Lea | Mark Thurmond | Charlie Lea | Luis DeLeon | Dan Schatzeder | 529 | 504 | 25 |
| 1983-08-28 | vs SDN | 128 | W 8-0 | 64-64 | 3 | 43,168 | Steve Rogers | Eric Show | Steve Rogers | Eric Show | | 537 | 504 | 33 |
| 1983-08-29 | vs SFN | 129 | W 5-0 | 65-64 | 3 | 30,485 | Bryn Smith | Mike Krukow | Bryn Smith | Mike Krukow | | 542 | 504 | 38 |
| 1983-08-30 | vs SFN | 130 | L 2-13 | 65-65 | 3 | 29,536 | Ray Burris | Mark Davis | Mark Davis | Ray Burris | Greg Minton | 544 | 517 | 27 |
| 1983-08-31 | vs SFN | 131 | W 4-3 | 66-65 | 3 | 22,883 | Bill Gullickson | Fred Breining | Bill Gullickson | Fred Breining | Jeff Reardon | 548 | 520 | 28 |
| 1983-09-01 | vs LAN | 132 | W 8-3 | 67-65 | 3 | 30,428 | Charlie Lea | Rick Honeycutt | Charlie Lea | Rick Honeycutt | Jeff Reardon | 556 | 523 | 33 |
| 1983-09-02 | vs LAN | 133 | L 1-4 | 67-66 | 3 | 41,198 | Steve Rogers | Jerry Reuss | Jerry Reuss | Steve Rogers | | 557 | 527 | 30 |
| 1983-09-03 | vs LAN | 134 | L 0-4 | 67-67 | 3 | 42,054 | Bryn Smith | Bob Welch | Bob Welch | Bryn Smith | Tom Niedenfuer | 557 | 531 | 26 |
| 1983-09-04 | vs LAN | 135 | W 3-2 | 68-67 | 3 | 45,189 | Ray Burris | Alejandro Pena | Dan Schatzeder | Pat Zachry | | 560 | 533 | 27 |
| 1983-09-05 | vs CHN | 136 | W 7-3 | 69-67 | 3 | 40,809 | Bill Gullickson | Steve Trout | Bill Gullickson | Steve Trout | Bob James | 567 | 536 | 31 |
| 1983-09-06 | vs CHN | 137 | W 8-2 | 70-67 | 3 | 35,312 | Charlie Lea | Dick Ruthven | Charlie Lea | Dick Ruthven | Scott Sanderson | 575 | 538 | 37 |
| 1983-09-07 | vs CHN | 138 | W 6-1 | 71-67 | 2 | 20,475 | Steve Rogers | Dickie Noles | Steve Rogers | Dickie Noles | | 581 | 539 | 42 |
| 1983-09-09 | vs NYN | 139 | L 4-5 | 71-68 | 2 | 35,600 | Bryn Smith | Tom Seaver | Tom Seaver | Bryn Smith | Jesse Orosco | 585 | 544 | 41 |
| 1983-09-10 | vs NYN | 140 | W 10-9 | 72-68 | 2 | 33,848 | Bill Gullickson | Ed Lynch | Jeff Reardon | Jesse Orosco | | 595 | 553 | 42 |
| 1983-09-11 | vs NYN | 141 | W 4-0 | 73-68 | 2 | 45,064 | Charlie Lea | Mike Torrez | Charlie Lea | Mike Torrez | | 599 | 553 | 46 |
| 1983-09-12 | @ CHN | 142 | L 0-8 | 73-69 | 2 | 4,180 | Steve Rogers | Dick Ruthven | Dick Ruthven | Steve Rogers | | 599 | 561 | 38 |
| 1983-09-13 | @ CHN | 143 | W 5-2 | 74-69 | 2 | 5,572 | Scott Sanderson | Dickie Noles | Bob James | Dickie Noles | | 604 | 563 | 41 |
| 1983-09-14 | @ PHI | 144 | L 5-9 | 74-71 | 3 | 0 | Bryn Smith | Steve Carlton | Steve Carlton | Bryn Smith | | 609 | 572 | 37 |
| 1983-09-14 | @ PHI | 145 | L 0-5 | 74-71 | 3 | 30,731 | Ray Burris | Marty Bystrom | Marty Bystrom | Ray Burris | | 609 | 577 | 32 |
| 1983-09-15 | @ PHI | 146 | W 4-1 | 75-71 | 3 | 25,047 | Bill Gullickson | Kevin Gross | Bill Gullickson | Kevin Gross | Bob James | 613 | 578 | 35 |
| 1983-09-16 | @ PIT | 147 | L 0-9 | 75-72 | 3 | 13,057 | Charlie Lea | Jose DeLeon | Jose DeLeon | Charlie Lea | | 613 | 587 | 26 |
| 1983-09-17 | @ PIT | 148 | L 4-5 | 75-73 | 3 | 29,748 | Steve Rogers | Lee Tunnell | Jim Bibby | Tom Dixon | | 617 | 592 | 25 |
| 1983-09-18 | @ PIT | 149 | W 5-2 | 76-73 | 3 | 25,738 | Scott Sanderson | Rick Rhoden | Scott Sanderson | Rick Rhoden | Bob James | 622 | 594 | 28 |
| 1983-09-19 | vs SLN | 150 | W 3-0 | 78-73 | 3 | 0 | Bryn Smith | Neil Allen | Bryn Smith | Neil Allen | | 625 | 594 | 31 |
| 1983-09-19 | vs SLN | 151 | W 6-3 | 78-73 | 3 | 40,229 | Ray Burris | Dave LaPoint | Jeff Reardon | Dave Rucker | Bob James | 631 | 597 | 34 |
| 1983-09-20 | vs SLN | 152 | W 10-1 | 79-73 | 3 | 33,669 | Bill Gullickson | Bob Forsch | Bill Gullickson | Bob Forsch | | 641 | 598 | 43 |
| 1983-09-22 | vs PHI | 153 | L 7-9 | 79-75 | 3 | 0 | Charlie Lea | John Denny | John Denny | Charlie Lea | Al Holland | 648 | 607 | 41 |
| 1983-09-22 | vs PHI | 154 | L 1-7 | 79-75 | 3 | 47,364 | Steve Rogers | Charles Hudson | Charles Hudson | Steve Rogers | | 649 | 614 | 35 |
| 1983-09-23 | vs PIT | 155 | L 1-10 | 79-76 | 3 | 37,115 | Scott Sanderson | Rick Rhoden | Rick Rhoden | Scott Sanderson | | 650 | 624 | 26 |
| 1983-09-24 | vs PIT | 156 | L 0-1 | 79-77 | 3 | 43,359 | Bryn Smith | John Candelaria | John Candelaria | Bryn Smith | Cecilio Guante | 650 | 625 | 25 |
| 1983-09-25 | vs PIT | 157 | W 5-3 | 80-77 | 3 | 37,602 | Bill Gullickson | Larry McWilliams | Bill Gullickson | Larry McWilliams | Jeff Reardon | 655 | 628 | 27 |
| 1983-09-26 | @ SLN | 158 | L 0-3 | 80-78 | 3 | 12,457 | Steve Rogers | Bob Forsch | Bob Forsch | Steve Rogers | | 655 | 631 | 24 |
| 1983-09-27 | @ SLN | 159 | W 10-4 | 81-78 | 3 | 13,949 | Charlie Lea | John Stuper | Charlie Lea | John Stuper | Bob James | 665 | 635 | 30 |
| 1983-09-28 | @ SLN | 160 | W 4-0 | 82-78 | 3 | 13,944 | Bryn Smith | Danny Cox | Bryn Smith | Danny Cox | | 669 | 635 | 34 |
| 1983-10-01 | @ NYN | 161 | L 4-5 | 82-79 | 3 | 12,144 | Bill Gullickson | Tom Seaver | Brent Gaff | Bill Gullickson | Carlos Diaz | 673 | 640 | 33 |
| 1983-10-02 | @ NYN | 162 | L 0-1 | 82-81 | 3 | 0 | Charlie Lea | Walt Terrell | Walt Terrell | Charlie Lea | | 673 | 641 | 32 |
| 1983-10-02 | @ NYN | 163 | L 4-5 | 82-81 | 3 | 6,393 | Steve Rogers | Tim Leary | Tim Leary | Jeff Reardon | | 677 | 646 | 31 |