| 1979-04-05 | vs NYN | 1 | L 6-10 | 0-1 | 2 | 35,615 | Rick Reuschel | Craig Swan | Craig Swan | Rick Reuschel | | 6 | 10 | -4 |
| 1979-04-07 | vs NYN | 2 | L 4-9 | 0-2 | 5 | 9,805 | Ken Holtzman | Pat Zachry | Pat Zachry | Ken Holtzman | Skip Lockwood | 10 | 19 | -9 |
| 1979-04-10 | @ SLN | 3 | L 0-7 | 0-3 | 6 | 10,190 | Lynn McGlothen | Bob Sykes | Bob Sykes | Lynn McGlothen | | 10 | 26 | -16 |
| 1979-04-14 | @ MON | 4 | L 0-2 | 0-4 | 6 | 35,654 | Rick Reuschel | Ross Grimsley | Ross Grimsley | Rick Reuschel | Elias Sosa | 10 | 28 | -18 |
| 1979-04-15 | @ MON | 5 | W 5-1 | 1-4 | 6 | 13,014 | Lynn McGlothen | Steve Rogers | Lynn McGlothen | Steve Rogers | | 15 | 29 | -14 |
| 1979-04-16 | @ MON | 6 | L 0-2 | 1-5 | 6 | 10,004 | Mike Krukow | Bill Lee | Bill Lee | Mike Krukow | | 15 | 31 | -16 |
| 1979-04-17 | vs SLN | 7 | W 5-3 | 2-5 | 6 | 11,010 | Ken Holtzman | John Denny | Ken Holtzman | John Denny | Bruce Sutter | 20 | 34 | -14 |
| 1979-04-18 | vs SLN | 8 | L 2-3 | 2-6 | 6 | 12,825 | Rick Reuschel | Pete Vuckovich | Tom Bruno | Donnie Moore | Darold Knowles | 22 | 37 | -15 |
| 1979-04-19 | vs SLN | 9 | W 3-2 | 3-6 | 5 | 9,117 | Dennis Lamp | Bob Forsch | Dennis Lamp | Bob Forsch | Bruce Sutter | 25 | 39 | -14 |
| 1979-04-20 | vs MON | 10 | W 8-5 | 4-6 | 4 | 6,225 | Lynn McGlothen | Steve Rogers | Lynn McGlothen | Woodie Fryman | Bruce Sutter | 33 | 44 | -11 |
| 1979-04-21 | vs MON | 11 | W 4-3 | 5-6 | 4 | 19,911 | Mike Krukow | Dan Schatzeder | Donnie Moore | David Palmer | Bruce Sutter | 37 | 47 | -10 |
| 1979-04-22 | vs MON | 12 | W 4-1 | 6-6 | 3 | 20,041 | Rick Reuschel | Scott Sanderson | Rick Reuschel | Scott Sanderson | | 41 | 48 | -7 |
| 1979-04-25 | vs HOU | 13 | W 4-0 | 7-6 | 4 | 6,388 | Dennis Lamp | Vern Ruhle | Dennis Lamp | Vern Ruhle | | 45 | 48 | -3 |
| 1979-04-26 | vs HOU | 14 | L 2-6 | 7-7 | 4 | 4,777 | Lynn McGlothen | J.R. Richard | J.R. Richard | Lynn McGlothen | Joe Sambito | 47 | 54 | -7 |
| 1979-04-27 | @ ATL | 15 | L 2-3 | 7-8 | 4 | 12,930 | Mike Krukow | Phil Niekro | Phil Niekro | Donnie Moore | | 49 | 57 | -8 |
| 1979-04-28 | @ ATL | 16 | L 2-7 | 7-9 | 4 | 18,785 | Rick Reuschel | Rick Matula | Rick Matula | Rick Reuschel | Gene Garber | 51 | 64 | -13 |
| 1979-04-29 | @ ATL | 17 | W 6-5 | 8-9 | 4 | 5,041 | Dennis Lamp | Larry McWilliams | Lynn McGlothen | Gene Garber | Bruce Sutter | 57 | 69 | -12 |
| 1979-05-01 | @ CIN | 18 | W 5-1 | 9-9 | 4 | 15,378 | Ken Holtzman | Fred Norman | Ken Holtzman | Fred Norman | | 62 | 70 | -8 |
| 1979-05-02 | @ CIN | 19 | L 1-4 | 9-10 | 4 | 17,218 | Rick Reuschel | Mike LaCoss | Mike LaCoss | Rick Reuschel | Doug Bair | 63 | 74 | -11 |
| 1979-05-04 | vs ATL | 20 | W 6-2 | 10-10 | 4 | 3,928 | Mike Krukow | Rick Matula | Mike Krukow | Rick Matula | Lynn McGlothen | 69 | 76 | -7 |
| 1979-05-05 | vs ATL | 21 | W 9-3 | 11-10 | 3 | 16,312 | Dennis Lamp | Phil Niekro | Dennis Lamp | Phil Niekro | | 78 | 79 | -1 |
| 1979-05-06 | vs ATL | 22 | W 14-13 | 12-10 | 3 | 21,984 | Rick Reuschel | Larry McWilliams | Bruce Sutter | Gene Garber | | 92 | 92 | 0 |
| 1979-05-08 | vs CIN | 23 | L 7-8 | 12-11 | 4 | 12,254 | Ken Holtzman | Mike LaCoss | Mike LaCoss | Ken Holtzman | Frank Pastore | 99 | 100 | -1 |
| 1979-05-09 | vs CIN | 24 | L 4-7 | 12-12 | 4 | 10,922 | Mike Krukow | Paul Moskau | Paul Moskau | Lynn McGlothen | Doug Bair | 103 | 107 | -4 |
| 1979-05-10 | vs CIN | 25 | W 9-8 | 13-12 | 4 | 9,164 | Dennis Lamp | Tom Hume | Lynn McGlothen | Manny Sarmiento | | 112 | 115 | -3 |
| 1979-05-11 | @ HOU | 26 | W 5-3 | 14-12 | 3 | 14,715 | Rick Reuschel | Frank Riccelli | Rick Reuschel | Frank Riccelli | Bruce Sutter | 117 | 118 | -1 |
| 1979-05-12 | @ HOU | 27 | L 3-11 | 15-13 | 4 | 0 | Lynn McGlothen | Ken Forsch | Ken Forsch | Lynn McGlothen | | 120 | 129 | -9 |
| 1979-05-12 | @ HOU | 28 | W 2-0 | 15-13 | 4 | 35,997 | Ken Holtzman | Rick Williams | Ken Holtzman | Rick Williams | | 122 | 129 | -7 |
| 1979-05-13 | @ HOU | 29 | L 0-3 | 15-14 | 4 | 13,604 | Mike Krukow | Joe Niekro | Joe Niekro | Mike Krukow | | 122 | 132 | -10 |
| 1979-05-15 | vs PHI | 30 | W 7-1 | 16-14 | 4 | 13,834 | Lynn McGlothen | Nino Espinosa | Lynn McGlothen | Nino Espinosa | | 129 | 133 | -4 |
| 1979-05-16 | vs PHI | 31 | L 0-13 | 16-15 | 4 | 18,015 | Rick Reuschel | Steve Carlton | Steve Carlton | Rick Reuschel | | 129 | 146 | -17 |
| 1979-05-17 | vs PHI | 32 | L 22-23 | 16-16 | 4 | 14,952 | Dennis Lamp | Randy Lerch | Rawly Eastwick | Bruce Sutter | | 151 | 169 | -18 |
| 1979-05-18 | vs PIT | 33 | L 5-9 | 16-17 | 4 | 12,578 | Ken Holtzman | John Candelaria | John Candelaria | Ken Holtzman | | 156 | 178 | -22 |
| 1979-05-19 | vs PIT | 34 | L 0-3 | 16-18 | 4 | 29,460 | Mike Krukow | Jim Rooker | Jim Rooker | Mike Krukow | Grant Jackson | 156 | 181 | -25 |
| 1979-05-20 | vs PIT | 35 | L 5-6 | 16-19 | 5 | 30,998 | Lynn McGlothen | Don Robinson | Don Robinson | Lynn McGlothen | Kent Tekulve | 161 | 187 | -26 |
| 1979-05-22 | @ NYN | 36 | L 2-4 | 16-20 | 5 | 6,550 | Dennis Lamp | Kevin Kobel | Kevin Kobel | Dennis Lamp | Dale Murray | 163 | 191 | -28 |
| 1979-05-24 | @ NYN | 37 | W 9-7 | 17-21 | 5 | 0 | Ken Holtzman | Pete Falcone | Ken Holtzman | Pete Falcone | Bruce Sutter | 172 | 198 | -26 |
| 1979-05-24 | @ NYN | 38 | L 2-4 | 17-21 | 5 | 4,320 | Mike Krukow | Pat Zachry | Pat Zachry | Mike Krukow | Skip Lockwood | 174 | 202 | -28 |
| 1979-05-25 | @ PHI | 39 | W 3-0 | 18-21 | 4 | 34,456 | Lynn McGlothen | Nino Espinosa | Lynn McGlothen | Nino Espinosa | Bruce Sutter | 177 | 202 | -25 |
| 1979-05-26 | @ PHI | 40 | W 4-1 | 19-21 | 4 | 32,313 | Dennis Lamp | Larry Christenson | Dennis Lamp | Larry Christenson | Dick Tidrow | 181 | 203 | -22 |
| 1979-05-27 | @ PHI | 41 | L 4-6 | 19-22 | 4 | 47,087 | Bill Caudill | Steve Carlton | Steve Carlton | Bill Caudill | | 185 | 209 | -24 |
| 1979-05-28 | @ PHI | 42 | W 4-1 | 20-22 | 4 | 51,381 | Mike Krukow | Randy Lerch | Dick Tidrow | Randy Lerch | Bruce Sutter | 189 | 210 | -21 |
| 1979-05-29 | @ PIT | 43 | L 0-8 | 20-23 | 5 | 7,196 | Ken Holtzman | Don Robinson | Don Robinson | Ken Holtzman | | 189 | 218 | -29 |
| 1979-05-30 | @ PIT | 44 | L 2-9 | 20-24 | 5 | 7,107 | Lynn McGlothen | Jim Rooker | Jim Rooker | Lynn McGlothen | | 191 | 227 | -36 |
| 1979-05-31 | @ PIT | 45 | L 3-4 | 20-25 | 5 | 6,438 | Dennis Lamp | Bert Blyleven | Bruce Kison | Bruce Sutter | | 194 | 231 | -37 |
| 1979-06-01 | vs SFN | 46 | W 8-2 | 21-25 | 5 | 9,688 | Rick Reuschel | Phil Nastu | Rick Reuschel | Phil Nastu | | 202 | 233 | -31 |
| 1979-06-02 | vs SFN | 47 | L 6-8 | 21-26 | 5 | 32,721 | Ken Holtzman | Bob Knepper | Randy Moffitt | Dick Tidrow | Gary Lavelle | 208 | 241 | -33 |
| 1979-06-03 | vs SFN | 48 | W 2-1 | 22-26 | 5 | 29,665 | Mike Krukow | John Curtis | Mike Krukow | John Curtis | Bruce Sutter | 210 | 242 | -32 |
| 1979-06-05 | vs SDN | 49 | L 3-11 | 22-27 | 5 | 12,675 | Dennis Lamp | Eric Rasmussen | Eric Rasmussen | Dennis Lamp | | 213 | 253 | -40 |
| 1979-06-06 | vs SDN | 50 | W 3-0 | 23-27 | 5 | 12,145 | Rick Reuschel | Randy Jones | Rick Reuschel | Randy Jones | Bruce Sutter | 216 | 253 | -37 |
| 1979-06-07 | vs SDN | 51 | W 4-3 | 24-27 | 5 | 5,775 | Ken Holtzman | Gaylord Perry | Lynn McGlothen | Bob Shirley | Bruce Sutter | 220 | 256 | -36 |
| 1979-06-08 | vs LAN | 52 | L 4-11 | 24-28 | 5 | 21,162 | Mike Krukow | Burt Hooton | Burt Hooton | Mike Krukow | | 224 | 267 | -43 |
| 1979-06-09 | vs LAN | 53 | W 5-3 | 25-28 | 5 | 25,683 | Dennis Lamp | Rick Sutcliffe | Dennis Lamp | Rick Sutcliffe | Dick Tidrow | 229 | 270 | -41 |
| 1979-06-10 | vs LAN | 54 | W 10-3 | 26-28 | 5 | 24,088 | Rick Reuschel | Don Sutton | Rick Reuschel | Don Sutton | Lynn McGlothen | 239 | 273 | -34 |
| 1979-06-12 | @ SFN | 55 | L 2-7 | 26-29 | 5 | 28,210 | Ken Holtzman | Bob Knepper | Bob Knepper | Ken Holtzman | | 241 | 280 | -39 |
| 1979-06-13 | @ SFN | 56 | W 3-2 | 27-29 | 5 | 9,284 | Mike Krukow | John Montefusco | Bruce Sutter | Randy Moffitt | | 244 | 282 | -38 |
| 1979-06-14 | @ SFN | 57 | W 8-6 | 28-29 | 4 | 9,005 | Dennis Lamp | Vida Blue | Dick Tidrow | Gary Lavelle | Bruce Sutter | 252 | 288 | -36 |
| 1979-06-15 | @ SDN | 58 | W 3-2 | 29-29 | 4 | 23,595 | Rick Reuschel | Eric Rasmussen | Guillermo Hernandez | John D'Acquisto | Dick Tidrow | 255 | 290 | -35 |
| 1979-06-16 | @ SDN | 59 | W 5-2 | 30-29 | 4 | 27,713 | Ken Holtzman | Gaylord Perry | Ken Holtzman | Gaylord Perry | Bruce Sutter | 260 | 292 | -32 |
| 1979-06-17 | @ SDN | 60 | W 8-5 | 31-29 | 4 | 17,166 | Mike Krukow | Bob Owchinko | Mike Krukow | Bob Owchinko | Bruce Sutter | 268 | 297 | -29 |
| 1979-06-18 | @ LAN | 61 | L 3-7 | 31-30 | 5 | 27,569 | Dennis Lamp | Burt Hooton | Burt Hooton | Dennis Lamp | | 271 | 304 | -33 |
| 1979-06-19 | @ LAN | 62 | W 7-4 | 32-30 | 4 | 38,605 | Rick Reuschel | Rick Sutcliffe | Dick Tidrow | Rick Sutcliffe | Bruce Sutter | 278 | 308 | -30 |
| 1979-06-22 | @ PIT | 63 | L 2-7 | 32-31 | 5 | 21,006 | Ken Holtzman | Bert Blyleven | Bert Blyleven | Ken Holtzman | | 280 | 315 | -35 |
| 1979-06-23 | @ PIT | 64 | W 4-3 | 33-31 | 4 | 18,513 | Mike Krukow | Don Robinson | Mike Krukow | Don Robinson | Bruce Sutter | 284 | 318 | -34 |
| 1979-06-24 | @ PIT | 65 | W 5-0 | 34-31 | 3 | 43,402 | Rick Reuschel | Bruce Kison | Rick Reuschel | Bruce Kison | | 289 | 318 | -29 |
| 1979-06-25 | vs PHI | 66 | W 8-2 | 35-31 | 2 | 27,246 | Lynn McGlothen | Steve Carlton | Lynn McGlothen | Steve Carlton | | 297 | 320 | -23 |
| 1979-06-26 | vs PHI | 67 | L 3-5 | 35-32 | 3 | 35,970 | Dennis Lamp | Dick Ruthven | Dick Ruthven | Donnie Moore | Tug McGraw | 300 | 325 | -25 |
| 1979-06-27 | vs PHI | 68 | W 11-4 | 36-32 | 2 | 29,858 | Mike Krukow | Randy Lerch | Mike Krukow | Randy Lerch | | 311 | 329 | -18 |
| 1979-06-30 | vs NYN | 69 | L 8-9 | 36-33 | 2 | 28,394 | Rick Reuschel | Craig Swan | Wayne Twitchell | Dick Tidrow | Ed Glynn | 319 | 338 | -19 |
| 1979-07-01 | vs NYN | 70 | W 5-4 | 38-33 | 2 | 0 | Ken Holtzman | Tom Hausman | Dick Tidrow | Wayne Twitchell | | 324 | 342 | -18 |
| 1979-07-01 | vs NYN | 71 | W 8-2 | 38-33 | 2 | 36,609 | Lynn McGlothen | Pete Falcone | Lynn McGlothen | Pete Falcone | | 332 | 344 | -12 |
| 1979-07-02 | vs MON | 72 | L 0-5 | 38-34 | 2 | 21,864 | Dennis Lamp | Steve Rogers | Steve Rogers | Dennis Lamp | | 332 | 349 | -17 |
| 1979-07-03 | vs MON | 73 | W 3-2 | 39-34 | 2 | 24,979 | Mike Krukow | Ross Grimsley | Bruce Sutter | Woodie Fryman | | 335 | 351 | -16 |
| 1979-07-04 | vs MON | 74 | L 1-2 | 39-35 | 3 | 29,705 | Bill Caudill | Bill Lee | Bill Lee | Bill Caudill | Elias Sosa | 336 | 353 | -17 |
| 1979-07-05 | vs MON | 75 | W 3-1 | 40-35 | 2 | 22,790 | Rick Reuschel | Scott Sanderson | Rick Reuschel | Scott Sanderson | Bruce Sutter | 339 | 354 | -15 |
| 1979-07-06 | vs HOU | 76 | L 2-4 | 40-36 | 3 | 25,612 | Lynn McGlothen | Joe Niekro | Joe Niekro | Lynn McGlothen | Joe Sambito | 341 | 358 | -17 |
| 1979-07-07 | vs HOU | 77 | W 6-0 | 42-36 | 2 | 0 | Ken Holtzman | Rick Williams | Ken Holtzman | Rick Williams | | 347 | 358 | -11 |
| 1979-07-07 | vs HOU | 78 | W 8-3 | 42-36 | 2 | 36,135 | Dennis Lamp | Randy Niemann | Dennis Lamp | Randy Niemann | | 355 | 361 | -6 |
| 1979-07-08 | vs HOU | 79 | W 10-0 | 43-36 | 2 | 37,614 | Mike Krukow | Ken Forsch | Mike Krukow | Ken Forsch | Donnie Moore | 365 | 361 | 4 |
| 1979-07-09 | @ ATL | 80 | W 7-4 | 44-36 | 2 | 3,227 | Bill Caudill | Phil Niekro | Dick Tidrow | Phil Niekro | Bruce Sutter | 372 | 365 | 7 |
| 1979-07-10 | @ ATL | 81 | W 7-3 | 45-36 | 2 | 5,687 | Rick Reuschel | Eddie Solomon | Rick Reuschel | Eddie Solomon | Bruce Sutter | 379 | 368 | 11 |
| 1979-07-11 | @ ATL | 82 | L 5-6 | 45-37 | 2 | 8,519 | Lynn McGlothen | Tony Brizzolara | Tony Brizzolara | Lynn McGlothen | Gene Garber | 384 | 374 | 10 |
| 1979-07-12 | @ CIN | 83 | W 10-8 | 46-37 | 2 | 21,804 | Ken Holtzman | Paul Moskau | Bruce Sutter | Doug Bair | | 394 | 382 | 12 |
| 1979-07-13 | @ CIN | 84 | W 3-1 | 47-37 | 2 | 23,990 | Dennis Lamp | Fred Norman | Dennis Lamp | Fred Norman | Bruce Sutter | 397 | 383 | 14 |
| 1979-07-14 | @ CIN | 85 | W 1-0 | 48-37 | 2 | 50,335 | Mike Krukow | Bill Bonham | Mike Krukow | Bill Bonham | Bruce Sutter | 398 | 383 | 15 |
| 1979-07-15 | @ CIN | 86 | L 1-7 | 48-38 | 2 | 36,071 | Rick Reuschel | Tom Seaver | Tom Seaver | Rick Reuschel | | 399 | 390 | 9 |
| 1979-07-19 | vs ATL | 87 | L 2-8 | 48-39 | 2 | 38,319 | Dennis Lamp | Phil Niekro | Phil Niekro | Dennis Lamp | | 401 | 398 | 3 |
| 1979-07-20 | vs ATL | 88 | W 10-2 | 49-39 | 2 | 22,646 | Rick Reuschel | Tony Brizzolara | Rick Reuschel | Tony Brizzolara | | 411 | 400 | 11 |
| 1979-07-21 | vs ATL | 89 | W 3-2 | 50-39 | 2 | 28,279 | Mike Krukow | Rick Matula | Dick Tidrow | Gene Garber | | 414 | 402 | 12 |
| 1979-07-22 | vs CIN | 90 | L 1-12 | 51-40 | 3 | 0 | Ken Holtzman | Bill Bonham | Bill Bonham | Ken Holtzman | | 415 | 414 | 1 |
| 1979-07-22 | vs CIN | 91 | W 8-4 | 51-40 | 3 | 41,052 | Lynn McGlothen | Paul Moskau | Dick Tidrow | Mario Soto | | 423 | 418 | 5 |
| 1979-07-23 | vs CIN | 92 | W 2-1 | 52-40 | 2 | 36,993 | Bill Caudill | Tom Hume | Guillermo Hernandez | Tom Hume | | 425 | 419 | 6 |
| 1979-07-24 | @ HOU | 93 | L 1-6 | 52-41 | 2 | 28,431 | Dennis Lamp | Ken Forsch | Ken Forsch | Dennis Lamp | | 426 | 425 | 1 |
| 1979-07-25 | @ HOU | 94 | L 4-6 | 52-42 | 2 | 21,910 | Rick Reuschel | J.R. Richard | J.R. Richard | Rick Reuschel | Joe Sambito | 430 | 431 | -1 |
| 1979-07-26 | @ NYN | 95 | W 9-2 | 53-42 | 2 | 4,315 | Mike Krukow | Tom Hausman | Mike Krukow | Tom Hausman | | 439 | 433 | 6 |
| 1979-07-27 | @ NYN | 96 | W 4-2 | 54-42 | 2 | 13,144 | Lynn McGlothen | Dock Ellis | Dick Tidrow | Dock Ellis | Bruce Sutter | 443 | 435 | 8 |
| 1979-07-28 | @ NYN | 97 | L 4-6 | 54-43 | 3 | 11,359 | Ken Holtzman | Pete Falcone | Pete Falcone | Ken Holtzman | Neil Allen | 447 | 441 | 6 |
| 1979-07-29 | @ NYN | 98 | L 0-4 | 54-44 | 3 | 27,605 | Dennis Lamp | Kevin Kobel | Kevin Kobel | Dennis Lamp | Ed Glynn | 447 | 445 | 2 |
| 1979-07-30 | @ PHI | 99 | L 4-5 | 54-45 | 3 | 37,151 | Rick Reuschel | Dick Ruthven | Ron Reed | Bruce Sutter | | 451 | 450 | 1 |
| 1979-07-31 | @ PHI | 100 | L 1-4 | 54-46 | 3 | 37,412 | Mike Krukow | Nino Espinosa | Nino Espinosa | Mike Krukow | | 452 | 454 | -2 |
| 1979-08-01 | @ MON | 101 | L 5-7 | 54-47 | 3 | 20,922 | Lynn McGlothen | Ross Grimsley | Scott Sanderson | Guillermo Hernandez | | 457 | 461 | -4 |
| 1979-08-02 | @ MON | 102 | L 4-6 | 54-48 | 3 | 27,287 | Bill Caudill | Dan Schatzeder | Dan Schatzeder | Bill Caudill | Elias Sosa | 461 | 467 | -6 |
| 1979-08-03 | vs SLN | 103 | W 4-2 | 55-48 | 3 | 31,409 | Rick Reuschel | Pete Vuckovich | Rick Reuschel | Pete Vuckovich | Bruce Sutter | 465 | 469 | -4 |
| 1979-08-04 | vs SLN | 104 | W 8-6 | 56-48 | 3 | 29,720 | Mike Krukow | John Denny | Mike Krukow | John Denny | Bruce Sutter | 473 | 475 | -2 |
| 1979-08-05 | vs SLN | 105 | W 3-2 | 57-49 | 3 | 0 | Dennis Lamp | Silvio Martinez | Guillermo Hernandez | Silvio Martinez | Bruce Sutter | 476 | 477 | -1 |
| 1979-08-05 | vs SLN | 106 | L 4-5 | 57-49 | 3 | 35,769 | Ken Holtzman | Bob Forsch | Bob Forsch | Ken Holtzman | Mark Littell | 480 | 482 | -2 |
| 1979-08-07 | vs PIT | 107 | W 15-2 | 58-49 | 3 | 34,641 | Rick Reuschel | Jim Rooker | Rick Reuschel | Jim Rooker | | 495 | 484 | 11 |
| 1979-08-08 | vs PIT | 108 | L 2-5 | 58-50 | 3 | 34,255 | Lynn McGlothen | Jim Bibby | Kent Tekulve | Dick Tidrow | | 497 | 489 | 8 |
| 1979-08-09 | vs PIT | 109 | W 11-3 | 59-50 | 3 | 29,645 | Dennis Lamp | John Candelaria | Dennis Lamp | John Candelaria | | 508 | 492 | 16 |
| 1979-08-10 | @ SLN | 110 | L 8-13 | 59-52 | 3 | 0 | Mike Krukow | Silvio Martinez | Silvio Martinez | Mike Krukow | | 516 | 505 | 11 |
| 1979-08-10 | @ SLN | 111 | L 3-5 | 59-52 | 3 | 49,467 | Bill Caudill | Bob Forsch | Bob Forsch | Bill Caudill | Mark Littell | 519 | 510 | 9 |
| 1979-08-11 | @ SLN | 112 | W 7-3 | 60-52 | 3 | 47,354 | Rick Reuschel | Roy Thomas | Rick Reuschel | Roy Thomas | Bruce Sutter | 526 | 513 | 13 |
| 1979-08-12 | @ SLN | 113 | W 5-3 | 61-52 | 3 | 40,995 | Lynn McGlothen | John Fulgham | Guillermo Hernandez | John Fulgham | Bruce Sutter | 531 | 516 | 15 |
| 1979-08-13 | @ SLN | 114 | L 2-3 | 61-53 | 3 | 44,457 | Dennis Lamp | Pete Vuckovich | Mark Littell | Guillermo Hernandez | | 533 | 519 | 14 |
| 1979-08-14 | vs SFN | 115 | L 2-8 | 61-54 | 3 | 21,742 | Mike Krukow | John Curtis | John Curtis | Mike Krukow | | 535 | 527 | 8 |
| 1979-08-15 | vs SFN | 116 | W 6-5 | 62-54 | 3 | 31,358 | Rick Reuschel | John Montefusco | Rick Reuschel | Pedro Borbon | Bruce Sutter | 541 | 532 | 9 |
| 1979-08-16 | vs SFN | 117 | W 14-4 | 63-54 | 3 | 19,730 | Lynn McGlothen | Bob Knepper | Lynn McGlothen | Bob Knepper | | 555 | 536 | 19 |
| 1979-08-17 | vs SDN | 118 | W 9-6 | 64-54 | 3 | 19,099 | Bill Caudill | Bob Shirley | Dick Tidrow | John D'Acquisto | Bruce Sutter | 564 | 542 | 22 |
| 1979-08-18 | vs SDN | 119 | W 3-2 | 65-54 | 3 | 24,881 | Mike Krukow | Bob Owchinko | Dick Tidrow | Rollie Fingers | | 567 | 544 | 23 |
| 1979-08-19 | vs SDN | 120 | W 3-1 | 66-54 | 3 | 31,750 | Rick Reuschel | Randy Jones | Rick Reuschel | Randy Jones | Bruce Sutter | 570 | 545 | 25 |
| 1979-08-20 | vs LAN | 121 | W 2-1 | 67-54 | 3 | 25,285 | Lynn McGlothen | Rick Sutcliffe | Lynn McGlothen | Rick Sutcliffe | Bruce Sutter | 572 | 546 | 26 |
| 1979-08-21 | vs LAN | 122 | L 2-4 | 67-55 | 3 | 34,745 | Bill Caudill | Don Sutton | Don Sutton | Bill Caudill | Bobby Castillo | 574 | 550 | 24 |
| 1979-08-22 | vs LAN | 123 | L 2-7 | 67-56 | 3 | 31,249 | Mike Krukow | Charlie Hough | Charlie Hough | Mike Krukow | Bobby Castillo | 576 | 557 | 19 |
| 1979-08-24 | @ SFN | 124 | W 4-1 | 68-56 | 3 | 9,352 | Rick Reuschel | Vida Blue | Rick Reuschel | Vida Blue | | 580 | 558 | 22 |
| 1979-08-25 | @ SFN | 125 | L 2-5 | 68-57 | 3 | 17,584 | Lynn McGlothen | John Curtis | John Curtis | Lynn McGlothen | Greg Minton | 582 | 563 | 19 |
| 1979-08-26 | @ SFN | 126 | W 4-1 | 69-57 | 3 | 17,742 | Dennis Lamp | John Montefusco | Dennis Lamp | John Montefusco | Bruce Sutter | 586 | 564 | 22 |
| 1979-08-27 | @ SDN | 127 | L 4-5 | 69-58 | 3 | 14,274 | Mike Krukow | Bob Owchinko | John D'Acquisto | Guillermo Hernandez | | 590 | 569 | 21 |
| 1979-08-28 | @ SDN | 128 | W 3-1 | 70-58 | 3 | 13,515 | Rick Reuschel | Randy Jones | Rick Reuschel | Randy Jones | Bruce Sutter | 593 | 570 | 23 |
| 1979-08-29 | @ SDN | 129 | L 1-3 | 70-59 | 3 | 12,906 | Lynn McGlothen | Gaylord Perry | Gaylord Perry | Lynn McGlothen | | 594 | 573 | 21 |
| 1979-08-30 | @ LAN | 130 | W 4-1 | 71-59 | 3 | 28,406 | Dennis Lamp | Burt Hooton | Dennis Lamp | Burt Hooton | Bruce Sutter | 598 | 574 | 24 |
| 1979-08-31 | @ LAN | 131 | L 4-6 | 71-60 | 3 | 35,648 | Bill Caudill | Rick Sutcliffe | Rick Sutcliffe | Bill Caudill | Bobby Castillo | 602 | 580 | 22 |
| 1979-09-01 | @ LAN | 132 | L 4-5 | 71-61 | 4 | 31,586 | Rick Reuschel | Don Sutton | Don Sutton | Rick Reuschel | | 606 | 585 | 21 |
| 1979-09-02 | @ LAN | 133 | L 2-6 | 71-62 | 4 | 27,092 | Lynn McGlothen | Charlie Hough | Lerrin LaGrow | Bruce Sutter | | 608 | 591 | 17 |
| 1979-09-03 | vs SLN | 134 | L 1-2 | 71-63 | 4 | 31,120 | Dennis Lamp | John Fulgham | John Fulgham | Dennis Lamp | | 609 | 593 | 16 |
| 1979-09-04 | vs SLN | 135 | L 4-6 | 71-64 | 4 | 12,245 | Guillermo Hernandez | Pete Vuckovich | Pete Vuckovich | Guillermo Hernandez | | 613 | 599 | 14 |
| 1979-09-05 | vs MON | 136 | L 3-4 | 71-65 | 4 | 9,659 | Rick Reuschel | Dan Schatzeder | Elias Sosa | Rick Reuschel | Dale Murray | 616 | 603 | 13 |
| 1979-09-06 | vs MON | 137 | L 0-1 | 71-66 | 4 | 14,767 | Lynn McGlothen | David Palmer | David Palmer | Lynn McGlothen | Woodie Fryman | 616 | 604 | 12 |
| 1979-09-07 | vs PHI | 138 | W 4-3 | 72-66 | 4 | 10,359 | Dennis Lamp | Dickie Noles | Dennis Lamp | Tug McGraw | | 620 | 607 | 13 |
| 1979-09-08 | vs PHI | 139 | L 8-9 | 72-67 | 4 | 20,767 | Guillermo Hernandez | Steve Carlton | Rawly Eastwick | Bruce Sutter | | 628 | 616 | 12 |
| 1979-09-09 | vs PHI | 140 | W 15-2 | 73-67 | 4 | 20,922 | Rick Reuschel | Kevin Saucier | Rick Reuschel | Kevin Saucier | | 643 | 618 | 25 |
| 1979-09-11 | @ MON | 141 | L 6-8 | 73-69 | 4 | 0 | Lynn McGlothen | David Palmer | David Palmer | Lynn McGlothen | Elias Sosa | 649 | 626 | 23 |
| 1979-09-11 | @ MON | 142 | L 2-3 | 73-69 | 4 | 33,910 | Bill Caudill | Dan Schatzeder | Dan Schatzeder | Bill Caudill | Elias Sosa | 651 | 629 | 22 |
| 1979-09-12 | @ MON | 143 | L 3-6 | 73-70 | 4 | 15,121 | Dennis Lamp | Steve Rogers | Steve Rogers | Bruce Sutter | | 654 | 635 | 19 |
| 1979-09-13 | @ MON | 144 | L 3-4 | 73-71 | 4 | 19,108 | Rick Reuschel | Bill Lee | Bill Atkinson | Rick Reuschel | | 657 | 639 | 18 |
| 1979-09-14 | @ PHI | 145 | W 2-0 | 74-71 | 4 | 20,838 | Mike Krukow | Dickie Noles | Bruce Sutter | Ron Reed | | 659 | 639 | 20 |
| 1979-09-15 | @ PHI | 146 | L 1-8 | 74-72 | 4 | 33,042 | Lynn McGlothen | Dan Larson | Dan Larson | Lynn McGlothen | | 660 | 647 | 13 |
| 1979-09-16 | @ PHI | 147 | L 3-4 | 74-73 | 5 | 30,261 | Dennis Lamp | Randy Lerch | Ron Reed | Dick Tidrow | | 663 | 651 | 12 |
| 1979-09-18 | @ NYN | 148 | W 2-0 | 76-73 | 5 | 0 | Rick Reuschel | John Pacella | Rick Reuschel | John Pacella | Bruce Sutter | 665 | 651 | 14 |
| 1979-09-18 | @ NYN | 149 | W 2-1 | 76-73 | 5 | 4,233 | Bill Caudill | Juan Berenguer | Dick Tidrow | Neil Allen | Bruce Sutter | 667 | 652 | 15 |
| 1979-09-19 | @ SLN | 150 | L 3-6 | 77-74 | 5 | 0 | Doug Capilla | Pete Vuckovich | Pete Vuckovich | Doug Capilla | Mark Littell | 670 | 658 | 12 |
| 1979-09-19 | @ SLN | 151 | W 3-2 | 77-74 | 5 | 11,162 | Ken Holtzman | John Fulgham | Bruce Sutter | John Fulgham | Dick Tidrow | 673 | 660 | 13 |
| 1979-09-20 | @ SLN | 152 | L 1-2 | 77-75 | 5 | 14,133 | Dennis Lamp | Silvio Martinez | Silvio Martinez | Dennis Lamp | | 674 | 662 | 12 |
| 1979-09-21 | vs PIT | 153 | W 2-0 | 78-75 | 5 | 9,552 | Lynn McGlothen | Don Robinson | Lynn McGlothen | Don Robinson | | 676 | 662 | 14 |
| 1979-09-22 | vs PIT | 154 | L 1-4 | 78-76 | 5 | 24,657 | George Riley | Bruce Kison | Bruce Kison | George Riley | Kent Tekulve | 677 | 666 | 11 |
| 1979-09-23 | vs PIT | 155 | L 0-6 | 78-77 | 5 | 24,571 | Rick Reuschel | Jim Bibby | Jim Bibby | Rick Reuschel | | 677 | 672 | 5 |
| 1979-09-24 | vs NYN | 156 | L 1-3 | 78-78 | 5 | 3,278 | Dennis Lamp | Craig Swan | Craig Swan | Dennis Lamp | | 678 | 675 | 3 |
| 1979-09-25 | vs NYN | 157 | W 11-3 | 79-79 | 5 | 0 | Lynn McGlothen | Mike Scott | Lynn McGlothen | Mike Scott | | 689 | 678 | 11 |
| 1979-09-25 | vs NYN | 158 | L 3-4 | 79-79 | 5 | 5,559 | Bill Caudill | Kevin Kobel | Neil Allen | Dick Tidrow | Andy Hassler | 692 | 682 | 10 |
| 1979-09-26 | vs NYN | 159 | L 3-8 | 79-80 | 5 | 5,827 | Donnie Moore | Tom Hausman | Tom Hausman | Donnie Moore | | 695 | 690 | 5 |
| 1979-09-28 | @ PIT | 160 | L 1-6 | 79-81 | 5 | 14,778 | Rick Reuschel | Jim Bibby | Jim Bibby | Rick Reuschel | | 696 | 696 | 0 |
| 1979-09-29 | @ PIT | 161 | W 7-6 | 80-81 | 5 | 25,734 | Dennis Lamp | Bert Blyleven | Bill Caudill | Don Robinson | | 703 | 702 | 1 |
| 1979-09-30 | @ PIT | 162 | L 3-5 | 80-82 | 5 | 42,176 | Lynn McGlothen | Bruce Kison | Bruce Kison | Lynn McGlothen | Kent Tekulve | 706 | 707 | -1 |