| 1987-04-07 | vs PHI | 1 | W 6-0 | 1-0 | 1 | 31,343 | Rick Mahler | Shane Rawley | Rick Mahler | Shane Rawley | | 6 | 0 | 6 |
| 1987-04-09 | vs PHI | 2 | W 8-7 | 2-0 | 1 | 8,907 | Zane Smith | Bruce Ruffin | Gene Garber | Dan Schatzeder | | 14 | 7 | 7 |
| 1987-04-10 | @ NYN | 3 | L 3-6 | 2-1 | 4 | 29,292 | David Palmer | Sid Fernandez | Sid Fernandez | David Palmer | Doug Sisk | 17 | 13 | 4 |
| 1987-04-11 | @ NYN | 4 | W 4-3 | 3-1 | 4 | 37,437 | Rick Mahler | Rick Aguilera | Gene Garber | David Cone | | 21 | 16 | 5 |
| 1987-04-12 | @ NYN | 5 | W 12-4 | 4-1 | 2 | 37,019 | Randy O'Neal | Bob Ojeda | Randy O'Neal | Bob Ojeda | | 33 | 20 | 13 |
| 1987-04-13 | vs CIN | 6 | L 2-7 | 4-2 | 4 | 10,678 | Zane Smith | Bill Gullickson | Bill Gullickson | Zane Smith | | 35 | 27 | 8 |
| 1987-04-14 | vs CIN | 7 | L 3-6 | 4-3 | 4 | 8,768 | David Palmer | Ted Power | Ted Power | David Palmer | John Franco | 38 | 33 | 5 |
| 1987-04-15 | vs CIN | 8 | W 4-3 | 5-3 | 4 | 8,990 | Rick Mahler | Tom Browning | Rick Mahler | Tom Browning | Gene Garber | 42 | 36 | 6 |
| 1987-04-17 | @ SFN | 9 | W 2-0 | 6-3 | 4 | 20,459 | Zane Smith | Mike Krukow | Zane Smith | Mike Krukow | | 44 | 36 | 8 |
| 1987-04-18 | @ SFN | 10 | L 1-2 | 6-4 | 4 | 22,054 | David Palmer | Roger Mason | Scott Garrelts | Gene Garber | | 45 | 38 | 7 |
| 1987-04-19 | @ SFN | 11 | L 3-4 | 6-5 | 4 | 34,794 | Rick Mahler | Mark Grant | Jeff Robinson | Paul Assenmacher | | 48 | 42 | 6 |
| 1987-04-21 | @ HOU | 12 | L 6-7 | 6-6 | 4 | 14,602 | Zane Smith | Bob Knepper | Larry Andersen | Gene Garber | | 54 | 49 | 5 |
| 1987-04-22 | @ HOU | 13 | L 0-6 | 6-7 | 5 | 15,539 | David Palmer | Jim Deshaies | Jim Deshaies | David Palmer | | 54 | 55 | -1 |
| 1987-04-23 | @ HOU | 14 | L 3-5 | 6-8 | 5 | 14,757 | Rick Mahler | Danny Darwin | Dave Meads | Rick Mahler | Dave Smith | 57 | 60 | -3 |
| 1987-04-24 | vs SFN | 15 | L 5-7 | 6-9 | 5 | 11,398 | Randy O'Neal | Roger Mason | Greg Minton | Jim Acker | Jeff Robinson | 62 | 67 | -5 |
| 1987-04-25 | vs SFN | 16 | W 5-3 | 7-9 | 5 | 13,949 | Zane Smith | Mark Grant | Gene Garber | Scott Garrelts | | 67 | 70 | -3 |
| 1987-04-26 | vs SFN | 17 | L 4-6 | 7-10 | 5 | 18,058 | David Palmer | Mark Davis | Mark Davis | David Palmer | Jeff Robinson | 71 | 76 | -5 |
| 1987-04-27 | vs SFN | 18 | L 3-7 | 7-11 | 5 | 6,474 | Rick Mahler | Kelly Downs | Kelly Downs | Rick Mahler | Scott Garrelts | 74 | 83 | -9 |
| 1987-04-28 | @ CIN | 19 | W 7-3 | 8-11 | 5 | 16,553 | Randy O'Neal | Tom Browning | Randy O'Neal | Tom Browning | | 81 | 86 | -5 |
| 1987-04-29 | @ CIN | 20 | W 5-2 | 9-11 | 5 | 17,988 | Zane Smith | Bill Gullickson | Zane Smith | Bill Gullickson | Gene Garber | 86 | 88 | -2 |
| 1987-04-30 | @ CIN | 21 | L 8-9 | 9-12 | 5 | 21,214 | David Palmer | Ted Power | Bill Landrum | Steve Ziem | | 94 | 97 | -3 |
| 1987-05-01 | vs HOU | 22 | L 3-12 | 9-13 | 5 | 8,768 | Rick Mahler | Nolan Ryan | Nolan Ryan | Rick Mahler | | 97 | 109 | -12 |
| 1987-05-02 | vs HOU | 23 | W 12-4 | 10-13 | 5 | 16,748 | Randy O'Neal | Jim Deshaies | Randy O'Neal | Jim Deshaies | Jim Acker | 109 | 113 | -4 |
| 1987-05-03 | vs HOU | 24 | W 5-3 | 11-13 | 5 | 16,336 | Zane Smith | Mike Scott | Zane Smith | Mike Scott | Jeff Dedmon | 114 | 116 | -2 |
| 1987-05-04 | vs MON | 25 | W 10-7 | 12-13 | 5 | 4,155 | David Palmer | Bob Sebra | David Palmer | Bob Sebra | Jim Acker | 124 | 123 | 1 |
| 1987-05-05 | vs MON | 26 | L 4-6 | 12-14 | 5 | 4,515 | Rick Mahler | Jay Tibbs | Jay Tibbs | Rick Mahler | Andy McGaffigan | 128 | 129 | -1 |
| 1987-05-06 | vs MON | 27 | L 2-6 | 12-15 | 5 | 5,891 | Randy O'Neal | Bryn Smith | Bryn Smith | Randy O'Neal | | 130 | 135 | -5 |
| 1987-05-08 | vs NYN | 28 | W 4-3 | 13-15 | 5 | 26,044 | Zane Smith | Ron Darling | Gene Garber | Jesse Orosco | | 134 | 138 | -4 |
| 1987-05-09 | vs NYN | 29 | W 5-4 | 14-15 | 5 | 26,404 | David Palmer | Bob Ojeda | David Palmer | Bob Ojeda | Gene Garber | 139 | 142 | -3 |
| 1987-05-10 | vs NYN | 30 | W 8-7 | 15-15 | 5 | 19,460 | Rick Mahler | Sid Fernandez | Jeff Dedmon | Jesse Orosco | Gene Garber | 147 | 149 | -2 |
| 1987-05-11 | @ MON | 31 | L 6-7 | 15-16 | 5 | 9,653 | Randy O'Neal | Bryn Smith | Lary Sorensen | Jim Acker | | 153 | 156 | -3 |
| 1987-05-12 | @ MON | 32 | W 5-2 | 16-16 | 5 | 9,522 | Zane Smith | Ubaldo Heredia | Zane Smith | Ubaldo Heredia | Jeff Dedmon | 158 | 158 | 0 |
| 1987-05-13 | @ PHI | 33 | W 10-5 | 17-16 | 5 | 16,142 | David Palmer | Bruce Ruffin | David Palmer | Bruce Ruffin | Jim Acker | 168 | 163 | 5 |
| 1987-05-14 | @ PHI | 34 | L 4-5 | 17-17 | 5 | 17,705 | Rick Mahler | Kevin Gross | Kevin Gross | Rick Mahler | Steve Bedrosian | 172 | 168 | 4 |
| 1987-05-15 | @ PIT | 35 | W 9-3 | 18-17 | 5 | 18,137 | Charlie Puleo | Dorn Taylor | Paul Assenmacher | Hipolito Pena | | 181 | 171 | 10 |
| 1987-05-16 | @ PIT | 36 | W 10-8 | 19-17 | 4 | 16,939 | Zane Smith | Bob Walk | Jeff Dedmon | John Smiley | Gene Garber | 191 | 179 | 12 |
| 1987-05-17 | @ PIT | 37 | L 5-6 | 19-18 | 4 | 26,469 | David Palmer | Rick Reuschel | Don Robinson | Ed Olwine | | 196 | 185 | 11 |
| 1987-05-19 | vs SLN | 38 | W 6-5 | 20-18 | 3 | 11,886 | Rick Mahler | Joe Magrane | Gene Garber | Todd Worrell | | 202 | 190 | 12 |
| 1987-05-20 | vs SLN | 39 | L 4-5 | 20-19 | 3 | 8,050 | Charlie Puleo | Danny Cox | Ricky Horton | Gene Garber | Todd Worrell | 206 | 195 | 11 |
| 1987-05-21 | vs SLN | 40 | L 2-7 | 20-20 | 4 | 9,579 | Zane Smith | Bob Forsch | Bob Forsch | Zane Smith | | 208 | 202 | 6 |
| 1987-05-22 | @ CHN | 41 | W 9-5 | 21-20 | 3 | 28,667 | David Palmer | Scott Sanderson | David Palmer | Scott Sanderson | Jim Acker | 217 | 207 | 10 |
| 1987-05-23 | @ CHN | 42 | L 6-7 | 21-21 | 3 | 33,225 | Rick Mahler | Ed Lynch | Jamie Moyer | Jim Acker | | 223 | 214 | 9 |
| 1987-05-24 | @ CHN | 43 | L 2-3 | 21-22 | 3 | 37,259 | Charlie Puleo | Rick Sutcliffe | Dickie Noles | Jeff Dedmon | | 225 | 217 | 8 |
| 1987-05-25 | @ SLN | 44 | W 14-5 | 22-22 | 3 | 34,413 | Zane Smith | Danny Cox | Zane Smith | Danny Cox | | 239 | 222 | 17 |
| 1987-05-26 | @ SLN | 45 | W 5-4 | 23-22 | 3 | 27,523 | Doyle Alexander | Bob Forsch | Doyle Alexander | Bill Dawley | Jim Acker | 244 | 226 | 18 |
| 1987-05-28 | @ SLN | 46 | L 5-11 | 23-23 | 4 | 33,973 | Rick Mahler | Tim Conroy | Bill Dawley | Rick Mahler | | 249 | 237 | 12 |
| 1987-05-29 | vs CHN | 47 | W 6-5 | 24-23 | 3 | 21,982 | David Palmer | Rick Sutcliffe | Gene Garber | Ed Lynch | | 255 | 242 | 13 |
| 1987-05-30 | vs CHN | 48 | L 6-11 | 24-24 | 3 | 35,394 | Zane Smith | Greg Maddux | Greg Maddux | Zane Smith | Dickie Noles | 261 | 253 | 8 |
| 1987-05-31 | vs CHN | 49 | W 2-1 | 25-24 | 3 | 24,353 | Doyle Alexander | Scott Sanderson | Gene Garber | Ed Lynch | | 263 | 254 | 9 |
| 1987-06-02 | vs PIT | 50 | L 1-4 | 25-25 | 3 | 8,890 | Rick Mahler | Rick Reuschel | Rick Reuschel | Rick Mahler | | 264 | 258 | 6 |
| 1987-06-03 | vs PIT | 51 | L 1-4 | 25-26 | 3 | 5,368 | David Palmer | Bob Kipper | Bob Kipper | David Palmer | | 265 | 262 | 3 |
| 1987-06-04 | vs PIT | 52 | W 8-3 | 26-26 | 3 | 6,460 | Zane Smith | Brian Fisher | Zane Smith | Brian Fisher | Jeff Dedmon | 273 | 265 | 8 |
| 1987-06-05 | vs SDN | 53 | L 3-10 | 26-27 | 4 | 14,278 | Doyle Alexander | Eric Show | Eric Show | Doyle Alexander | | 276 | 275 | 1 |
| 1987-06-06 | vs SDN | 54 | L 3-5 | 26-28 | 4 | 20,557 | Larry McWilliams | Ed Whitson | Ed Whitson | Larry McWilliams | Lance McCullers | 279 | 280 | -1 |
| 1987-06-07 | vs SDN | 55 | W 13-12 | 27-28 | 4 | 15,789 | Rick Mahler | Jimmy Jones | Gene Garber | Greg Booker | | 292 | 292 | 0 |
| 1987-06-08 | vs LAN | 56 | L 3-6 | 27-29 | 4 | 15,558 | David Palmer | Orel Hershiser | Orel Hershiser | David Palmer | Brian Holton | 295 | 298 | -3 |
| 1987-06-09 | vs LAN | 57 | L 3-5 | 27-30 | 5 | 17,625 | Zane Smith | Tim Leary | Tim Leary | Zane Smith | Alejandro Pena | 298 | 303 | -5 |
| 1987-06-10 | vs LAN | 58 | W 7-1 | 28-30 | 4 | 15,699 | Doyle Alexander | Rick Honeycutt | Doyle Alexander | Rick Honeycutt | | 305 | 304 | 1 |
| 1987-06-11 | @ CIN | 59 | W 6-4 | 29-30 | 4 | 24,446 | Larry McWilliams | Ted Power | Charlie Puleo | Rob Murphy | Gene Garber | 311 | 308 | 3 |
| 1987-06-12 | @ CIN | 60 | W 4-3 | 30-30 | 4 | 27,244 | Rick Mahler | Jerry Reuss | Rick Mahler | Jerry Reuss | Jim Acker | 315 | 311 | 4 |
| 1987-06-13 | @ CIN | 61 | L 2-5 | 30-31 | 4 | 36,525 | David Palmer | Guy Hoffman | Guy Hoffman | David Palmer | | 317 | 316 | 1 |
| 1987-06-14 | @ CIN | 62 | L 3-4 | 30-32 | 4 | 28,898 | Zane Smith | Pat Pacillo | Rob Murphy | Gene Garber | John Franco | 320 | 320 | 0 |
| 1987-06-16 | vs SFN | 63 | W 7-2 | 31-32 | 4 | 9,218 | Doyle Alexander | Kelly Downs | Doyle Alexander | Kelly Downs | | 327 | 322 | 5 |
| 1987-06-17 | vs SFN | 64 | W 6-1 | 32-32 | 4 | 9,913 | Rick Mahler | Mike LaCoss | Rick Mahler | Jeff Robinson | | 333 | 323 | 10 |
| 1987-06-18 | vs CIN | 65 | L 4-8 | 32-33 | 4 | 16,988 | David Palmer | Guy Hoffman | Guy Hoffman | David Palmer | John Franco | 337 | 331 | 6 |
| 1987-06-19 | vs CIN | 66 | W 16-5 | 33-33 | 4 | 25,970 | Zane Smith | Pat Pacillo | Zane Smith | Pat Pacillo | Jeff Dedmon | 353 | 336 | 17 |
| 1987-06-20 | vs CIN | 67 | W 8-6 | 34-33 | 3 | 35,313 | Doyle Alexander | Bill Gullickson | Doyle Alexander | Bill Gullickson | Gene Garber | 361 | 342 | 19 |
| 1987-06-21 | vs CIN | 68 | L 5-6 | 34-34 | 4 | 28,176 | Rick Mahler | Ted Power | Bill Landrum | Gene Garber | | 366 | 348 | 18 |
| 1987-06-23 | @ LAN | 69 | L 2-3 | 34-35 | 4 | 31,019 | Charlie Puleo | Fernando Valenzuela | Fernando Valenzuela | Charlie Puleo | | 368 | 351 | 17 |
| 1987-06-24 | @ LAN | 70 | L 4-5 | 34-36 | 4 | 27,906 | Zane Smith | Bob Welch | Matt Young | Gene Garber | | 372 | 356 | 16 |
| 1987-06-25 | @ LAN | 71 | L 1-2 | 34-37 | 4 | 28,425 | Doyle Alexander | Orel Hershiser | Orel Hershiser | Doyle Alexander | | 373 | 358 | 15 |
| 1987-06-26 | @ SDN | 72 | L 1-5 | 34-38 | 4 | 13,266 | Rick Mahler | Eric Show | Eric Show | Rick Mahler | Rich Gossage | 374 | 363 | 11 |
| 1987-06-27 | @ SDN | 73 | L 4-8 | 34-39 | 4 | 26,276 | Randy O'Neal | Andy Hawkins | Lance McCullers | Jeff Dedmon | | 378 | 371 | 7 |
| 1987-06-28 | @ SDN | 74 | W 5-2 | 35-39 | 4 | 16,724 | Charlie Puleo | Ed Whitson | Charlie Puleo | Ed Whitson | Gene Garber | 383 | 373 | 10 |
| 1987-06-29 | @ SFN | 75 | W 1-0 | 36-39 | 4 | 5,921 | Zane Smith | Mark Grant | Zane Smith | Mark Grant | | 384 | 373 | 11 |
| 1987-06-30 | @ SFN | 76 | L 2-5 | 36-40 | 4 | 8,246 | Doyle Alexander | Mike Krukow | Jeff Robinson | Doyle Alexander | Scott Garrelts | 386 | 378 | 8 |
| 1987-07-01 | @ SFN | 77 | W 8-3 | 37-40 | 4 | 11,814 | Rick Mahler | Mike LaCoss | Rick Mahler | Mike LaCoss | | 394 | 381 | 13 |
| 1987-07-03 | vs SLN | 78 | L 1-9 | 37-41 | 4 | 45,679 | Charlie Puleo | Bob Forsch | Bob Forsch | Charlie Puleo | | 395 | 390 | 5 |
| 1987-07-04 | vs SLN | 79 | L 0-3 | 37-42 | 4 | 36,050 | Zane Smith | Danny Cox | Danny Cox | Zane Smith | Todd Worrell | 395 | 393 | 2 |
| 1987-07-05 | vs SLN | 80 | L 1-4 | 37-43 | 4 | 29,359 | Doyle Alexander | Greg Mathews | Greg Mathews | Doyle Alexander | Todd Worrell | 396 | 397 | -1 |
| 1987-07-07 | vs NYN | 81 | L 2-6 | 37-45 | 4 | 0 | Rick Mahler | Terry Leach | Terry Leach | Rick Mahler | | 398 | 403 | -5 |
| 1987-07-07 | vs NYN | 82 | L 1-5 | 37-45 | 4 | 20,382 | Randy O'Neal | Ron Darling | Ron Darling | Jeff Dedmon | Randy Myers | 399 | 408 | -9 |
| 1987-07-08 | vs NYN | 83 | W 5-3 | 38-45 | 4 | 16,070 | Charlie Puleo | Sid Fernandez | Charlie Puleo | Sid Fernandez | | 404 | 411 | -7 |
| 1987-07-09 | vs PHI | 84 | W 11-6 | 39-45 | 4 | 10,671 | Zane Smith | Kevin Gross | Jeff Dedmon | Tom Hume | | 415 | 417 | -2 |
| 1987-07-10 | vs PHI | 85 | L 2-5 | 39-46 | 4 | 12,068 | Doyle Alexander | Shane Rawley | Shane Rawley | Doyle Alexander | Steve Bedrosian | 417 | 422 | -5 |
| 1987-07-11 | vs PHI | 86 | W 5-4 | 40-46 | 4 | 30,503 | Rick Mahler | Don Carman | Rick Mahler | Don Carman | Jim Acker | 422 | 426 | -4 |
| 1987-07-12 | vs PHI | 87 | W 9-3 | 41-46 | 4 | 16,579 | Randy O'Neal | Bruce Ruffin | Randy O'Neal | Bruce Ruffin | Paul Assenmacher | 431 | 429 | 2 |
| 1987-07-16 | @ MON | 88 | L 0-2 | 41-47 | 4 | 23,410 | Doyle Alexander | Floyd Youmans | Floyd Youmans | Doyle Alexander | | 431 | 431 | 0 |
| 1987-07-17 | @ MON | 89 | L 4-5 | 41-48 | 4 | 21,576 | Zane Smith | Bob Sebra | Tim Burke | Jim Acker | Bob McClure | 435 | 436 | -1 |
| 1987-07-18 | @ MON | 90 | L 2-3 | 41-49 | 4 | 23,547 | Charlie Puleo | Bryn Smith | Jeff Parrett | Gene Garber | | 437 | 439 | -2 |
| 1987-07-19 | @ MON | 91 | L 1-2 | 41-50 | 4 | 38,341 | Rick Mahler | Neal Heaton | Andy McGaffigan | Jim Acker | | 438 | 441 | -3 |
| 1987-07-20 | @ NYN | 92 | L 2-9 | 41-51 | 4 | 30,317 | Randy O'Neal | Don Schulze | Don Schulze | Randy O'Neal | | 440 | 450 | -10 |
| 1987-07-21 | @ NYN | 93 | W 8-3 | 42-51 | 4 | 37,906 | Doyle Alexander | Dwight Gooden | Doyle Alexander | Dwight Gooden | | 448 | 453 | -5 |
| 1987-07-22 | @ NYN | 94 | L 3-4 | 42-52 | 4 | 31,048 | Zane Smith | Ron Darling | Ron Darling | Zane Smith | Roger McDowell | 451 | 457 | -6 |
| 1987-07-23 | @ PHI | 95 | L 1-5 | 42-53 | 4 | 29,163 | Charlie Puleo | Don Carman | Don Carman | Charlie Puleo | | 452 | 462 | -10 |
| 1987-07-24 | @ PHI | 96 | L 5-11 | 42-54 | 4 | 26,307 | Rick Mahler | Bruce Ruffin | Bruce Ruffin | Rick Mahler | | 457 | 473 | -16 |
| 1987-07-25 | @ PHI | 97 | W 2-1 | 43-54 | 4 | 32,077 | David Palmer | Tom Hume | David Palmer | Tom Hume | Gene Garber | 459 | 474 | -15 |
| 1987-07-26 | @ PHI | 98 | L 3-7 | 43-55 | 4 | 47,022 | Doyle Alexander | Kevin Gross | Kent Tekulve | Doyle Alexander | | 462 | 481 | -19 |
| 1987-07-28 | vs HOU | 99 | W 6-1 | 44-55 | 5 | 14,941 | Zane Smith | Mike Scott | Zane Smith | Mike Scott | | 468 | 482 | -14 |
| 1987-07-29 | vs HOU | 100 | W 5-3 | 45-55 | 4 | 13,161 | Charlie Puleo | Nolan Ryan | Charlie Puleo | Nolan Ryan | Gene Garber | 473 | 485 | -12 |
| 1987-07-30 | vs HOU | 101 | L 5-8 | 45-56 | 4 | 13,490 | Rick Mahler | Bob Knepper | Bob Knepper | Rick Mahler | Dave Smith | 478 | 493 | -15 |
| 1987-07-31 | vs LAN | 102 | L 5-9 | 45-57 | 5 | 33,716 | Doyle Alexander | Fernando Valenzuela | Fernando Valenzuela | Doyle Alexander | | 483 | 502 | -19 |
| 1987-08-01 | vs LAN | 103 | L 2-5 | 45-58 | 5 | 43,804 | David Palmer | Bob Welch | Bob Welch | David Palmer | Matt Young | 485 | 507 | -22 |
| 1987-08-02 | vs LAN | 104 | W 10-5 | 46-58 | 5 | 24,732 | Zane Smith | Ken Howell | Zane Smith | Ken Howell | | 495 | 512 | -17 |
| 1987-08-04 | vs SDN | 105 | W 12-7 | 47-58 | 5 | 7,185 | Charlie Puleo | Eric Show | Charlie Puleo | Eric Show | | 507 | 519 | -12 |
| 1987-08-05 | vs SDN | 106 | L 3-7 | 47-59 | 5 | 10,943 | Doyle Alexander | Jimmy Jones | Jimmy Jones | Doyle Alexander | Rich Gossage | 510 | 526 | -16 |
| 1987-08-06 | vs SDN | 107 | L 4-7 | 47-60 | 5 | 7,671 | Rick Mahler | Ed Whitson | Lance McCullers | Gene Garber | Rich Gossage | 514 | 533 | -19 |
| 1987-08-07 | @ LAN | 108 | W 4-3 | 48-60 | 4 | 34,755 | Zane Smith | Bob Welch | Zane Smith | Bob Welch | | 518 | 536 | -18 |
| 1987-08-08 | @ LAN | 109 | W 9-7 | 49-60 | 4 | 27,141 | David Palmer | Orel Hershiser | David Palmer | Orel Hershiser | | 527 | 543 | -16 |
| 1987-08-09 | @ LAN | 110 | L 2-5 | 49-61 | 4 | 34,622 | Charlie Puleo | Shawn Hillegas | Shawn Hillegas | Charlie Puleo | Tim Crews | 529 | 548 | -19 |
| 1987-08-10 | @ SDN | 111 | L 0-2 | 49-62 | 4 | 21,128 | Doyle Alexander | Jimmy Jones | Jimmy Jones | Doyle Alexander | | 529 | 550 | -21 |
| 1987-08-11 | @ SDN | 112 | L 6-7 | 49-63 | 5 | 12,512 | Rick Mahler | Ed Whitson | Mark Davis | Gene Garber | | 535 | 557 | -22 |
| 1987-08-12 | @ SDN | 113 | W 2-1 | 50-63 | 5 | 14,400 | Zane Smith | Eric Nolte | Zane Smith | Eric Nolte | | 537 | 558 | -21 |
| 1987-08-13 | @ SDN | 114 | L 3-5 | 50-64 | 5 | 14,105 | David Palmer | Mark Grant | Mark Grant | David Palmer | Lance McCullers | 540 | 563 | -23 |
| 1987-08-14 | @ HOU | 115 | L 4-8 | 50-65 | 5 | 33,028 | Charlie Puleo | Bob Knepper | Bob Knepper | Charlie Puleo | | 544 | 571 | -27 |
| 1987-08-15 | @ HOU | 116 | L 0-8 | 50-66 | 5 | 34,924 | Rick Mahler | Danny Darwin | Danny Darwin | Rick Mahler | | 544 | 579 | -35 |
| 1987-08-16 | @ HOU | 117 | L 2-6 | 50-67 | 5 | 32,923 | Zane Smith | Jim Deshaies | Jim Deshaies | Zane Smith | | 546 | 585 | -39 |
| 1987-08-17 | @ HOU | 118 | L 2-11 | 50-68 | 5 | 18,810 | Tom Glavine | Mike Scott | Mike Scott | Tom Glavine | | 548 | 596 | -48 |
| 1987-08-18 | vs CHN | 119 | W 9-5 | 51-68 | 5 | 17,469 | David Palmer | Les Lancaster | Rick Mahler | Ed Lynch | Jim Acker | 557 | 601 | -44 |
| 1987-08-19 | vs CHN | 120 | L 1-9 | 51-69 | 5 | 10,523 | Charlie Puleo | Scott Sanderson | Scott Sanderson | Charlie Puleo | | 558 | 610 | -52 |
| 1987-08-20 | vs CHN | 121 | W 13-4 | 52-69 | 5 | 11,647 | Jeff Dedmon | Jamie Moyer | Jim Acker | Jamie Moyer | | 571 | 614 | -43 |
| 1987-08-21 | vs PIT | 122 | W 5-4 | 53-69 | 5 | 15,783 | Zane Smith | Brian Fisher | Zane Smith | John Smiley | Ed Olwine | 576 | 618 | -42 |
| 1987-08-22 | vs PIT | 123 | W 10-3 | 54-69 | 4 | 22,173 | Tom Glavine | Bob Walk | Tom Glavine | Bob Walk | | 586 | 621 | -35 |
| 1987-08-23 | vs PIT | 124 | W 6-2 | 55-69 | 4 | 10,699 | David Palmer | Mike Bielecki | David Palmer | Mike Bielecki | | 592 | 623 | -31 |
| 1987-08-27 | @ CHN | 125 | W 5-2 | 56-70 | 4 | 0 | Zane Smith | Jamie Moyer | Zane Smith | Jamie Moyer | | 597 | 625 | -28 |
| 1987-08-27 | @ CHN | 126 | L 6-8 | 56-70 | 4 | 19,006 | Jeff Dedmon | Les Lancaster | Les Lancaster | Rick Mahler | Frank DiPino | 603 | 633 | -30 |
| 1987-08-28 | @ SLN | 127 | L 3-4 | 56-71 | 4 | 43,524 | Tom Glavine | Danny Cox | Todd Worrell | Gene Garber | | 606 | 637 | -31 |
| 1987-08-29 | @ SLN | 128 | L 2-4 | 56-72 | 4 | 39,208 | Charlie Puleo | Joe Magrane | Joe Magrane | Charlie Puleo | Todd Worrell | 608 | 641 | -33 |
| 1987-08-30 | @ SLN | 129 | L 3-4 | 56-73 | 4 | 39,370 | David Palmer | Greg Mathews | Bill Dawley | Jim Acker | | 611 | 645 | -34 |
| 1987-08-31 | @ PIT | 130 | L 3-7 | 56-74 | 4 | 4,930 | Jeff Dedmon | Mike Dunne | Mike Dunne | Jeff Dedmon | | 614 | 652 | -38 |
| 1987-09-01 | @ PIT | 131 | W 4-0 | 57-74 | 4 | 7,498 | Zane Smith | Brian Fisher | Zane Smith | Brian Fisher | | 618 | 652 | -34 |
| 1987-09-02 | @ PIT | 132 | L 0-2 | 57-75 | 4 | 6,259 | Tom Glavine | Bob Walk | Bob Walk | Tom Glavine | Jim Gott | 618 | 654 | -36 |
| 1987-09-04 | vs MON | 133 | W 7-4 | 58-75 | 4 | 4,886 | David Palmer | Neal Heaton | Rick Mahler | Neal Heaton | | 625 | 658 | -33 |
| 1987-09-05 | vs MON | 134 | L 1-4 | 58-76 | 4 | 11,805 | Kevin Coffman | Dennis Martinez | Dennis Martinez | Kevin Coffman | Tim Burke | 626 | 662 | -36 |
| 1987-09-06 | vs MON | 135 | L 2-5 | 58-77 | 4 | 8,617 | Zane Smith | Floyd Youmans | Floyd Youmans | Zane Smith | Joe Hesketh | 628 | 667 | -39 |
| 1987-09-07 | vs SDN | 136 | L 4-11 | 58-78 | 4 | 5,295 | Tom Glavine | Jimmy Jones | Jimmy Jones | Tom Glavine | | 632 | 678 | -46 |
| 1987-09-08 | vs SDN | 137 | W 4-2 | 59-78 | 4 | 2,701 | Pete Smith | Ed Whitson | Pete Smith | Ed Whitson | Jim Acker | 636 | 680 | -44 |
| 1987-09-09 | vs SDN | 138 | W 3-2 | 60-78 | 4 | 2,501 | David Palmer | Eric Nolte | David Palmer | Eric Nolte | Jim Acker | 639 | 682 | -43 |
| 1987-09-11 | vs LAN | 139 | L 2-5 | 60-79 | 4 | 11,252 | Kevin Coffman | Fernando Valenzuela | Fernando Valenzuela | Kevin Coffman | | 641 | 687 | -46 |
| 1987-09-12 | vs LAN | 140 | W 10-9 | 61-79 | 4 | 14,090 | Zane Smith | Bob Welch | Jim Acker | Alejandro Pena | | 651 | 696 | -45 |
| 1987-09-13 | vs LAN | 141 | L 2-6 | 61-80 | 4 | 8,870 | Pete Smith | Orel Hershiser | Orel Hershiser | Pete Smith | Brad Havens | 653 | 702 | -49 |
| 1987-09-14 | vs CIN | 142 | W 3-2 | 62-80 | 4 | 4,848 | Tom Glavine | Guy Hoffman | Tom Glavine | Guy Hoffman | Jim Acker | 656 | 704 | -48 |
| 1987-09-15 | vs CIN | 143 | L 6-21 | 62-81 | 4 | 4,708 | David Palmer | Ron Robinson | Ron Robinson | David Palmer | | 662 | 725 | -63 |
| 1987-09-16 | @ SDN | 144 | L 0-3 | 62-82 | 4 | 7,892 | Kevin Coffman | Mark Grant | Mark Grant | Kevin Coffman | | 662 | 728 | -66 |
| 1987-09-17 | @ SDN | 145 | L 1-7 | 62-83 | 4 | 8,194 | Zane Smith | Eric Show | Eric Show | Zane Smith | | 663 | 735 | -72 |
| 1987-09-18 | @ LAN | 146 | L 4-7 | 62-84 | 5 | 24,513 | Pete Smith | Orel Hershiser | Orel Hershiser | Pete Smith | | 667 | 742 | -75 |
| 1987-09-19 | @ LAN | 147 | W 10-7 | 63-84 | 4 | 27,927 | Tom Glavine | Shawn Hillegas | Joe Boever | Matt Young | Jim Acker | 677 | 749 | -72 |
| 1987-09-20 | @ LAN | 148 | L 3-5 | 63-85 | 5 | 30,718 | Charlie Puleo | Tim Belcher | Tim Belcher | Charlie Puleo | Alejandro Pena | 680 | 754 | -74 |
| 1987-09-22 | vs HOU | 149 | W 6-2 | 64-85 | 5 | 4,056 | Kevin Coffman | Bob Knepper | Kevin Coffman | Bob Knepper | Chuck Cary | 686 | 756 | -70 |
| 1987-09-23 | vs HOU | 150 | W 5-4 | 65-85 | 5 | 2,977 | Zane Smith | Jim Deshaies | Jim Acker | Dave Smith | | 691 | 760 | -69 |
| 1987-09-24 | vs HOU | 151 | W 8-7 | 66-85 | 4 | 3,191 | Pete Smith | Nolan Ryan | Jim Acker | Jeff Heathcock | | 699 | 767 | -68 |
| 1987-09-25 | vs SFN | 152 | L 2-9 | 66-86 | 5 | 6,520 | Tom Glavine | Mike Krukow | Mike Krukow | Tom Glavine | | 701 | 776 | -75 |
| 1987-09-26 | vs SFN | 153 | W 10-5 | 67-86 | 5 | 15,837 | David Palmer | Mike LaCoss | Charlie Puleo | Rick Reuschel | Paul Assenmacher | 711 | 781 | -70 |
| 1987-09-27 | vs SFN | 154 | L 6-15 | 67-87 | 5 | 26,019 | Phil Niekro | Atlee Hammaker | Joe Price | Chuck Cary | | 717 | 796 | -79 |
| 1987-09-28 | @ CIN | 155 | L 5-6 | 67-88 | 5 | 11,982 | Zane Smith | Ted Power | Jeff Montgomery | Zane Smith | John Franco | 722 | 802 | -80 |
| 1987-09-29 | @ CIN | 156 | L 4-5 | 67-89 | 5 | 8,725 | Pete Smith | Guy Hoffman | Pat Perry | Jim Acker | | 726 | 807 | -81 |
| 1987-09-30 | @ HOU | 157 | W 3-1 | 68-89 | 5 | 19,788 | Tom Glavine | Mike Scott | Chuck Cary | Dave Smith | Jim Acker | 729 | 808 | -79 |
| 1987-10-01 | @ HOU | 158 | L 5-6 | 68-90 | 5 | 7,885 | David Palmer | Danny Darwin | Larry Andersen | Jim Acker | | 734 | 814 | -80 |
| 1987-10-02 | @ SFN | 159 | W 6-4 | 69-90 | 5 | 30,735 | Kevin Coffman | Dave Dravecky | Kevin Coffman | Dave Dravecky | Jim Acker | 740 | 818 | -78 |
| 1987-10-03 | @ SFN | 160 | L 3-6 | 69-91 | 5 | 25,061 | Marty Clary | Kelly Downs | Kelly Downs | Marty Clary | | 743 | 824 | -81 |
| 1987-10-04 | @ SFN | 161 | L 4-5 | 69-92 | 5 | 51,216 | Pete Smith | Atlee Hammaker | Randy Bockus | Jim Acker | | 747 | 829 | -82 |