| 1977-04-07 | @ LAN | 1 | L 1-5 | 0-1 | 6 | 51,022 | John Montefusco | Don Sutton | Don Sutton | John Montefusco | | 1 | 5 | -4 |
| 1977-04-09 | @ LAN | 2 | L 2-8 | 0-2 | 6 | 40,878 | Jim Barr | Doug Rau | Doug Rau | Jim Barr | Charlie Hough | 3 | 13 | -10 |
| 1977-04-10 | @ LAN | 3 | W 8-4 | 1-2 | 6 | 25,335 | Ed Halicki | Burt Hooton | Ed Halicki | Burt Hooton | Randy Moffitt | 11 | 17 | -6 |
| 1977-04-12 | @ SDN | 4 | L 3-4 | 1-3 | 6 | 45,375 | Lynn McGlothen | Randy Jones | Randy Jones | Lynn McGlothen | Rollie Fingers | 14 | 21 | -7 |
| 1977-04-13 | @ SDN | 5 | W 3-1 | 2-3 | 4 | 13,230 | John Montefusco | Rick Sawyer | John Montefusco | Rick Sawyer | | 17 | 22 | -5 |
| 1977-04-14 | @ SDN | 6 | W 8-4 | 3-3 | 3 | 17,743 | Jim Barr | Dave Freisleben | Jim Barr | Dave Freisleben | | 25 | 26 | -1 |
| 1977-04-15 | vs LAN | 7 | L 1-7 | 3-4 | 4 | 37,813 | Ed Halicki | Doug Rau | Doug Rau | Ed Halicki | | 26 | 33 | -7 |
| 1977-04-16 | vs LAN | 8 | L 0-5 | 3-5 | 5 | 15,519 | Lynn McGlothen | Burt Hooton | Burt Hooton | Lynn McGlothen | | 26 | 38 | -12 |
| 1977-04-17 | vs LAN | 9 | L 6-7 | 3-6 | 6 | 48,771 | John Montefusco | Tommy John | Charlie Hough | Randy Moffitt | | 32 | 45 | -13 |
| 1977-04-19 | @ HOU | 10 | W 7-4 | 4-6 | 5 | 8,572 | Jim Barr | Joaquin Andujar | Jim Barr | Floyd Bannister | Gary Lavelle | 39 | 49 | -10 |
| 1977-04-20 | @ HOU | 11 | W 1-0 | 5-6 | 4 | 8,693 | Ed Halicki | Mark Lemongello | Ed Halicki | Mark Lemongello | Gary Lavelle | 40 | 49 | -9 |
| 1977-04-22 | @ MON | 12 | L 2-3 | 5-7 | 5 | 10,358 | Lynn McGlothen | Steve Rogers | Dan Warthen | Gary Lavelle | | 42 | 52 | -10 |
| 1977-04-23 | @ MON | 13 | W 4-2 | 6-7 | 4 | 19,377 | John Montefusco | Jackie Brown | John Montefusco | Jackie Brown | | 46 | 54 | -8 |
| 1977-04-24 | @ MON | 14 | W 6-5 | 7-7 | 3 | 16,836 | Jim Barr | Don Stanhouse | Jim Barr | Don Stanhouse | Gary Lavelle | 52 | 59 | -7 |
| 1977-04-26 | vs HOU | 15 | L 3-4 | 7-8 | 3 | 3,967 | Ed Halicki | Mark Lemongello | Joe Sambito | Charlie Williams | | 55 | 63 | -8 |
| 1977-04-27 | vs HOU | 16 | W 3-2 | 8-8 | 2 | 2,240 | Lynn McGlothen | J.R. Richard | Randy Moffitt | J.R. Richard | | 58 | 65 | -7 |
| 1977-04-28 | vs HOU | 17 | L 1-3 | 8-9 | 2 | 3,153 | John Montefusco | Joaquin Andujar | Joaquin Andujar | John Montefusco | Ken Forsch | 59 | 68 | -9 |
| 1977-04-29 | vs PHI | 18 | L 5-6 | 8-10 | 4 | 4,440 | Jim Barr | Steve Carlton | Steve Carlton | Jim Barr | Ron Reed | 64 | 74 | -10 |
| 1977-04-30 | vs PHI | 19 | L 4-6 | 8-11 | 4 | 6,216 | Ed Halicki | Randy Lerch | Randy Lerch | Ed Halicki | Ron Reed | 68 | 80 | -12 |
| 1977-05-01 | vs PHI | 20 | L 2-7 | 8-12 | 4 | 16,272 | Lynn McGlothen | Larry Christenson | Larry Christenson | Lynn McGlothen | | 70 | 87 | -17 |
| 1977-05-03 | vs MON | 21 | L 2-3 | 8-13 | 4 | 2,584 | John Montefusco | Don Stanhouse | Don Stanhouse | John Montefusco | Bill Atkinson | 72 | 90 | -18 |
| 1977-05-04 | vs MON | 22 | W 5-1 | 9-13 | 4 | 2,213 | Jim Barr | Gerry Hannahs | Jim Barr | Gerry Hannahs | | 77 | 91 | -14 |
| 1977-05-05 | vs MON | 23 | L 1-7 | 9-14 | 4 | 1,805 | Ed Halicki | Steve Rogers | Steve Rogers | Ed Halicki | | 78 | 98 | -20 |
| 1977-05-06 | vs NYN | 24 | W 5-3 | 10-14 | 3 | 5,872 | Lynn McGlothen | Craig Swan | Lynn McGlothen | Craig Swan | | 83 | 101 | -18 |
| 1977-05-07 | vs NYN | 25 | L 0-6 | 10-15 | 4 | 5,245 | John Montefusco | Jerry Koosman | Jerry Koosman | John Montefusco | | 83 | 107 | -24 |
| 1977-05-08 | vs NYN | 26 | W 4-2 | 12-15 | 2 | 0 | Jim Barr | Nino Espinosa | Jim Barr | Nino Espinosa | Randy Moffitt | 87 | 109 | -22 |
| 1977-05-08 | vs NYN | 27 | W 10-0 | 12-15 | 2 | 15,645 | John Curtis | Jon Matlack | John Curtis | Jon Matlack | | 97 | 109 | -12 |
| 1977-05-10 | @ PHI | 28 | L 0-3 | 12-16 | 2 | 16,121 | Terry Cornutt | Steve Carlton | Steve Carlton | Terry Cornutt | | 97 | 112 | -15 |
| 1977-05-11 | @ PHI | 29 | W 4-2 | 13-16 | 2 | 18,482 | Lynn McGlothen | Randy Lerch | Lynn McGlothen | Randy Lerch | | 101 | 114 | -13 |
| 1977-05-12 | @ PHI | 30 | L 0-3 | 13-17 | 2 | 23,103 | John Montefusco | Larry Christenson | Larry Christenson | John Montefusco | | 101 | 117 | -16 |
| 1977-05-13 | @ CIN | 31 | L 4-6 | 13-18 | 4 | 32,539 | Jim Barr | Fred Norman | Fred Norman | Jim Barr | Rawly Eastwick | 105 | 123 | -18 |
| 1977-05-14 | @ CIN | 32 | W 4-3 | 14-18 | 2 | 32,682 | Ed Halicki | Santo Alcala | Gary Lavelle | Woodie Fryman | | 109 | 126 | -17 |
| 1977-05-15 | @ CIN | 33 | L 2-6 | 14-19 | 3 | 30,616 | Lynn McGlothen | Gary Nolan | Gary Nolan | Lynn McGlothen | | 111 | 132 | -21 |
| 1977-05-17 | @ NYN | 34 | L 1-8 | 14-20 | 4 | 8,366 | John Montefusco | Jerry Koosman | Jerry Koosman | John Montefusco | | 112 | 140 | -28 |
| 1977-05-18 | @ NYN | 35 | L 0-2 | 14-21 | 4 | 7,131 | Jim Barr | Jon Matlack | Jon Matlack | Jim Barr | | 112 | 142 | -30 |
| 1977-05-19 | @ NYN | 36 | L 3-4 | 14-22 | 4 | 8,080 | Ed Halicki | Jackson Todd | Jackson Todd | Ed Halicki | Skip Lockwood | 115 | 146 | -31 |
| 1977-05-20 | @ SLN | 37 | W 7-5 | 15-22 | 4 | 22,497 | Lynn McGlothen | Pete Falcone | Gary Lavelle | Al Hrabosky | Randy Moffitt | 122 | 151 | -29 |
| 1977-05-21 | @ SLN | 38 | L 5-8 | 15-23 | 5 | 15,546 | John Montefusco | John Denny | John Denny | John Montefusco | Clay Carroll | 127 | 159 | -32 |
| 1977-05-22 | @ SLN | 39 | W 2-0 | 16-23 | 4 | 43,824 | Jim Barr | Larry Dierker | Jim Barr | Larry Dierker | Gary Lavelle | 129 | 159 | -30 |
| 1977-05-23 | @ SLN | 40 | W 7-2 | 17-23 | 3 | 9,800 | Ed Halicki | Eric Rasmussen | Ed Halicki | Eric Rasmussen | Gary Lavelle | 136 | 161 | -25 |
| 1977-05-25 | vs CIN | 41 | W 6-5 | 18-23 | 3 | 7,041 | John Curtis | Tom Hume | Charlie Williams | Tom Hume | Gary Lavelle | 142 | 166 | -24 |
| 1977-05-26 | vs CIN | 42 | W 6-5 | 19-23 | 2 | 5,702 | John Montefusco | Gary Nolan | Gary Lavelle | Pedro Borbon | Randy Moffitt | 148 | 171 | -23 |
| 1977-05-27 | vs ATL | 43 | W 4-3 | 20-23 | 2 | 3,842 | Jim Barr | Phil Niekro | Charlie Williams | Buzz Capra | | 152 | 174 | -22 |
| 1977-05-28 | vs ATL | 44 | L 1-2 | 20-24 | 2 | 5,810 | Ed Halicki | Jamie Easterly | Jamie Easterly | Ed Halicki | Rick Camp | 153 | 176 | -23 |
| 1977-05-29 | vs ATL | 45 | W 3-2 | 21-24 | 2 | 4,242 | John Curtis | Max Leon | Gary Lavelle | Dave Campbell | | 156 | 178 | -22 |
| 1977-05-30 | vs SDN | 46 | L 8-12 | 21-26 | 4 | 0 | Lynn McGlothen | Bob Owchinko | Rick Sawyer | Lynn McGlothen | Rollie Fingers | 164 | 190 | -26 |
| 1977-05-30 | vs SDN | 47 | L 8-9 | 21-26 | 4 | 25,807 | Bob Knepper | John D'Acquisto | Dave Wehrmeister | Randy Moffitt | Rollie Fingers | 172 | 199 | -27 |
| 1977-05-31 | vs SDN | 48 | L 2-4 | 21-27 | 4 | 2,107 | Jim Barr | Tom Griffin | Dave Tomlin | Jim Barr | Rollie Fingers | 174 | 203 | -29 |
| 1977-06-01 | vs SDN | 49 | W 2-0 | 22-27 | 4 | 2,890 | Ed Halicki | Bob Shirley | Ed Halicki | Bob Shirley | | 176 | 203 | -27 |
| 1977-06-03 | @ ATL | 50 | L 3-5 | 22-29 | 4 | 0 | Lynn McGlothen | Max Leon | Don Collins | Lynn McGlothen | Rick Camp | 179 | 208 | -29 |
| 1977-06-03 | @ ATL | 51 | L 7-8 | 22-29 | 4 | 13,284 | Bob Knepper | Andy Messersmith | Rick Camp | Gary Lavelle | | 186 | 216 | -30 |
| 1977-06-04 | @ ATL | 52 | L 1-7 | 22-30 | 5 | 13,818 | John Curtis | Phil Niekro | Phil Niekro | John Curtis | | 187 | 223 | -36 |
| 1977-06-05 | @ ATL | 53 | W 10-9 | 23-30 | 4 | 7,464 | Ed Halicki | Jamie Easterly | Ed Halicki | Jamie Easterly | Gary Lavelle | 197 | 232 | -35 |
| 1977-06-06 | @ PIT | 54 | W 3-1 | 24-30 | 3 | 6,635 | Bob Knepper | John Candelaria | Gary Lavelle | Rich Gossage | | 200 | 233 | -33 |
| 1977-06-07 | @ PIT | 55 | W 7-6 | 25-30 | 3 | 6,795 | Jim Barr | Larry Demery | Jim Barr | Larry Demery | Randy Moffitt | 207 | 239 | -32 |
| 1977-06-08 | @ PIT | 56 | W 3-2 | 26-30 | 3 | 6,995 | John Curtis | Jim Rooker | John Curtis | Jim Rooker | Gary Lavelle | 210 | 241 | -31 |
| 1977-06-09 | @ CHN | 57 | L 0-1 | 26-31 | 3 | 9,772 | Ed Halicki | Bill Bonham | Bruce Sutter | Randy Moffitt | | 210 | 242 | -32 |
| 1977-06-10 | @ CHN | 58 | L 1-3 | 26-32 | 3 | 12,642 | Bob Knepper | Rick Reuschel | Rick Reuschel | Bob Knepper | | 211 | 245 | -34 |
| 1977-06-11 | @ CHN | 59 | L 3-5 | 26-33 | 4 | 32,411 | Jim Barr | Ray Burris | Guillermo Hernandez | Gary Lavelle | Bruce Sutter | 214 | 250 | -36 |
| 1977-06-12 | @ CHN | 60 | L 5-6 | 26-34 | 3 | 27,038 | John Curtis | Mike Krukow | Bruce Sutter | Gary Lavelle | | 219 | 256 | -37 |
| 1977-06-14 | vs SLN | 61 | W 7-1 | 27-34 | 3 | 9,407 | Ed Halicki | Bob Forsch | Ed Halicki | Bob Forsch | | 226 | 257 | -31 |
| 1977-06-15 | vs SLN | 62 | L 6-9 | 27-35 | 3 | 3,204 | Bob Knepper | Pete Falcone | John Urrea | Randy Moffitt | | 232 | 266 | -34 |
| 1977-06-16 | vs SLN | 63 | W 5-1 | 28-35 | 3 | 5,621 | Jim Barr | Larry Dierker | Jim Barr | Larry Dierker | | 237 | 267 | -30 |
| 1977-06-17 | vs PIT | 64 | W 4-3 | 29-35 | 3 | 4,789 | John Curtis | Jerry Reuss | Dave Heaverlo | Jerry Reuss | Gary Lavelle | 241 | 270 | -29 |
| 1977-06-18 | vs PIT | 65 | W 7-5 | 30-35 | 3 | 10,231 | Ed Halicki | Bruce Kison | Randy Moffitt | Terry Forster | | 248 | 275 | -27 |
| 1977-06-19 | vs PIT | 66 | W 8-0 | 32-35 | 3 | 0 | Bob Knepper | Jim Rooker | Bob Knepper | Jim Rooker | | 256 | 275 | -19 |
| 1977-06-19 | vs PIT | 67 | W 8-6 | 32-35 | 3 | 23,078 | Charlie Williams | Larry Demery | Dave Heaverlo | Grant Jackson | Randy Moffitt | 264 | 281 | -17 |
| 1977-06-20 | vs CHN | 68 | L 9-10 | 32-36 | 3 | 4,344 | Jim Barr | Ray Burris | Donnie Moore | Terry Cornutt | Rick Reuschel | 273 | 291 | -18 |
| 1977-06-21 | vs CHN | 69 | L 2-8 | 32-37 | 3 | 17,610 | John Curtis | Mike Krukow | Mike Krukow | John Curtis | Steve Renko | 275 | 299 | -24 |
| 1977-06-22 | vs CHN | 70 | L 2-4 | 32-38 | 3 | 7,000 | Ed Halicki | Bill Bonham | Bill Bonham | Ed Halicki | Bruce Sutter | 277 | 303 | -26 |
| 1977-06-24 | @ HOU | 71 | L 5-6 | 32-39 | 3 | 13,119 | Bob Knepper | Dan Larson | Joe Sambito | Tommy Toms | | 282 | 309 | -27 |
| 1977-06-25 | @ HOU | 72 | L 3-4 | 33-40 | 3 | 0 | Jim Barr | J.R. Richard | Joe Niekro | Randy Moffitt | | 285 | 313 | -28 |
| 1977-06-25 | @ HOU | 73 | W 4-1 | 33-40 | 3 | 20,475 | Charlie Williams | Mark Lemongello | Charlie Williams | Mark Lemongello | Gary Lavelle | 289 | 314 | -25 |
| 1977-06-26 | @ HOU | 74 | W 2-0 | 34-40 | 3 | 10,057 | Ed Halicki | Ken Forsch | Ed Halicki | Ken Forsch | | 291 | 314 | -23 |
| 1977-06-27 | @ CIN | 75 | W 14-9 | 35-40 | 3 | 27,188 | John Curtis | Jack Billingham | Terry Cornutt | Joe Henderson | Gary Lavelle | 305 | 323 | -18 |
| 1977-06-28 | @ CIN | 76 | L 4-11 | 35-41 | 3 | 21,959 | Bob Knepper | Doug Capilla | Doug Capilla | Bob Knepper | | 309 | 334 | -25 |
| 1977-06-29 | @ CIN | 77 | L 4-5 | 35-42 | 3 | 34,503 | Jim Barr | Tom Seaver | Dale Murray | John Curtis | | 313 | 339 | -26 |
| 1977-06-30 | @ CIN | 78 | L 5-11 | 35-43 | 3 | 36,901 | Ed Halicki | Woodie Fryman | Woodie Fryman | Ed Halicki | Dale Murray | 318 | 350 | -32 |
| 1977-07-01 | vs LAN | 79 | L 5-10 | 35-44 | 3 | 13,801 | Charlie Williams | Doug Rau | Doug Rau | Charlie Williams | | 323 | 360 | -37 |
| 1977-07-02 | vs LAN | 80 | L 3-10 | 35-45 | 3 | 15,140 | Bob Knepper | Burt Hooton | Burt Hooton | Bob Knepper | | 326 | 370 | -44 |
| 1977-07-03 | vs LAN | 81 | L 7-10 | 35-46 | 4 | 33,251 | Jim Barr | Tommy John | Tommy John | Jim Barr | Mike Garman | 333 | 380 | -47 |
| 1977-07-04 | vs LAN | 82 | L 0-4 | 35-47 | 4 | 14,777 | Ed Halicki | Don Sutton | Don Sutton | Ed Halicki | | 333 | 384 | -51 |
| 1977-07-06 | vs SDN | 83 | L 5-7 | 35-48 | 4 | 2,597 | Charlie Williams | Bob Shirley | Dan Spillner | Dave Heaverlo | | 338 | 391 | -53 |
| 1977-07-07 | vs SDN | 84 | W 5-1 | 36-48 | 4 | 3,181 | Bob Knepper | Bob Owchinko | Bob Knepper | Bob Owchinko | | 343 | 392 | -49 |
| 1977-07-08 | vs ATL | 85 | W 3-2 | 37-48 | 4 | 2,684 | Jim Barr | Phil Niekro | Gary Lavelle | Phil Niekro | | 346 | 394 | -48 |
| 1977-07-09 | vs ATL | 86 | W 5-4 | 38-48 | 3 | 3,699 | Ed Halicki | Don Collins | Randy Moffitt | Jamie Easterly | | 351 | 398 | -47 |
| 1977-07-10 | vs ATL | 87 | W 5-2 | 40-48 | 3 | 0 | Charlie Williams | Dick Ruthven | Charlie Williams | Dick Ruthven | | 356 | 400 | -44 |
| 1977-07-10 | vs ATL | 88 | W 12-5 | 40-48 | 3 | 17,819 | John Montefusco | Eddie Solomon | Dave Heaverlo | Eddie Solomon | | 368 | 405 | -37 |
| 1977-07-11 | @ SDN | 89 | W 5-1 | 41-48 | 3 | 11,109 | Bob Knepper | Bob Shirley | Bob Knepper | Bob Shirley | Randy Moffitt | 373 | 406 | -33 |
| 1977-07-12 | @ SDN | 90 | L 3-7 | 41-49 | 3 | 10,708 | Jim Barr | Bob Owchinko | Bob Owchinko | Jim Barr | Dan Spillner | 376 | 413 | -37 |
| 1977-07-13 | @ SDN | 91 | W 5-4 | 42-49 | 3 | 11,000 | Ed Halicki | Tom Griffin | Ed Halicki | Tom Griffin | Gary Lavelle | 381 | 417 | -36 |
| 1977-07-15 | @ ATL | 92 | L 2-3 | 42-50 | 3 | 8,966 | John Montefusco | Eddie Solomon | Eddie Solomon | John Montefusco | Rick Camp | 383 | 420 | -37 |
| 1977-07-16 | @ ATL | 93 | W 4-0 | 43-50 | 3 | 14,965 | Bob Knepper | Phil Niekro | Bob Knepper | Phil Niekro | Gary Lavelle | 387 | 420 | -33 |
| 1977-07-17 | @ ATL | 94 | L 10-11 | 43-51 | 4 | 8,452 | Jim Barr | Buzz Capra | Max Leon | Lynn McGlothen | | 397 | 431 | -34 |
| 1977-07-21 | vs PHI | 95 | L 6-9 | 43-52 | 4 | 5,771 | Ed Halicki | Jim Lonborg | Jim Lonborg | Charlie Williams | Gene Garber | 403 | 440 | -37 |
| 1977-07-22 | vs PHI | 96 | W 6-2 | 44-52 | 4 | 6,064 | John Montefusco | Steve Carlton | John Montefusco | Steve Carlton | Gary Lavelle | 409 | 442 | -33 |
| 1977-07-23 | vs PHI | 97 | L 3-6 | 44-53 | 4 | 7,958 | Bob Knepper | Larry Christenson | Larry Christenson | Bob Knepper | Tug McGraw | 412 | 448 | -36 |
| 1977-07-24 | vs MON | 98 | W 3-0 | 46-53 | 4 | 0 | Jim Barr | Wayne Twitchell | Jim Barr | Wayne Twitchell | | 415 | 448 | -33 |
| 1977-07-24 | vs MON | 99 | W 5-4 | 46-53 | 4 | 21,155 | Lynn McGlothen | Don Stanhouse | John Curtis | Will McEnaney | | 420 | 452 | -32 |
| 1977-07-25 | vs MON | 100 | L 3-4 | 46-54 | 4 | 2,340 | Ed Halicki | Steve Rogers | Steve Rogers | Ed Halicki | Bill Atkinson | 423 | 456 | -33 |
| 1977-07-26 | vs NYN | 101 | L 3-8 | 46-55 | 4 | 9,897 | John Montefusco | Pat Zachry | Pat Zachry | John Montefusco | Bob Apodaca | 426 | 464 | -38 |
| 1977-07-27 | vs NYN | 102 | L 4-7 | 46-56 | 4 | 4,406 | Bob Knepper | Jon Matlack | Jon Matlack | Bob Knepper | Skip Lockwood | 430 | 471 | -41 |
| 1977-07-29 | @ PHI | 103 | W 7-0 | 47-56 | 4 | 32,449 | Jim Barr | Randy Lerch | Jim Barr | Randy Lerch | | 437 | 471 | -34 |
| 1977-07-30 | @ PHI | 104 | L 3-9 | 47-57 | 4 | 35,197 | Lynn McGlothen | Steve Carlton | Steve Carlton | Lynn McGlothen | Gene Garber | 440 | 480 | -40 |
| 1977-07-31 | @ PHI | 105 | L 4-5 | 47-58 | 4 | 42,013 | Ed Halicki | Jim Lonborg | Tug McGraw | Gary Lavelle | Ron Reed | 444 | 485 | -41 |
| 1977-08-01 | @ MON | 106 | W 9-2 | 48-58 | 4 | 21,027 | John Montefusco | Wayne Twitchell | John Montefusco | Wayne Twitchell | | 453 | 487 | -34 |
| 1977-08-02 | @ MON | 107 | L 2-10 | 48-59 | 4 | 16,015 | Bob Knepper | Steve Rogers | Steve Rogers | Bob Knepper | | 455 | 497 | -42 |
| 1977-08-03 | @ MON | 108 | L 2-4 | 48-60 | 4 | 16,812 | Jim Barr | Jackie Brown | Jackie Brown | Jim Barr | Don Stanhouse | 457 | 501 | -44 |
| 1977-08-05 | @ NYN | 109 | L 2-3 | 48-61 | 4 | 15,747 | Lynn McGlothen | Craig Swan | Bob Myrick | Gary Lavelle | | 459 | 504 | -45 |
| 1977-08-06 | @ NYN | 110 | W 7-3 | 49-61 | 4 | 13,899 | Ed Halicki | Pat Zachry | Ed Halicki | Pat Zachry | | 466 | 507 | -41 |
| 1977-08-07 | @ NYN | 111 | W 7-4 | 50-61 | 4 | 15,826 | John Montefusco | Jon Matlack | John Montefusco | Bob Apodaca | Gary Lavelle | 473 | 511 | -38 |
| 1977-08-09 | vs HOU | 112 | W 4-3 | 52-61 | 3 | 0 | Jim Barr | Joe Niekro | Jim Barr | Joe Niekro | Gary Lavelle | 477 | 514 | -37 |
| 1977-08-09 | vs HOU | 113 | W 5-0 | 52-61 | 3 | 10,010 | Bob Knepper | Gene Pentz | Bob Knepper | Gene Pentz | | 482 | 514 | -32 |
| 1977-08-10 | vs HOU | 114 | L 6-8 | 52-62 | 4 | 2,607 | Lynn McGlothen | J.R. Richard | J.R. Richard | Lynn McGlothen | Ken Forsch | 488 | 522 | -34 |
| 1977-08-11 | vs HOU | 115 | L 5-7 | 52-63 | 4 | 3,393 | Ed Halicki | Mark Lemongello | Dan Larson | Gary Lavelle | Joe Sambito | 493 | 529 | -36 |
| 1977-08-12 | vs CIN | 116 | W 4-3 | 53-63 | 4 | 9,240 | John Montefusco | Mario Soto | John Montefusco | Mario Soto | Randy Moffitt | 497 | 532 | -35 |
| 1977-08-13 | vs CIN | 117 | L 1-3 | 53-64 | 4 | 14,917 | Jim Barr | Paul Moskau | Dale Murray | Jim Barr | Pedro Borbon | 498 | 535 | -37 |
| 1977-08-14 | vs CIN | 118 | W 6-1 | 54-65 | 4 | 0 | Bob Knepper | Doug Capilla | Bob Knepper | Doug Capilla | | 504 | 536 | -32 |
| 1977-08-14 | vs CIN | 119 | L 3-9 | 54-65 | 4 | 37,943 | Charlie Williams | Fred Norman | Fred Norman | Charlie Williams | | 507 | 545 | -38 |
| 1977-08-15 | @ LAN | 120 | W 6-3 | 55-65 | 4 | 37,522 | Ed Halicki | Rick Rhoden | Ed Halicki | Rick Rhoden | Gary Lavelle | 513 | 548 | -35 |
| 1977-08-16 | @ LAN | 121 | L 2-3 | 55-66 | 4 | 27,679 | John Montefusco | Burt Hooton | Lance Rautzhan | Randy Moffitt | | 515 | 551 | -36 |
| 1977-08-18 | @ LAN | 122 | L 0-7 | 55-67 | 4 | 15,955 | Jim Barr | Don Sutton | Don Sutton | Jim Barr | | 515 | 558 | -43 |
| 1977-08-19 | @ PIT | 123 | L 1-6 | 55-68 | 4 | 16,831 | Bob Knepper | John Candelaria | John Candelaria | Bob Knepper | | 516 | 564 | -48 |
| 1977-08-20 | @ PIT | 124 | W 5-1 | 56-68 | 4 | 15,947 | Ed Halicki | Odell Jones | Ed Halicki | Odell Jones | | 521 | 565 | -44 |
| 1977-08-21 | @ PIT | 125 | W 5-4 | 57-68 | 4 | 32,232 | John Montefusco | Bruce Kison | Gary Lavelle | Rich Gossage | Randy Moffitt | 526 | 569 | -43 |
| 1977-08-22 | @ CHN | 126 | L 2-3 | 57-69 | 4 | 19,085 | Jim Barr | Rick Reuschel | Rick Reuschel | Jim Barr | Guillermo Hernandez | 528 | 572 | -44 |
| 1977-08-23 | @ CHN | 127 | W 4-3 | 58-69 | 3 | 23,347 | Bob Knepper | Ray Burris | Charlie Williams | Paul Reuschel | | 532 | 575 | -43 |
| 1977-08-24 | @ SLN | 128 | L 2-3 | 58-70 | 4 | 15,764 | Ed Halicki | John Urrea | John Urrea | Ed Halicki | Al Hrabosky | 534 | 578 | -44 |
| 1977-08-25 | @ SLN | 129 | W 4-2 | 59-70 | 4 | 15,841 | John Montefusco | Buddy Schultz | John Montefusco | Butch Metzger | Randy Moffitt | 538 | 580 | -42 |
| 1977-08-26 | vs CHN | 130 | L 2-5 | 59-71 | 4 | 4,719 | Jim Barr | Rick Reuschel | Rick Reuschel | Jim Barr | Bruce Sutter | 540 | 585 | -45 |
| 1977-08-27 | vs CHN | 131 | W 7-1 | 60-71 | 4 | 6,587 | Bob Knepper | Ray Burris | Bob Knepper | Ray Burris | | 547 | 586 | -39 |
| 1977-08-28 | vs CHN | 132 | W 4-1 | 61-71 | 4 | 21,622 | Ed Halicki | Dave Roberts | Ed Halicki | Dave Roberts | | 551 | 587 | -36 |
| 1977-08-30 | vs PIT | 133 | L 1-3 | 61-72 | 4 | 12,699 | John Montefusco | John Candelaria | John Candelaria | John Montefusco | | 552 | 590 | -38 |
| 1977-08-31 | vs PIT | 134 | W 6-3 | 62-72 | 4 | 4,267 | Jim Barr | Bruce Kison | Jim Barr | Bruce Kison | | 558 | 593 | -35 |
| 1977-09-02 | vs SLN | 135 | L 4-6 | 62-73 | 4 | 3,329 | Bob Knepper | John Denny | Buddy Schultz | Randy Moffitt | Butch Metzger | 562 | 599 | -37 |
| 1977-09-03 | vs SLN | 136 | W 6-5 | 63-73 | 4 | 5,606 | Ed Halicki | Bob Forsch | Dave Heaverlo | Pete Falcone | | 568 | 604 | -36 |
| 1977-09-04 | vs SLN | 137 | L 2-8 | 63-74 | 4 | 8,228 | John Montefusco | John Urrea | John Urrea | John Montefusco | | 570 | 612 | -42 |
| 1977-09-05 | @ ATL | 138 | L 0-4 | 63-75 | 4 | 2,262 | Jim Barr | Dick Ruthven | Dick Ruthven | Jim Barr | | 570 | 616 | -46 |
| 1977-09-06 | @ ATL | 139 | W 12-2 | 64-75 | 4 | 877 | Bob Knepper | Eddie Solomon | Bob Knepper | Eddie Solomon | | 582 | 618 | -36 |
| 1977-09-07 | @ CIN | 140 | W 6-3 | 65-75 | 4 | 19,351 | Ed Halicki | Mario Soto | Ed Halicki | Mario Soto | Gary Lavelle | 588 | 621 | -33 |
| 1977-09-08 | @ CIN | 141 | L 5-6 | 65-76 | 4 | 18,379 | Charlie Williams | Paul Moskau | Pedro Borbon | Randy Moffitt | | 593 | 627 | -34 |
| 1977-09-09 | @ HOU | 142 | L 1-6 | 65-77 | 4 | 10,019 | Jim Barr | Joe Niekro | Joe Niekro | Jim Barr | | 594 | 633 | -39 |
| 1977-09-10 | @ HOU | 143 | L 0-2 | 65-78 | 4 | 14,382 | Bob Knepper | Mark Lemongello | Mark Lemongello | Bob Knepper | Joe Sambito | 594 | 635 | -41 |
| 1977-09-11 | @ HOU | 144 | W 2-1 | 66-78 | 4 | 10,063 | Ed Halicki | Joaquin Andujar | Ed Halicki | Joaquin Andujar | Gary Lavelle | 596 | 636 | -40 |
| 1977-09-12 | vs ATL | 145 | L 1-3 | 66-79 | 4 | 1,092 | Charlie Williams | Phil Niekro | Phil Niekro | Charlie Williams | | 597 | 639 | -42 |
| 1977-09-13 | vs ATL | 146 | W 8-7 | 67-79 | 4 | 1,029 | Jim Barr | Mickey Mahler | Randy Moffitt | Dave Campbell | | 605 | 646 | -41 |
| 1977-09-14 | vs HOU | 147 | W 3-2 | 68-79 | 4 | 1,033 | Bob Knepper | Joe Niekro | Bob Knepper | Joe Niekro | John Curtis | 608 | 648 | -40 |
| 1977-09-15 | vs HOU | 148 | L 3-6 | 68-80 | 4 | 1,612 | Ed Halicki | Dan Larson | Gene Pentz | Ed Halicki | | 611 | 654 | -43 |
| 1977-09-16 | vs CIN | 149 | L 3-5 | 68-81 | 4 | 3,014 | Greg Minton | Doug Capilla | Doug Capilla | Greg Minton | Pedro Borbon | 614 | 659 | -45 |
| 1977-09-17 | vs CIN | 150 | L 6-8 | 68-82 | 4 | 5,870 | Jim Barr | Mario Soto | Pedro Borbon | Randy Moffitt | | 620 | 667 | -47 |
| 1977-09-18 | vs CIN | 151 | W 3-2 | 69-82 | 4 | 24,426 | Bob Knepper | Paul Moskau | Bob Knepper | Pedro Borbon | | 623 | 669 | -46 |
| 1977-09-20 | vs LAN | 152 | L 1-3 | 69-83 | 4 | 7,359 | Ed Halicki | Tommy John | Tommy John | Ed Halicki | Lance Rautzhan | 624 | 672 | -48 |
| 1977-09-21 | vs LAN | 153 | W 5-4 | 70-83 | 4 | 5,299 | Greg Minton | Doug Rau | Greg Minton | Charlie Hough | Gary Lavelle | 629 | 676 | -47 |
| 1977-09-23 | @ SDN | 154 | W 6-4 | 71-83 | 4 | 5,271 | Jim Barr | John D'Acquisto | Dave Heaverlo | Dan Spillner | | 635 | 680 | -45 |
| 1977-09-24 | @ SDN | 155 | W 3-2 | 72-83 | 4 | 7,777 | John Montefusco | Dave Freisleben | Charlie Williams | Rollie Fingers | Randy Moffitt | 638 | 682 | -44 |
| 1977-09-25 | @ SDN | 156 | L 2-9 | 72-84 | 4 | 17,379 | Bob Knepper | Bob Owchinko | Bob Owchinko | Bob Knepper | | 640 | 691 | -51 |
| 1977-09-26 | @ LAN | 157 | W 9-1 | 73-84 | 4 | 9,926 | Ed Halicki | Rick Rhoden | Ed Halicki | Rick Rhoden | | 649 | 692 | -43 |
| 1977-09-27 | @ LAN | 158 | L 2-5 | 73-85 | 4 | 16,852 | Jim Barr | Doug Rau | Doug Rau | Jim Barr | Mike Garman | 651 | 697 | -46 |
| 1977-09-28 | @ LAN | 159 | L 1-2 | 73-86 | 4 | 19,537 | John Montefusco | Charlie Hough | Charlie Hough | John Montefusco | Dennis Lewallyn | 652 | 699 | -47 |
| 1977-09-30 | vs SDN | 160 | W 7-5 | 74-86 | 4 | 1,864 | Bob Knepper | Dave Freisleben | Bob Knepper | Dave Freisleben | Dave Heaverlo | 659 | 704 | -45 |
| 1977-10-01 | vs SDN | 161 | W 13-4 | 75-86 | 4 | 2,549 | Ed Halicki | Bob Owchinko | Ed Halicki | Bob Owchinko | | 672 | 708 | -36 |
| 1977-10-02 | vs SDN | 162 | L 1-3 | 75-87 | 4 | 17,320 | Jim Barr | Bob Shirley | Bob Shirley | Jim Barr | | 673 | 711 | -38 |