| 1977-04-08 | vs ATL | 1 | W 3-2 | - | | 25,781 | J.R. Richard | Andy Messersmith | Ken Forsch | Bob Johnson | | 3 | 2 | 1 |
| 1977-04-09 | vs ATL | 2 | W 2-0 | - | | 23,513 | Joaquin Andujar | Phil Niekro | Joaquin Andujar | Phil Niekro | | 5 | 2 | 3 |
| 1977-04-10 | vs ATL | 3 | L 0-6 | - | | 9,332 | Mark Lemongello | Dick Ruthven | Dick Ruthven | Mark Lemongello | | 5 | 8 | -3 |
| 1977-04-11 | vs CIN | 4 | W 4-3 | - | | 10,807 | Doug Konieczny | Woodie Fryman | Doug Konieczny | Woodie Fryman | Joe Niekro | 9 | 11 | -2 |
| 1977-04-12 | vs CIN | 5 | W 4-3 | - | | 14,029 | J.R. Richard | Pat Zachry | J.R. Richard | Pat Zachry | Ken Forsch | 13 | 14 | -1 |
| 1977-04-13 | vs CIN | 6 | W 7-6 | - | | 17,492 | Joaquin Andujar | Jack Billingham | Ken Forsch | Pedro Borbon | | 20 | 20 | 0 |
| 1977-04-15 | @ ATL | 7 | L 3-4 | - | | 46,469 | Mark Lemongello | Dick Ruthven | Dick Ruthven | Mark Lemongello | Rick Camp | 23 | 24 | -1 |
| 1977-04-16 | @ ATL | 8 | L 3-4 | - | | 13,789 | Doug Konieczny | Andy Messersmith | Andy Messersmith | Joe Sambito | | 26 | 28 | -2 |
| 1977-04-17 | @ ATL | 9 | L 4-5 | - | | 11,024 | J.R. Richard | Phil Niekro | Mike Marshall | Ken Forsch | Rick Camp | 30 | 33 | -3 |
| 1977-04-19 | vs SFN | 10 | L 4-7 | - | | 8,572 | Joaquin Andujar | Jim Barr | Jim Barr | Floyd Bannister | Gary Lavelle | 34 | 40 | -6 |
| 1977-04-20 | vs SFN | 11 | L 0-1 | - | | 8,693 | Mark Lemongello | Ed Halicki | Ed Halicki | Mark Lemongello | Gary Lavelle | 34 | 41 | -7 |
| 1977-04-22 | vs SDN | 12 | L 2-4 | - | | 6,106 | J.R. Richard | Bob Shirley | Bob Shirley | J.R. Richard | Rollie Fingers | 36 | 45 | -9 |
| 1977-04-23 | vs SDN | 13 | L 2-7 | - | | 0 | Joaquin Andujar | Tom Griffin | Tom Griffin | Joaquin Andujar | Dave Tomlin | 38 | 52 | -14 |
| 1977-04-23 | vs SDN | 14 | L 8-11 | - | | 26,224 | Floyd Bannister | Butch Metzger | Victor Bernal | Dan Larson | Rollie Fingers | 46 | 63 | -17 |
| 1977-04-24 | vs SDN | 15 | W 9-8 | - | | 6,362 | Doug Konieczny | Rick Sawyer | Joe Sambito | Rollie Fingers | | 55 | 71 | -16 |
| 1977-04-26 | @ SFN | 16 | W 4-3 | - | | 3,967 | Mark Lemongello | Ed Halicki | Joe Sambito | Charlie Williams | | 59 | 74 | -15 |
| 1977-04-27 | @ SFN | 17 | L 2-3 | - | | 2,240 | J.R. Richard | Lynn McGlothen | Randy Moffitt | J.R. Richard | | 61 | 77 | -16 |
| 1977-04-28 | @ SFN | 18 | W 3-1 | - | | 3,153 | Joaquin Andujar | John Montefusco | Joaquin Andujar | John Montefusco | Ken Forsch | 64 | 78 | -14 |
| 1977-04-29 | @ PIT | 19 | W 11-3 | - | | 7,186 | Floyd Bannister | Jerry Reuss | Floyd Bannister | Jerry Reuss | | 75 | 81 | -6 |
| 1977-04-30 | @ PIT | 20 | L 0-10 | - | | 6,540 | Doug Konieczny | Jim Rooker | Jim Rooker | Doug Konieczny | | 75 | 91 | -16 |
| 1977-05-01 | @ PIT | 21 | L 3-4 | - | | 25,371 | Mark Lemongello | John Candelaria | Rich Gossage | Ken Forsch | | 78 | 95 | -17 |
| 1977-05-03 | @ CHN | 22 | L 0-9 | - | | 1,795 | J.R. Richard | Ray Burris | Ray Burris | J.R. Richard | | 78 | 104 | -26 |
| 1977-05-04 | @ CHN | 23 | W 5-4 | - | | 3,044 | Joaquin Andujar | Bill Bonham | Ken Forsch | Bruce Sutter | Bo McLaughlin | 83 | 108 | -25 |
| 1977-05-05 | @ CHN | 24 | L 7-8 | - | | 3,645 | Floyd Bannister | Rick Reuschel | Rick Reuschel | Floyd Bannister | Bruce Sutter | 90 | 116 | -26 |
| 1977-05-06 | @ SLN | 25 | L 1-4 | - | | 10,737 | Bo McLaughlin | Pete Falcone | Pete Falcone | Bo McLaughlin | Al Hrabosky | 91 | 120 | -29 |
| 1977-05-07 | @ SLN | 26 | W 3-1 | - | | 21,147 | J.R. Richard | Eric Rasmussen | Joe Sambito | John Urrea | | 94 | 121 | -27 |
| 1977-05-08 | @ SLN | 27 | L 1-2 | - | | 14,205 | Mark Lemongello | John D'Acquisto | Buddy Schultz | Mark Lemongello | Clay Carroll | 95 | 123 | -28 |
| 1977-05-09 | vs CHN | 28 | L 1-6 | - | | 7,424 | Joaquin Andujar | Rick Reuschel | Rick Reuschel | Joaquin Andujar | Guillermo Hernandez | 96 | 129 | -33 |
| 1977-05-10 | vs CHN | 29 | L 5-11 | - | | 7,070 | Floyd Bannister | Mike Krukow | Mike Krukow | Floyd Bannister | | 101 | 140 | -39 |
| 1977-05-11 | vs CHN | 30 | W 8-2 | - | | 5,436 | J.R. Richard | Ray Burris | J.R. Richard | Ray Burris | | 109 | 142 | -33 |
| 1977-05-13 | vs PIT | 31 | W 3-0 | - | | 10,512 | Mark Lemongello | Jerry Reuss | Mark Lemongello | Jerry Reuss | Ken Forsch | 112 | 142 | -30 |
| 1977-05-14 | vs PIT | 32 | L 2-6 | - | | 25,152 | Joaquin Andujar | Larry Demery | Larry Demery | Joaquin Andujar | Rich Gossage | 114 | 148 | -34 |
| 1977-05-15 | vs PIT | 33 | L 1-3 | - | | 9,340 | J.R. Richard | Jim Rooker | Kent Tekulve | J.R. Richard | | 115 | 151 | -36 |
| 1977-05-17 | vs SLN | 34 | W 5-2 | - | | 7,443 | Floyd Bannister | Eric Rasmussen | Ken Forsch | Eric Rasmussen | | 120 | 153 | -33 |
| 1977-05-18 | vs SLN | 35 | L 4-8 | - | | 7,601 | Mark Lemongello | Bob Forsch | Buddy Schultz | Mark Lemongello | | 124 | 161 | -37 |
| 1977-05-19 | vs PHI | 36 | W 3-2 | - | | 5,605 | Joaquin Andujar | Jim Kaat | Joaquin Andujar | Gene Garber | Joe Sambito | 127 | 163 | -36 |
| 1977-05-20 | vs PHI | 37 | W 5-2 | - | | 8,892 | J.R. Richard | Steve Carlton | J.R. Richard | Steve Carlton | | 132 | 165 | -33 |
| 1977-05-21 | vs PHI | 38 | L 4-7 | - | | 21,154 | Bo McLaughlin | Randy Lerch | Ron Reed | Dan Larson | | 136 | 172 | -36 |
| 1977-05-22 | vs PHI | 39 | L 3-6 | - | | 8,624 | Floyd Bannister | Larry Christenson | Larry Christenson | Floyd Bannister | Warren Brusstar | 139 | 178 | -39 |
| 1977-05-24 | @ LAN | 40 | L 2-4 | - | | 29,864 | Mark Lemongello | Rick Rhoden | Rick Rhoden | Mark Lemongello | Charlie Hough | 141 | 182 | -41 |
| 1977-05-25 | @ LAN | 41 | W 7-6 | - | | 27,743 | Joaquin Andujar | Doug Rau | Joaquin Andujar | Charlie Hough | Ken Forsch | 148 | 188 | -40 |
| 1977-05-26 | @ LAN | 42 | L 3-4 | - | | 26,212 | J.R. Richard | Burt Hooton | Mike Garman | Ken Forsch | | 151 | 192 | -41 |
| 1977-05-27 | @ SDN | 43 | W 4-3 | - | | 13,147 | Bo McLaughlin | Rick Sawyer | Bo McLaughlin | Rick Sawyer | Ken Forsch | 155 | 195 | -40 |
| 1977-05-28 | @ SDN | 44 | L 5-6 | - | | 42,222 | Floyd Bannister | Bob Shirley | Bob Shirley | Floyd Bannister | Rollie Fingers | 160 | 201 | -41 |
| 1977-05-29 | @ SDN | 45 | L 2-3 | - | | 14,058 | Mark Lemongello | Randy Jones | Dan Spillner | Mark Lemongello | Rollie Fingers | 162 | 204 | -42 |
| 1977-05-30 | vs LAN | 46 | W 5-3 | - | | 14,258 | Joaquin Andujar | Doug Rau | Joaquin Andujar | Doug Rau | Ken Forsch | 167 | 207 | -40 |
| 1977-05-31 | vs LAN | 47 | W 5-2 | - | | 10,345 | J.R. Richard | Burt Hooton | J.R. Richard | Burt Hooton | | 172 | 209 | -37 |
| 1977-06-01 | vs LAN | 48 | L 2-6 | - | | 13,805 | Bo McLaughlin | Tommy John | Tommy John | Bo McLaughlin | Charlie Hough | 174 | 215 | -41 |
| 1977-06-02 | @ CIN | 49 | W 6-4 | - | | 23,503 | Floyd Bannister | Jack Billingham | Gene Pentz | Dale Murray | Ken Forsch | 180 | 219 | -39 |
| 1977-06-03 | @ CIN | 50 | L 0-4 | - | | 33,150 | Mark Lemongello | Fred Norman | Fred Norman | Mark Lemongello | | 180 | 223 | -43 |
| 1977-06-04 | @ CIN | 51 | W 8-1 | - | | 45,414 | Joaquin Andujar | Tom Hume | Joaquin Andujar | Tom Hume | | 188 | 224 | -36 |
| 1977-06-05 | @ CIN | 52 | L 4-14 | - | | 32,772 | J.R. Richard | Gary Nolan | Gary Nolan | J.R. Richard | | 192 | 238 | -46 |
| 1977-06-06 | @ PHI | 53 | L 5-9 | - | | 17,326 | Bo McLaughlin | Larry Christenson | Larry Christenson | Bo McLaughlin | Warren Brusstar | 197 | 247 | -50 |
| 1977-06-07 | @ PHI | 54 | L 8-9 | - | | 25,226 | Floyd Bannister | Jim Lonborg | Tom Underwood | Joe Niekro | Gene Garber | 205 | 256 | -51 |
| 1977-06-08 | @ PHI | 55 | L 2-3 | - | | 23,388 | Mark Lemongello | Steve Carlton | Steve Carlton | Mark Lemongello | | 207 | 259 | -52 |
| 1977-06-10 | vs NYN | 56 | W 4-1 | - | | 10,623 | Joaquin Andujar | Jon Matlack | Joaquin Andujar | Jon Matlack | | 211 | 260 | -49 |
| 1977-06-11 | vs NYN | 57 | W 4-1 | - | | 0 | J.R. Richard | Craig Swan | J.R. Richard | Craig Swan | | 215 | 261 | -46 |
| 1977-06-11 | vs NYN | 58 | L 4-6 | - | | 27,945 | Bo McLaughlin | Nino Espinosa | Skip Lockwood | Ken Forsch | | 219 | 267 | -48 |
| 1977-06-12 | vs NYN | 59 | L 1-3 | - | | 10,439 | Floyd Bannister | Tom Seaver | Tom Seaver | Floyd Bannister | | 220 | 270 | -50 |
| 1977-06-13 | vs MON | 60 | L 2-3 | - | | 6,195 | Mark Lemongello | Santo Alcala | Santo Alcala | Mark Lemongello | Joe Kerrigan | 222 | 273 | -51 |
| 1977-06-14 | vs MON | 61 | W 5-0 | - | | 7,935 | Joaquin Andujar | Stan Bahnsen | Joaquin Andujar | Stan Bahnsen | Joe Niekro | 227 | 273 | -46 |
| 1977-06-15 | vs MON | 62 | L 0-2 | - | | 9,932 | J.R. Richard | Jackie Brown | Jackie Brown | J.R. Richard | | 227 | 275 | -48 |
| 1977-06-16 | @ NYN | 63 | L 3-4 | - | | 8,915 | Ken Forsch | Nino Espinosa | Nino Espinosa | Joe Sambito | Skip Lockwood | 230 | 279 | -49 |
| 1977-06-17 | @ NYN | 64 | W 7-1 | - | | 15,201 | Floyd Bannister | Pat Zachry | Floyd Bannister | Pat Zachry | | 237 | 280 | -43 |
| 1977-06-18 | @ NYN | 65 | W 4-3 | - | | 52,784 | Mark Lemongello | Jerry Koosman | Gene Pentz | Jerry Koosman | Joe Niekro | 241 | 283 | -42 |
| 1977-06-19 | @ NYN | 66 | L 2-8 | - | | 22,342 | Joaquin Andujar | Craig Swan | Craig Swan | Joaquin Andujar | | 243 | 291 | -48 |
| 1977-06-20 | @ MON | 67 | W 6-3 | - | | 15,949 | J.R. Richard | Jackie Brown | J.R. Richard | Jackie Brown | | 249 | 294 | -45 |
| 1977-06-21 | @ MON | 68 | L 0-6 | - | | 15,851 | Ken Forsch | Steve Rogers | Steve Rogers | Ken Forsch | | 249 | 300 | -51 |
| 1977-06-22 | @ MON | 69 | W 7-0 | - | | 10,070 | Floyd Bannister | Santo Alcala | Floyd Bannister | Santo Alcala | | 256 | 300 | -44 |
| 1977-06-24 | vs SFN | 70 | W 6-5 | - | | 13,119 | Dan Larson | Bob Knepper | Joe Sambito | Tommy Toms | | 262 | 305 | -43 |
| 1977-06-25 | vs SFN | 71 | W 4-3 | - | | 0 | J.R. Richard | Jim Barr | Joe Niekro | Randy Moffitt | | 266 | 308 | -42 |
| 1977-06-25 | vs SFN | 72 | L 1-4 | - | | 20,475 | Mark Lemongello | Charlie Williams | Charlie Williams | Mark Lemongello | Gary Lavelle | 267 | 312 | -45 |
| 1977-06-26 | vs SFN | 73 | L 0-2 | - | | 10,057 | Ken Forsch | Ed Halicki | Ed Halicki | Ken Forsch | | 267 | 314 | -47 |
| 1977-06-27 | vs SDN | 74 | W 7-6 | - | | 7,458 | Floyd Bannister | Tom Griffin | Joe Niekro | Rollie Fingers | | 274 | 320 | -46 |
| 1977-06-28 | vs SDN | 75 | W 5-1 | - | | 8,196 | Joaquin Andujar | Bob Owchinko | Joaquin Andujar | Bob Owchinko | | 279 | 321 | -42 |
| 1977-06-29 | vs SDN | 76 | L 4-7 | - | | 8,367 | Dan Larson | John D'Acquisto | Dave Freisleben | Dan Larson | Dan Spillner | 283 | 328 | -45 |
| 1977-07-01 | vs ATL | 77 | W 3-1 | - | | 8,378 | J.R. Richard | Don Collins | J.R. Richard | Don Collins | Joe Niekro | 286 | 329 | -43 |
| 1977-07-02 | vs ATL | 78 | L 1-2 | - | | 12,535 | Ken Forsch | Steve Hargan | Max Leon | Joe Niekro | Steve Kline | 287 | 331 | -44 |
| 1977-07-03 | vs ATL | 79 | W 9-3 | - | | 20,397 | Floyd Bannister | Andy Messersmith | Floyd Bannister | Frank LaCorte | | 296 | 334 | -38 |
| 1977-07-04 | @ SDN | 80 | W 12-7 | - | | 35,735 | Joaquin Andujar | Tom Griffin | Joe Niekro | Tom Griffin | | 308 | 341 | -33 |
| 1977-07-05 | @ SDN | 81 | L 7-8 | - | | 7,019 | Dan Larson | John D'Acquisto | Rollie Fingers | Joe Niekro | | 315 | 349 | -34 |
| 1977-07-06 | @ LAN | 82 | W 2-1 | - | | 36,757 | J.R. Richard | Rick Rhoden | Bo McLaughlin | Mike Garman | | 317 | 350 | -33 |
| 1977-07-07 | @ LAN | 83 | L 4-7 | - | | 29,239 | Ken Forsch | Doug Rau | Doug Rau | Ken Forsch | Charlie Hough | 321 | 357 | -36 |
| 1977-07-08 | vs CIN | 84 | L 5-8 | - | | 25,962 | Floyd Bannister | Doug Capilla | Doug Capilla | Floyd Bannister | Dale Murray | 326 | 365 | -39 |
| 1977-07-09 | vs CIN | 85 | L 1-3 | - | | 40,718 | Joaquin Andujar | Tom Seaver | Tom Seaver | Joaquin Andujar | | 327 | 368 | -41 |
| 1977-07-10 | vs CIN | 86 | W 6-5 | - | | 25,265 | Gene Pentz | Paul Moskau | Joe Niekro | Pedro Borbon | Bo McLaughlin | 333 | 373 | -40 |
| 1977-07-11 | vs CIN | 87 | W 2-0 | - | | 17,835 | J.R. Richard | Fred Norman | J.R. Richard | Fred Norman | | 335 | 373 | -38 |
| 1977-07-12 | vs LAN | 88 | L 0-8 | - | | 17,874 | Joe Sambito | Doug Rau | Doug Rau | Joe Sambito | | 335 | 381 | -46 |
| 1977-07-13 | vs LAN | 89 | W 3-2 | - | | 17,755 | Mark Lemongello | Burt Hooton | Bo McLaughlin | Elias Sosa | | 338 | 383 | -45 |
| 1977-07-14 | vs LAN | 90 | W 4-3 | - | | 21,754 | Joaquin Andujar | Don Sutton | Joaquin Andujar | Don Sutton | Bo McLaughlin | 342 | 386 | -44 |
| 1977-07-15 | @ CIN | 91 | L 3-8 | - | | 46,953 | Gene Pentz | Paul Moskau | Paul Moskau | Gene Pentz | | 345 | 394 | -49 |
| 1977-07-16 | @ CIN | 92 | W 8-0 | - | | 52,286 | J.R. Richard | Fred Norman | J.R. Richard | Fred Norman | Joe Sambito | 353 | 394 | -41 |
| 1977-07-17 | @ CIN | 93 | W 3-1 | - | | 37,499 | Mark Lemongello | Doug Capilla | Mark Lemongello | Doug Capilla | Joe Niekro | 356 | 395 | -39 |
| 1977-07-21 | @ SLN | 94 | L 0-4 | - | | 15,743 | J.R. Richard | Bob Forsch | Bob Forsch | J.R. Richard | | 356 | 399 | -43 |
| 1977-07-22 | @ SLN | 95 | W 4-2 | - | | 20,744 | Mark Lemongello | Tom Underwood | Mark Lemongello | Clay Carroll | | 360 | 401 | -41 |
| 1977-07-23 | @ SLN | 96 | L 3-4 | - | | 29,444 | Dan Larson | John Urrea | Rawly Eastwick | Bo McLaughlin | | 363 | 405 | -42 |
| 1977-07-24 | @ CHN | 97 | W 10-6 | - | | 0 | Gene Pentz | Ray Burris | Gene Pentz | Ray Burris | Joe Sambito | 373 | 411 | -38 |
| 1977-07-24 | @ CHN | 98 | W 6-4 | - | | 25,963 | Joe Niekro | Steve Renko | Joe Niekro | Donnie Moore | | 379 | 415 | -36 |
| 1977-07-25 | @ CHN | 99 | L 7-9 | - | | 14,577 | Floyd Bannister | Bill Bonham | Guillermo Hernandez | Mark Lemongello | | 386 | 424 | -38 |
| 1977-07-26 | @ PIT | 100 | L 2-3 | - | | 11,882 | J.R. Richard | John Candelaria | John Candelaria | J.R. Richard | Rich Gossage | 388 | 427 | -39 |
| 1977-07-27 | @ PIT | 101 | L 2-3 | - | | 11,253 | Mark Lemongello | Odell Jones | Kent Tekulve | Bo McLaughlin | | 390 | 430 | -40 |
| 1977-07-28 | @ PIT | 102 | L 4-9 | - | | 16,400 | Dan Larson | Jim Rooker | Jim Rooker | Dan Larson | | 394 | 439 | -45 |
| 1977-07-29 | vs CHN | 103 | W 1-0 | - | | 23,208 | Joe Niekro | Bill Bonham | Joe Niekro | Bill Bonham | | 395 | 439 | -44 |
| 1977-07-30 | vs CHN | 104 | W 11-3 | - | | 42,916 | Tom Dixon | Rick Reuschel | Joe Sambito | Paul Reuschel | | 406 | 442 | -36 |
| 1977-07-31 | vs CHN | 105 | L 1-4 | - | | 20,094 | J.R. Richard | Ray Burris | Ray Burris | J.R. Richard | | 407 | 446 | -39 |
| 1977-08-01 | vs PIT | 106 | W 4-3 | - | | 11,769 | Mark Lemongello | Odell Jones | Mark Lemongello | Rich Gossage | | 411 | 449 | -38 |
| 1977-08-02 | vs PIT | 107 | L 3-6 | - | | 15,805 | Dan Larson | Jim Rooker | Grant Jackson | Dan Larson | | 414 | 455 | -41 |
| 1977-08-03 | vs PIT | 108 | W 3-0 | - | | 14,745 | Joe Niekro | Bruce Kison | Joe Niekro | Bruce Kison | | 417 | 455 | -38 |
| 1977-08-05 | vs SLN | 109 | W 5-4 | - | | 23,949 | J.R. Richard | John Denny | J.R. Richard | John Denny | Joe Sambito | 422 | 459 | -37 |
| 1977-08-06 | vs SLN | 110 | L 1-3 | - | | 0 | Mark Lemongello | Bob Forsch | Bob Forsch | Mark Lemongello | Butch Metzger | 423 | 462 | -39 |
| 1977-08-06 | vs SLN | 111 | W 4-1 | - | | 34,521 | Tom Dixon | Tom Underwood | Tom Dixon | Tom Underwood | | 427 | 463 | -36 |
| 1977-08-07 | vs SLN | 112 | L 2-5 | - | | 19,901 | Dan Larson | John Urrea | John Urrea | Dan Larson | Butch Metzger | 429 | 468 | -39 |
| 1977-08-09 | @ SFN | 113 | L 3-4 | - | | 0 | Joe Niekro | Jim Barr | Jim Barr | Joe Niekro | Gary Lavelle | 432 | 472 | -40 |
| 1977-08-09 | @ SFN | 114 | L 0-5 | - | | 10,010 | Gene Pentz | Bob Knepper | Bob Knepper | Gene Pentz | | 432 | 477 | -45 |
| 1977-08-10 | @ SFN | 115 | W 8-6 | - | | 2,607 | J.R. Richard | Lynn McGlothen | J.R. Richard | Lynn McGlothen | Ken Forsch | 440 | 483 | -43 |
| 1977-08-11 | @ SFN | 116 | W 7-5 | - | | 3,393 | Mark Lemongello | Ed Halicki | Dan Larson | Gary Lavelle | Joe Sambito | 447 | 488 | -41 |
| 1977-08-12 | @ SDN | 117 | L 4-5 | - | | 13,697 | Tom Dixon | Dave Wehrmeister | Rollie Fingers | Ken Forsch | | 451 | 493 | -42 |
| 1977-08-14 | @ SDN | 118 | W 6-3 | - | | 13,181 | Joe Niekro | Dave Freisleben | Joe Niekro | Dave Freisleben | | 457 | 496 | -39 |
| 1977-08-15 | @ ATL | 119 | W 15-3 | - | | 5,919 | J.R. Richard | Buzz Capra | J.R. Richard | Buzz Capra | Dan Larson | 472 | 499 | -27 |
| 1977-08-16 | @ ATL | 120 | W 4-1 | - | | 6,759 | Mark Lemongello | Dick Ruthven | Mark Lemongello | Dick Ruthven | Bo McLaughlin | 476 | 500 | -24 |
| 1977-08-17 | @ ATL | 121 | L 6-9 | - | | 3,287 | Tom Dixon | Preston Hanna | Don Collins | Joe Sambito | Dave Campbell | 482 | 509 | -27 |
| 1977-08-19 | @ PHI | 122 | L 5-9 | - | | 46,266 | Joe Niekro | Larry Christenson | Larry Christenson | Joe Niekro | | 487 | 518 | -31 |
| 1977-08-20 | @ PHI | 123 | L 4-5 | - | | 47,048 | Dan Larson | Jim Kaat | Tug McGraw | Bo McLaughlin | | 491 | 523 | -32 |
| 1977-08-21 | @ PHI | 124 | L 3-7 | - | | 46,852 | Mark Lemongello | Steve Carlton | Steve Carlton | Mark Lemongello | | 494 | 530 | -36 |
| 1977-08-22 | @ NYN | 125 | L 1-2 | - | | 10,247 | J.R. Richard | Pat Zachry | Pat Zachry | J.R. Richard | Skip Lockwood | 495 | 532 | -37 |
| 1977-08-23 | @ NYN | 126 | L 1-2 | - | | 9,071 | Floyd Bannister | Nino Espinosa | Skip Lockwood | Joe Sambito | | 496 | 534 | -38 |
| 1977-08-24 | vs PHI | 127 | W 3-1 | - | | 13,098 | Joe Niekro | Larry Christenson | Joe Niekro | Larry Christenson | | 499 | 535 | -36 |
| 1977-08-25 | vs PHI | 128 | W 6-5 | - | | 11,802 | Dan Larson | Jim Kaat | Gene Pentz | Ron Reed | Bo McLaughlin | 505 | 540 | -35 |
| 1977-08-26 | vs MON | 129 | W 6-5 | - | | 10,040 | Mark Lemongello | Jackie Brown | Bo McLaughlin | Don Stanhouse | | 511 | 545 | -34 |
| 1977-08-27 | vs MON | 130 | W 4-0 | - | | 15,372 | J.R. Richard | Stan Bahnsen | J.R. Richard | Stan Bahnsen | | 515 | 545 | -30 |
| 1977-08-28 | vs MON | 131 | W 7-2 | - | | 8,587 | Floyd Bannister | Steve Rogers | Floyd Bannister | Steve Rogers | | 522 | 547 | -25 |
| 1977-08-30 | vs NYN | 132 | W 6-2 | - | | 6,731 | Joe Niekro | Bob Myrick | Joe Niekro | Bob Myrick | | 528 | 549 | -21 |
| 1977-08-31 | vs NYN | 133 | W 5-2 | - | | 6,527 | Mark Lemongello | Jerry Koosman | Mark Lemongello | Jerry Koosman | | 533 | 551 | -18 |
| 1977-09-02 | @ MON | 134 | W 5-2 | - | | 12,317 | J.R. Richard | Stan Bahnsen | J.R. Richard | Stan Bahnsen | | 538 | 553 | -15 |
| 1977-09-03 | @ MON | 135 | L 1-5 | - | | 16,222 | Floyd Bannister | Steve Rogers | Steve Rogers | Floyd Bannister | | 539 | 558 | -19 |
| 1977-09-04 | @ MON | 136 | W 7-1 | - | | 22,293 | Joe Niekro | Jackie Brown | Joe Niekro | Jackie Brown | | 546 | 559 | -13 |
| 1977-09-05 | vs CIN | 137 | W 5-1 | - | | 20,485 | Mark Lemongello | Tom Seaver | Mark Lemongello | Tom Seaver | | 551 | 560 | -9 |
| 1977-09-06 | vs CIN | 138 | W 8-3 | - | | 14,653 | Joaquin Andujar | Doug Capilla | Joaquin Andujar | Doug Capilla | Joe Sambito | 559 | 563 | -4 |
| 1977-09-07 | vs SDN | 139 | L 5-9 | - | | 5,120 | J.R. Richard | Dave Freisleben | Dave Freisleben | J.R. Richard | Rollie Fingers | 564 | 572 | -8 |
| 1977-09-08 | vs SDN | 140 | W 7-1 | - | | 3,697 | Floyd Bannister | Bob Shirley | Floyd Bannister | Bob Shirley | | 571 | 573 | -2 |
| 1977-09-09 | vs SFN | 141 | W 6-1 | - | | 10,019 | Joe Niekro | Jim Barr | Joe Niekro | Jim Barr | | 577 | 574 | 3 |
| 1977-09-10 | vs SFN | 142 | W 2-0 | - | | 14,382 | Mark Lemongello | Bob Knepper | Mark Lemongello | Bob Knepper | Joe Sambito | 579 | 574 | 5 |
| 1977-09-11 | vs SFN | 143 | L 1-2 | - | | 10,063 | Joaquin Andujar | Ed Halicki | Ed Halicki | Joaquin Andujar | Gary Lavelle | 580 | 576 | 4 |
| 1977-09-12 | @ CIN | 144 | W 7-2 | - | | 17,857 | J.R. Richard | Mario Soto | J.R. Richard | Mario Soto | | 587 | 578 | 9 |
| 1977-09-13 | @ CIN | 145 | W 13-4 | - | | 18,594 | Floyd Bannister | Paul Moskau | Floyd Bannister | Paul Moskau | Gene Pentz | 600 | 582 | 18 |
| 1977-09-14 | @ SFN | 146 | L 2-3 | - | | 1,033 | Joe Niekro | Bob Knepper | Bob Knepper | Joe Niekro | John Curtis | 602 | 585 | 17 |
| 1977-09-15 | @ SFN | 147 | W 6-3 | - | | 1,612 | Dan Larson | Ed Halicki | Gene Pentz | Ed Halicki | | 608 | 588 | 20 |
| 1977-09-16 | @ SDN | 148 | L 3-4 | - | | 7,046 | Joaquin Andujar | John D'Acquisto | Dave Tomlin | Joe Niekro | | 611 | 592 | 19 |
| 1977-09-17 | @ SDN | 149 | W 11-0 | - | | 8,463 | J.R. Richard | Dave Freisleben | J.R. Richard | Dave Freisleben | | 622 | 592 | 30 |
| 1977-09-20 | vs ATL | 150 | W 6-3 | - | | 5,873 | Joe Niekro | Dick Ruthven | Joe Niekro | Dick Ruthven | | 628 | 595 | 33 |
| 1977-09-21 | vs ATL | 151 | L 3-5 | - | | 6,282 | Joaquin Andujar | Phil Niekro | Phil Niekro | Joaquin Andujar | | 631 | 600 | 31 |
| 1977-09-22 | vs ATL | 152 | L 4-8 | - | | 5,747 | J.R. Richard | Eddie Solomon | Eddie Solomon | J.R. Richard | Dave Campbell | 635 | 608 | 27 |
| 1977-09-23 | vs LAN | 153 | W 4-3 | - | | 15,648 | Mark Lemongello | Don Sutton | Ken Forsch | Charlie Hough | | 639 | 611 | 28 |
| 1977-09-24 | vs LAN | 154 | L 0-1 | - | | 23,181 | Floyd Bannister | Burt Hooton | Burt Hooton | Floyd Bannister | | 639 | 612 | 27 |
| 1977-09-25 | vs LAN | 155 | L 4-5 | - | | 16,579 | Joe Niekro | Tommy John | Tommy John | Joe Niekro | Mike Garman | 643 | 617 | 26 |
| 1977-09-26 | @ ATL | 156 | L 10-12 | - | | 7,001 | Joaquin Andujar | Eddie Solomon | Buzz Capra | Dan Larson | Dave Campbell | 653 | 629 | 24 |
| 1977-09-27 | @ ATL | 157 | W 7-5 | - | | 1,467 | J.R. Richard | Mickey Mahler | J.R. Richard | Mickey Mahler | | 660 | 634 | 26 |
| 1977-09-28 | @ ATL | 158 | W 2-1 | - | | 2,255 | Mark Lemongello | Dick Ruthven | Mark Lemongello | Dick Ruthven | | 662 | 635 | 27 |
| 1977-09-29 | @ LAN | 159 | W 4-2 | - | | 14,506 | Floyd Bannister | Tommy John | Floyd Bannister | Tommy John | Gene Pentz | 666 | 637 | 29 |
| 1977-09-30 | @ LAN | 160 | L 5-6 | - | | 25,431 | Joe Niekro | Don Sutton | Dennis Lewallyn | Bo McLaughlin | | 671 | 643 | 28 |
| 1977-10-01 | @ LAN | 161 | L 3-4 | - | | 23,661 | Joaquin Andujar | Burt Hooton | Burt Hooton | Joaquin Andujar | Charlie Hough | 674 | 647 | 27 |
| 1977-10-02 | @ LAN | 162 | W 6-3 | - | | 46,501 | J.R. Richard | Bobby Castillo | J.R. Richard | Dennis Lewallyn | | 680 | 650 | 30 |