| 1984-04-02 | @ CIN | 1 | L 1-8 | 0-1 | 3 | 46,000 | Mike Torrez | Mario Soto | Mario Soto | Mike Torrez | | 1 | 8 | -7 |
| 1984-04-04 | @ CIN | 2 | W 2-0 | 1-1 | 4 | 3,921 | Ron Darling | Bruce Berenyi | Ron Darling | Bruce Berenyi | Doug Sisk | 3 | 8 | -5 |
| 1984-04-06 | @ HOU | 3 | W 8-1 | 2-1 | 3 | 13,189 | Walt Terrell | Mike Scott | Walt Terrell | Mike Scott | | 11 | 9 | 2 |
| 1984-04-07 | @ HOU | 4 | W 3-2 | 3-1 | 2 | 18,925 | Dwight Gooden | Bob Knepper | Dwight Gooden | Bob Knepper | Jesse Orosco | 14 | 11 | 3 |
| 1984-04-08 | @ HOU | 5 | W 3-1 | 4-1 | 1 | 10,625 | Mike Torrez | Joe Niekro | Tim Leary | Joe Niekro | Doug Sisk | 17 | 12 | 5 |
| 1984-04-10 | @ ATL | 6 | W 4-2 | 5-1 | 1 | 6,660 | Ron Darling | Craig McMurtry | Craig Swan | Craig McMurtry | Jesse Orosco | 21 | 14 | 7 |
| 1984-04-11 | @ ATL | 7 | W 6-1 | 6-1 | 1 | 8,569 | Walt Terrell | Ken Dayley | Walt Terrell | Ken Dayley | | 27 | 15 | 12 |
| 1984-04-13 | @ CHN | 8 | L 2-11 | 6-2 | 1 | 33,436 | Dwight Gooden | Steve Trout | Steve Trout | Dwight Gooden | | 29 | 26 | 3 |
| 1984-04-14 | @ CHN | 9 | L 2-5 | 6-3 | 1 | 15,789 | Tim Leary | Dick Ruthven | Dick Ruthven | Tim Leary | Lee Smith | 31 | 31 | 0 |
| 1984-04-17 | vs MON | 10 | L 0-10 | 6-4 | 2 | 46,636 | Ron Darling | Bryn Smith | Bryn Smith | Ron Darling | | 31 | 41 | -10 |
| 1984-04-18 | vs MON | 11 | W 5-4 | 7-4 | 1 | 11,147 | Walt Terrell | Charlie Lea | Ed Lynch | Jeff Reardon | | 36 | 45 | -9 |
| 1984-04-19 | vs MON | 12 | W 7-6 | 8-4 | 1 | 10,705 | Dwight Gooden | Bill Gullickson | Jesse Orosco | Dan Schatzeder | | 43 | 51 | -8 |
| 1984-04-20 | @ PHI | 13 | W 3-1 | 9-4 | 1 | 24,096 | Tim Leary | Steve Carlton | Doug Sisk | Al Holland | Jesse Orosco | 46 | 52 | -6 |
| 1984-04-21 | @ PHI | 14 | L 2-12 | 9-5 | 1 | 27,114 | Mike Torrez | John Denny | John Denny | Mike Torrez | | 48 | 64 | -16 |
| 1984-04-22 | @ PHI | 15 | L 5-12 | 9-6 | 2 | 20,348 | Ron Darling | Charles Hudson | Charles Hudson | Ron Darling | | 53 | 76 | -23 |
| 1984-04-23 | @ MON | 16 | L 4-6 | 9-7 | 4 | 19,547 | Walt Terrell | Charlie Lea | Charlie Lea | Walt Terrell | Gary Lucas | 57 | 82 | -25 |
| 1984-04-25 | @ MON | 17 | W 2-1 | 10-7 | 3 | 5,370 | Dwight Gooden | David Palmer | Jesse Orosco | Greg Harris | | 59 | 83 | -24 |
| 1984-04-27 | vs PHI | 18 | L 3-8 | 10-8 | 3 | 18,171 | Tim Leary | John Denny | Bill Campbell | Doug Sisk | | 62 | 91 | -29 |
| 1984-04-28 | vs PHI | 19 | W 4-3 | 11-8 | 3 | 14,292 | Ron Darling | Charles Hudson | Ed Lynch | Al Holland | | 66 | 94 | -28 |
| 1984-04-29 | vs PHI | 20 | W 6-2 | 12-8 | 2 | 28,562 | Walt Terrell | Jerry Koosman | Walt Terrell | Jerry Koosman | Jesse Orosco | 72 | 96 | -24 |
| 1984-05-01 | vs CHN | 21 | W 8-1 | 13-8 | 1 | 13,906 | Dwight Gooden | Dick Ruthven | Dwight Gooden | Dick Ruthven | | 80 | 97 | -17 |
| 1984-05-02 | vs CHN | 22 | W 4-3 | 14-8 | 1 | 11,059 | Tim Leary | Chuck Rainey | Ed Lynch | Lee Smith | | 84 | 100 | -16 |
| 1984-05-04 | vs HOU | 23 | W 2-0 | 15-8 | 1 | 9,717 | Ron Darling | Bob Knepper | Ron Darling | Bob Knepper | Jesse Orosco | 86 | 100 | -14 |
| 1984-05-05 | vs HOU | 24 | L 6-10 | 15-9 | 1 | 16,895 | Walt Terrell | Mike Scott | Bill Dawley | Jesse Orosco | | 92 | 110 | -18 |
| 1984-05-06 | vs HOU | 25 | L 1-10 | 15-10 | 1 | 39,294 | Dwight Gooden | Nolan Ryan | Nolan Ryan | Dwight Gooden | | 93 | 120 | -27 |
| 1984-05-07 | vs CIN | 26 | L 2-11 | 15-11 | 2 | 6,942 | Tim Leary | Mario Soto | Mario Soto | Tim Leary | | 95 | 131 | -36 |
| 1984-05-09 | vs ATL | 27 | W 3-1 | 16-11 | 2 | 8,141 | Ron Darling | Rick Mahler | Ron Darling | Rick Mahler | Jesse Orosco | 98 | 132 | -34 |
| 1984-05-10 | vs ATL | 28 | L 3-7 | 16-12 | 2 | 6,900 | Walt Terrell | Len Barker | Len Barker | Walt Terrell | | 101 | 139 | -38 |
| 1984-05-11 | @ LAN | 29 | W 2-0 | 17-12 | 1 | 50,314 | Dwight Gooden | Fernando Valenzuela | Dwight Gooden | Fernando Valenzuela | | 103 | 139 | -36 |
| 1984-05-12 | @ LAN | 30 | W 4-3 | 18-12 | 1 | 44,865 | Ed Lynch | Alejandro Pena | Ed Lynch | Alejandro Pena | Doug Sisk | 107 | 142 | -35 |
| 1984-05-13 | @ LAN | 31 | L 3-5 | 18-13 | 1 | 44,057 | Mike Torrez | Rick Honeycutt | Rick Honeycutt | Mike Torrez | Tom Niedenfuer | 110 | 147 | -37 |
| 1984-05-15 | @ SFN | 32 | W 7-6 | 19-13 | 1 | 9,727 | Ron Darling | Jeff Robinson | Jesse Orosco | Mark Davis | Doug Sisk | 117 | 153 | -36 |
| 1984-05-16 | @ SFN | 33 | L 3-4 | 19-14 | 2 | 11,528 | Walt Terrell | Bill Laskey | Mark Davis | Walt Terrell | | 120 | 157 | -37 |
| 1984-05-18 | @ SDN | 34 | L 4-5 | 19-15 | 2 | 17,319 | Dwight Gooden | Ed Whitson | Ed Whitson | Dwight Gooden | Rich Gossage | 124 | 162 | -38 |
| 1984-05-19 | @ SDN | 35 | L 3-8 | 19-16 | 3 | 20,017 | Ed Lynch | Mark Thurmond | Mark Thurmond | Ed Lynch | Dave Dravecky | 127 | 170 | -43 |
| 1984-05-20 | @ SDN | 36 | W 4-2 | 20-16 | 3 | 20,263 | Mike Torrez | Tim Lollar | Jesse Orosco | Craig Lefferts | | 131 | 172 | -41 |
| 1984-05-22 | vs SFN | 37 | L 4-5 | 20-17 | 3 | 14,834 | Ron Darling | Mark Davis | Mark Davis | Ron Darling | Gary Lavelle | 135 | 177 | -42 |
| 1984-05-24 | vs SFN | 38 | L 2-3 | 20-18 | 3 | 12,363 | Walt Terrell | Mike Krukow | Mike Krukow | Walt Terrell | | 137 | 180 | -43 |
| 1984-05-25 | vs LAN | 39 | W 2-1 | 21-18 | 3 | 27,340 | Dwight Gooden | Rick Honeycutt | Dwight Gooden | Rick Honeycutt | Jesse Orosco | 139 | 181 | -42 |
| 1984-05-26 | vs LAN | 40 | W 2-1 | 22-18 | 3 | 20,051 | Ed Lynch | Orel Hershiser | Tim Leary | Tom Niedenfuer | Jesse Orosco | 141 | 182 | -41 |
| 1984-05-27 | vs LAN | 41 | L 2-3 | 22-19 | 3 | 26,465 | Mike Torrez | Bob Welch | Bob Welch | Mike Torrez | Burt Hooton | 143 | 185 | -42 |
| 1984-05-28 | vs SDN | 42 | L 4-5 | 22-20 | 3 | 36,204 | Ron Darling | Eric Show | Eric Show | Brent Gaff | Rich Gossage | 147 | 190 | -43 |
| 1984-05-31 | vs SLN | 43 | L 2-5 | 22-21 | 3 | 7,440 | Walt Terrell | Bob Forsch | Bob Forsch | Walt Terrell | Bruce Sutter | 149 | 195 | -46 |
| 1984-06-01 | vs SLN | 44 | L 1-5 | 22-22 | 4 | 20,968 | Dwight Gooden | Joaquin Andujar | Joaquin Andujar | Jesse Orosco | | 150 | 200 | -50 |
| 1984-06-02 | vs SLN | 45 | W 5-2 | 23-22 | 3 | 24,879 | Ed Lynch | Danny Cox | Ed Lynch | Danny Cox | Doug Sisk | 155 | 202 | -47 |
| 1984-06-03 | vs SLN | 46 | L 0-1 | 23-23 | 3 | 13,723 | Mike Torrez | Dave LaPoint | Dave LaPoint | Mike Torrez | | 155 | 203 | -48 |
| 1984-06-04 | @ PIT | 47 | W 4-2 | 24-23 | 3 | 13,306 | Ron Darling | Don Robinson | Ron Darling | Don Robinson | Jesse Orosco | 159 | 205 | -46 |
| 1984-06-05 | @ PIT | 48 | W 3-0 | 25-23 | 3 | 6,539 | Walt Terrell | Jose DeLeon | Walt Terrell | Jose DeLeon | | 162 | 205 | -43 |
| 1984-06-06 | @ PIT | 49 | W 2-1 | 26-23 | 3 | 7,493 | Dwight Gooden | Rick Rhoden | Tom Gorman | Rod Scurry | | 164 | 206 | -42 |
| 1984-06-08 | @ MON | 50 | W 4-1 | 27-23 | 3 | 30,595 | Ed Lynch | Steve Rogers | Ed Lynch | Steve Rogers | Doug Sisk | 168 | 207 | -39 |
| 1984-06-09 | @ MON | 51 | W 5-3 | 29-23 | 3 | 0 | Ron Darling | David Palmer | Ron Darling | David Palmer | Jesse Orosco | 173 | 210 | -37 |
| 1984-06-09 | @ MON | 52 | W 6-5 | 29-23 | 3 | 28,266 | Mike Torrez | Andy McGaffigan | Mike Torrez | Andy McGaffigan | Jesse Orosco | 179 | 215 | -36 |
| 1984-06-10 | @ MON | 53 | L 2-3 | 29-24 | 3 | 32,483 | Walt Terrell | Bryn Smith | Dan Schatzeder | Walt Terrell | Jeff Reardon | 181 | 218 | -37 |
| 1984-06-11 | vs PIT | 54 | W 3-1 | 30-24 | 2 | 19,596 | Dwight Gooden | Rick Rhoden | Dwight Gooden | Rick Rhoden | Jesse Orosco | 184 | 219 | -35 |
| 1984-06-12 | vs PIT | 55 | L 3-6 | 30-25 | 2 | 14,255 | Tim Leary | Larry McWilliams | Larry McWilliams | Tim Leary | Rod Scurry | 187 | 225 | -38 |
| 1984-06-13 | vs PIT | 56 | W 2-0 | 31-25 | 2 | 12,124 | Ed Lynch | Lee Tunnell | Ed Lynch | Lee Tunnell | Doug Sisk | 189 | 225 | -36 |
| 1984-06-14 | @ SLN | 57 | W 6-0 | 32-25 | 2 | 26,286 | Ron Darling | John Stuper | Ron Darling | John Stuper | | 195 | 225 | -30 |
| 1984-06-15 | @ SLN | 58 | W 5-0 | 33-25 | 1 | 35,234 | Walt Terrell | Joaquin Andujar | Walt Terrell | Joaquin Andujar | | 200 | 225 | -25 |
| 1984-06-16 | @ SLN | 59 | W 4-1 | 34-25 | 1 | 39,721 | Dwight Gooden | Danny Cox | Dwight Gooden | Danny Cox | Jesse Orosco | 204 | 226 | -22 |
| 1984-06-17 | @ SLN | 60 | L 3-6 | 34-26 | 2 | 29,729 | Bruce Berenyi | Ricky Horton | Ricky Horton | Bruce Berenyi | Bruce Sutter | 207 | 232 | -25 |
| 1984-06-19 | vs PHI | 61 | L 4-6 | 34-27 | 2 | 28,061 | Ed Lynch | Jerry Koosman | Jerry Koosman | Ed Lynch | | 211 | 238 | -27 |
| 1984-06-20 | vs PHI | 62 | W 7-4 | 35-27 | 2 | 28,082 | Ron Darling | Steve Carlton | Ron Darling | Steve Carlton | Doug Sisk | 218 | 242 | -24 |
| 1984-06-21 | vs PHI | 63 | W 10-7 | 36-27 | 1 | 20,094 | Walt Terrell | Charles Hudson | Jesse Orosco | Bill Campbell | Doug Sisk | 228 | 249 | -21 |
| 1984-06-22 | vs MON | 64 | L 1-2 | 36-28 | 1 | 39,586 | Dwight Gooden | Bill Gullickson | Bill Gullickson | Dwight Gooden | Gary Lucas | 229 | 251 | -22 |
| 1984-06-23 | vs MON | 65 | W 2-0 | 37-28 | 1 | 46,301 | Bruce Berenyi | Charlie Lea | Bruce Berenyi | Charlie Lea | Doug Sisk | 231 | 251 | -20 |
| 1984-06-24 | vs MON | 66 | L 3-5 | 37-29 | 1 | 22,633 | Ed Lynch | Bryn Smith | Bryn Smith | Ed Lynch | Gary Lucas | 234 | 256 | -22 |
| 1984-06-25 | @ PHI | 67 | W 10-5 | 38-29 | 1 | 26,090 | Ron Darling | Charles Hudson | Ron Darling | Charles Hudson | | 244 | 261 | -17 |
| 1984-06-26 | @ PHI | 68 | L 0-3 | 38-30 | 1 | 28,347 | Walt Terrell | Kevin Gross | Kevin Gross | Walt Terrell | Al Holland | 244 | 264 | -20 |
| 1984-06-27 | @ PHI | 69 | L 1-5 | 38-31 | 2 | 35,151 | Dwight Gooden | Marty Bystrom | Marty Bystrom | Dwight Gooden | Larry Andersen | 245 | 269 | -24 |
| 1984-06-28 | vs ATL | 70 | L 3-5 | 38-32 | 3 | 15,077 | Bruce Berenyi | Craig McMurtry | Craig McMurtry | Bruce Berenyi | Jeff Dedmon | 248 | 274 | -26 |
| 1984-06-29 | vs ATL | 71 | L 3-5 | 38-33 | 3 | 21,458 | Ed Lynch | Steve Bedrosian | Steve Bedrosian | Ed Lynch | Donnie Moore | 251 | 279 | -28 |
| 1984-07-01 | vs ATL | 72 | W 2-1 | 40-33 | 2 | 0 | Ron Darling | Rick Mahler | Ron Darling | Rick Mahler | Jesse Orosco | 253 | 280 | -27 |
| 1984-07-01 | vs ATL | 73 | W 3-2 | 40-33 | 2 | 8,949 | Walt Terrell | Rick Camp | Tim Leary | Jeff Dedmon | Doug Sisk | 256 | 282 | -26 |
| 1984-07-02 | vs HOU | 74 | W 4-2 | 41-33 | 1 | 21,923 | Dwight Gooden | Mike Scott | Dwight Gooden | Mike Scott | Jesse Orosco | 260 | 284 | -24 |
| 1984-07-03 | vs HOU | 75 | W 4-3 | 42-33 | 1 | 16,601 | Bruce Berenyi | Nolan Ryan | Bruce Berenyi | Nolan Ryan | Jesse Orosco | 264 | 287 | -23 |
| 1984-07-04 | vs HOU | 76 | L 5-10 | 42-34 | 2 | 51,010 | Ed Lynch | Bob Knepper | Bob Knepper | Ed Lynch | Dave Smith | 269 | 297 | -28 |
| 1984-07-05 | vs CIN | 77 | W 4-3 | 43-34 | 2 | 14,041 | Walt Terrell | Joe Price | Walt Terrell | Joe Price | Doug Sisk | 273 | 300 | -27 |
| 1984-07-06 | vs CIN | 78 | W 1-0 | 45-34 | 2 | 0 | Ron Darling | Jeff Russell | Ron Darling | Jeff Russell | | 274 | 300 | -26 |
| 1984-07-06 | vs CIN | 79 | W 6-5 | 45-34 | 2 | 19,908 | Tim Leary | Tom Hume | Jesse Orosco | Ted Power | | 280 | 305 | -25 |
| 1984-07-07 | vs CIN | 80 | W 14-4 | 46-34 | 1 | 35,004 | Dwight Gooden | Mario Soto | Dwight Gooden | Mario Soto | Ed Lynch | 294 | 309 | -15 |
| 1984-07-08 | vs CIN | 81 | W 7-3 | 47-34 | 1 | 48,916 | Bruce Berenyi | Charlie Puleo | Bruce Berenyi | Charlie Puleo | Jesse Orosco | 301 | 312 | -11 |
| 1984-07-12 | @ ATL | 82 | W 8-6 | 48-34 | 1 | 19,468 | Ron Darling | Rick Mahler | Jesse Orosco | Donnie Moore | Doug Sisk | 309 | 318 | -9 |
| 1984-07-13 | @ ATL | 83 | W 5-4 | 49-34 | 1 | 29,949 | Walt Terrell | Pascual Perez | Walt Terrell | Pascual Perez | Jesse Orosco | 314 | 322 | -8 |
| 1984-07-14 | @ ATL | 84 | W 7-0 | 50-34 | 1 | 41,138 | Bruce Berenyi | Craig McMurtry | Bruce Berenyi | Craig McMurtry | | 321 | 322 | -1 |
| 1984-07-15 | @ ATL | 85 | L 3-8 | 50-35 | 1 | 21,447 | Dwight Gooden | Len Barker | Donnie Moore | Dwight Gooden | Steve Bedrosian | 324 | 330 | -6 |
| 1984-07-16 | @ HOU | 86 | W 13-3 | 51-35 | 1 | 11,079 | Sid Fernandez | Mike Scott | Sid Fernandez | Mike Scott | | 337 | 333 | 4 |
| 1984-07-17 | @ HOU | 87 | L 2-3 | 51-36 | 1 | 12,448 | Ron Darling | Joe Niekro | Frank DiPino | Doug Sisk | | 339 | 336 | 3 |
| 1984-07-18 | @ HOU | 88 | W 3-1 | 52-36 | 1 | 14,384 | Walt Terrell | Nolan Ryan | Walt Terrell | Nolan Ryan | Jesse Orosco | 342 | 337 | 5 |
| 1984-07-19 | @ CIN | 89 | L 6-9 | 52-37 | 1 | 13,257 | Bruce Berenyi | Mario Soto | Mario Soto | Bruce Berenyi | John Franco | 348 | 346 | 2 |
| 1984-07-20 | @ CIN | 90 | W 3-2 | 53-37 | 1 | 17,020 | Dwight Gooden | Jay Tibbs | Jesse Orosco | Brad Lesley | | 351 | 348 | 3 |
| 1984-07-21 | @ CIN | 91 | W 2-1 | 54-37 | 1 | 27,655 | Sid Fernandez | Tom Hume | Sid Fernandez | Tom Hume | Doug Sisk | 353 | 349 | 4 |
| 1984-07-22 | @ CIN | 92 | W 7-6 | 55-37 | 1 | 19,420 | Ron Darling | Joe Price | Tom Gorman | Keefe Cato | Jesse Orosco | 360 | 355 | 5 |
| 1984-07-23 | vs SLN | 93 | W 4-3 | 56-37 | 1 | 27,350 | Walt Terrell | Ricky Horton | Ed Lynch | Neil Allen | | 364 | 358 | 6 |
| 1984-07-24 | vs SLN | 94 | W 9-8 | 57-37 | 1 | 36,749 | Bruce Berenyi | Dave LaPoint | Brent Gaff | Neil Allen | | 373 | 366 | 7 |
| 1984-07-25 | vs SLN | 95 | W 9-3 | 58-37 | 1 | 37,697 | Sid Fernandez | Kurt Kepshire | Sid Fernandez | Kurt Kepshire | Ed Lynch | 382 | 369 | 13 |
| 1984-07-27 | vs CHN | 96 | W 2-1 | 59-37 | 1 | 51,102 | Dwight Gooden | Dick Ruthven | Dwight Gooden | Dick Ruthven | Jesse Orosco | 384 | 370 | 14 |
| 1984-07-28 | vs CHN | 97 | L 4-11 | 59-38 | 1 | 37,518 | Ron Darling | Rick Sutcliffe | Lee Smith | Doug Sisk | | 388 | 381 | 7 |
| 1984-07-29 | vs CHN | 98 | L 0-3 | 59-40 | 1 | 0 | Walt Terrell | Steve Trout | Steve Trout | Walt Terrell | | 388 | 384 | 4 |
| 1984-07-29 | vs CHN | 99 | L 1-5 | 59-40 | 1 | 50,443 | Bruce Berenyi | Scott Sanderson | Scott Sanderson | Bruce Berenyi | | 389 | 389 | 0 |
| 1984-07-30 | @ SLN | 100 | L 1-3 | 59-41 | 1 | 26,052 | Sid Fernandez | Dave LaPoint | Jeff Lahti | Jesse Orosco | | 390 | 392 | -2 |
| 1984-07-31 | @ SLN | 101 | L 3-6 | 59-42 | 1 | 25,546 | Ed Lynch | Kurt Kepshire | Kurt Kepshire | Ed Lynch | Bruce Sutter | 393 | 398 | -5 |
| 1984-08-01 | @ SLN | 102 | L 2-11 | 59-43 | 2 | 38,357 | Dwight Gooden | Joaquin Andujar | Joaquin Andujar | Dwight Gooden | | 395 | 409 | -14 |
| 1984-08-02 | @ PIT | 103 | L 4-6 | 59-44 | 2 | 8,543 | Ron Darling | Jose DeLeon | Don Robinson | Ron Darling | | 399 | 415 | -16 |
| 1984-08-03 | @ PIT | 104 | W 4-1 | 60-44 | 2 | 7,783 | Walt Terrell | John Candelaria | Walt Terrell | John Candelaria | | 403 | 416 | -13 |
| 1984-08-04 | @ PIT | 105 | W 4-3 | 61-44 | 2 | 7,876 | Bruce Berenyi | Rick Rhoden | Tom Gorman | Rod Scurry | Jesse Orosco | 407 | 419 | -12 |
| 1984-08-05 | @ PIT | 106 | W 3-1 | 62-44 | 2 | 10,575 | Sid Fernandez | John Tudor | Wes Gardner | Don Robinson | | 410 | 420 | -10 |
| 1984-08-06 | @ CHN | 107 | L 3-9 | 62-45 | 2 | 31,793 | Dwight Gooden | Dick Ruthven | Dick Ruthven | Dwight Gooden | | 413 | 429 | -16 |
| 1984-08-07 | @ CHN | 108 | L 6-8 | 62-47 | 2 | 0 | Ron Darling | Rick Sutcliffe | Rick Sutcliffe | Ron Darling | George Frazier | 419 | 437 | -18 |
| 1984-08-07 | @ CHN | 109 | L 4-8 | 62-47 | 2 | 39,271 | Ed Lynch | Scott Sanderson | Tim Stoddard | Ed Lynch | Lee Smith | 423 | 445 | -22 |
| 1984-08-08 | @ CHN | 110 | L 6-7 | 62-48 | 2 | 37,292 | Walt Terrell | Steve Trout | Lee Smith | Wes Gardner | Tim Stoddard | 429 | 452 | -23 |
| 1984-08-09 | vs PIT | 111 | L 0-11 | 62-49 | 2 | 27,604 | Bruce Berenyi | Rick Rhoden | Rick Rhoden | Bruce Berenyi | | 429 | 463 | -34 |
| 1984-08-10 | vs PIT | 112 | L 1-4 | 62-50 | 2 | 28,355 | Sid Fernandez | John Tudor | John Tudor | Sid Fernandez | Kent Tekulve | 430 | 467 | -37 |
| 1984-08-11 | vs PIT | 113 | W 3-1 | 63-50 | 2 | 28,326 | Dwight Gooden | Larry McWilliams | Dwight Gooden | Larry McWilliams | Jesse Orosco | 433 | 468 | -35 |
| 1984-08-12 | vs PIT | 114 | W 6-3 | 64-50 | 2 | 36,135 | Ron Darling | Jose DeLeon | Ron Darling | Jose DeLeon | Wes Gardner | 439 | 471 | -32 |
| 1984-08-13 | @ LAN | 115 | L 2-9 | 64-51 | 2 | 35,726 | Walt Terrell | Bob Welch | Bob Welch | Walt Terrell | | 441 | 480 | -39 |
| 1984-08-14 | @ LAN | 116 | W 4-0 | 65-51 | 2 | 35,929 | Bruce Berenyi | Orel Hershiser | Bruce Berenyi | Orel Hershiser | Jesse Orosco | 445 | 480 | -35 |
| 1984-08-15 | @ LAN | 117 | W 3-2 | 66-51 | 2 | 42,099 | Sid Fernandez | Fernando Valenzuela | Sid Fernandez | Fernando Valenzuela | Jesse Orosco | 448 | 482 | -34 |
| 1984-08-17 | @ SFN | 118 | W 2-0 | 67-51 | 2 | 7,241 | Dwight Gooden | Mike Krukow | Dwight Gooden | Mike Krukow | Jesse Orosco | 450 | 482 | -32 |
| 1984-08-18 | @ SFN | 119 | L 5-6 | 67-52 | 2 | 10,099 | Ron Darling | Bill Laskey | Randy Lerch | Brent Gaff | | 455 | 488 | -33 |
| 1984-08-19 | @ SFN | 120 | L 6-7 | 68-53 | 2 | 0 | Walt Terrell | Jeff Robinson | Gary Lavelle | Jesse Orosco | | 461 | 495 | -34 |
| 1984-08-19 | @ SFN | 121 | W 4-2 | 68-53 | 2 | 15,097 | Bruce Berenyi | Mark Davis | Bruce Berenyi | Mark Davis | Jesse Orosco | 465 | 497 | -32 |
| 1984-08-20 | @ SDN | 122 | L 1-3 | 68-54 | 2 | 50,869 | Sid Fernandez | Eric Show | Eric Show | Sid Fernandez | Rich Gossage | 466 | 500 | -34 |
| 1984-08-21 | @ SDN | 123 | L 4-7 | 68-55 | 2 | 20,998 | Ed Lynch | Tim Lollar | Tim Lollar | Ed Lynch | Rich Gossage | 470 | 507 | -37 |
| 1984-08-22 | @ SDN | 124 | W 5-2 | 69-55 | 2 | 25,250 | Dwight Gooden | Andy Hawkins | Dwight Gooden | Andy Hawkins | | 475 | 509 | -34 |
| 1984-08-24 | vs SFN | 125 | L 6-7 | 69-57 | 2 | 0 | Ron Darling | Jeff Robinson | Frank Williams | Jesse Orosco | Greg Minton | 481 | 516 | -35 |
| 1984-08-24 | vs SFN | 126 | L 5-6 | 69-57 | 2 | 31,834 | Walt Terrell | Mark Grant | Frank Williams | Walt Terrell | Greg Minton | 486 | 522 | -36 |
| 1984-08-25 | vs SFN | 127 | L 4-5 | 69-58 | 2 | 23,823 | Bruce Berenyi | Randy Lerch | Randy Lerch | Bruce Berenyi | Gary Lavelle | 490 | 527 | -37 |
| 1984-08-26 | vs SFN | 128 | W 11-6 | 70-58 | 2 | 22,046 | Sid Fernandez | Mike Krukow | Brent Gaff | Mike Krukow | | 501 | 533 | -32 |
| 1984-08-27 | vs LAN | 129 | W 5-1 | 71-58 | 2 | 33,765 | Dwight Gooden | Fernando Valenzuela | Dwight Gooden | Fernando Valenzuela | | 506 | 534 | -28 |
| 1984-08-28 | vs LAN | 130 | W 5-1 | 72-58 | 2 | 25,854 | Walt Terrell | Rick Honeycutt | Walt Terrell | Rick Honeycutt | | 511 | 535 | -24 |
| 1984-08-29 | vs LAN | 131 | W 3-2 | 73-58 | 2 | 26,290 | Ron Darling | Jerry Reuss | Jesse Orosco | Pat Zachry | | 514 | 537 | -23 |
| 1984-08-31 | vs SDN | 132 | L 1-5 | 74-59 | 2 | 0 | Sid Fernandez | Ed Whitson | Ed Whitson | Sid Fernandez | Craig Lefferts | 515 | 542 | -27 |
| 1984-08-31 | vs SDN | 133 | W 4-0 | 74-59 | 2 | 38,323 | Bruce Berenyi | Dave Dravecky | Bruce Berenyi | Dave Dravecky | | 519 | 542 | -23 |
| 1984-09-01 | vs SDN | 134 | W 7-4 | 76-59 | 2 | 0 | Dwight Gooden | Andy Hawkins | Dwight Gooden | Andy Hawkins | Jesse Orosco | 526 | 546 | -20 |
| 1984-09-01 | vs SDN | 135 | W 10-6 | 76-59 | 2 | 35,688 | Calvin Schiraldi | Eric Show | Tom Gorman | Eric Show | Jesse Orosco | 536 | 552 | -16 |
| 1984-09-02 | vs SDN | 136 | W 3-2 | 77-59 | 2 | 36,915 | Walt Terrell | Tim Lollar | Brent Gaff | Rich Gossage | | 539 | 554 | -15 |
| 1984-09-03 | @ SLN | 137 | L 3-7 | 77-60 | 2 | 18,347 | Ron Darling | Joaquin Andujar | Joaquin Andujar | Ron Darling | Bruce Sutter | 542 | 561 | -19 |
| 1984-09-04 | @ SLN | 138 | L 2-12 | 77-61 | 2 | 16,917 | Sid Fernandez | Danny Cox | Danny Cox | Sid Fernandez | | 544 | 573 | -29 |
| 1984-09-05 | @ PIT | 139 | W 4-2 | 78-61 | 2 | 3,569 | Bruce Berenyi | John Candelaria | Bruce Berenyi | Lee Tunnell | Doug Sisk | 548 | 575 | -27 |
| 1984-09-06 | @ PIT | 140 | L 0-2 | 78-62 | 2 | 3,529 | Calvin Schiraldi | Rick Rhoden | Rick Rhoden | Calvin Schiraldi | Rod Scurry | 548 | 577 | -29 |
| 1984-09-07 | vs CHN | 141 | W 10-0 | 79-62 | 2 | 46,301 | Dwight Gooden | Dick Ruthven | Dwight Gooden | Dick Ruthven | | 558 | 577 | -19 |
| 1984-09-08 | vs CHN | 142 | L 0-6 | 79-63 | 2 | 42,810 | Walt Terrell | Rick Sutcliffe | Rick Sutcliffe | Walt Terrell | | 558 | 583 | -25 |
| 1984-09-09 | vs CHN | 143 | W 5-1 | 80-63 | 2 | 34,956 | Ron Darling | Scott Sanderson | Ron Darling | George Frazier | | 563 | 584 | -21 |
| 1984-09-10 | vs SLN | 144 | L 2-3 | 80-64 | 2 | 9,995 | Sid Fernandez | Dave LaPoint | Dave LaPoint | Sid Fernandez | Bruce Sutter | 565 | 587 | -22 |
| 1984-09-11 | vs SLN | 145 | L 5-9 | 80-65 | 2 | 14,968 | Bruce Berenyi | Ricky Horton | Neil Allen | Jesse Orosco | Bruce Sutter | 570 | 596 | -26 |
| 1984-09-12 | vs PIT | 146 | W 2-0 | 81-65 | 2 | 12,876 | Dwight Gooden | John Tudor | Dwight Gooden | John Tudor | | 572 | 596 | -24 |
| 1984-09-13 | vs PIT | 147 | L 4-14 | 81-66 | 2 | 6,076 | Walt Terrell | Larry McWilliams | Larry McWilliams | Walt Terrell | | 576 | 610 | -34 |
| 1984-09-14 | @ CHN | 148 | L 1-7 | 81-67 | 2 | 32,403 | Ron Darling | Rick Sutcliffe | Rick Sutcliffe | Ron Darling | | 577 | 617 | -40 |
| 1984-09-15 | @ CHN | 149 | L 4-5 | 81-68 | 2 | 38,653 | Sid Fernandez | Scott Sanderson | Scott Sanderson | Sid Fernandez | Lee Smith | 581 | 622 | -41 |
| 1984-09-16 | @ CHN | 150 | W 9-3 | 82-68 | 2 | 38,936 | Bruce Berenyi | Steve Trout | Bruce Berenyi | Steve Trout | | 590 | 625 | -35 |
| 1984-09-17 | @ PHI | 151 | L 1-2 | 82-69 | 2 | 20,483 | Dwight Gooden | Shane Rawley | Shane Rawley | Dwight Gooden | | 591 | 627 | -36 |
| 1984-09-18 | @ PHI | 152 | W 8-5 | 83-69 | 2 | 18,765 | Walt Terrell | John Denny | Tom Gorman | Larry Andersen | Jesse Orosco | 599 | 632 | -33 |
| 1984-09-19 | @ PHI | 153 | L 5-13 | 83-70 | 2 | 19,142 | Ron Darling | Steve Carlton | Steve Carlton | Ron Darling | | 604 | 645 | -41 |
| 1984-09-21 | vs MON | 154 | W 6-2 | 84-70 | 2 | 15,458 | Sid Fernandez | Dan Schatzeder | Sid Fernandez | Dan Schatzeder | | 610 | 647 | -37 |
| 1984-09-22 | vs MON | 155 | W 4-2 | 85-70 | 2 | 27,666 | Bruce Berenyi | David Palmer | Tom Gorman | Bob James | Jesse Orosco | 614 | 649 | -35 |
| 1984-09-23 | vs MON | 156 | W 6-1 | 86-70 | 2 | 22,171 | Dwight Gooden | Joe Hesketh | Dwight Gooden | Joe Hesketh | | 620 | 650 | -30 |
| 1984-09-24 | vs PHI | 157 | W 7-5 | 87-70 | 2 | 11,071 | Walt Terrell | John Denny | Jesse Orosco | Larry Andersen | Brent Gaff | 627 | 655 | -28 |
| 1984-09-25 | vs PHI | 158 | W 6-4 | 88-70 | 2 | 13,812 | Ron Darling | Kevin Gross | Ed Lynch | Larry Andersen | | 633 | 659 | -26 |
| 1984-09-26 | vs PHI | 159 | W 7-1 | 89-70 | 2 | 5,251 | Sid Fernandez | Jerry Koosman | Sid Fernandez | Jerry Koosman | | 640 | 660 | -20 |
| 1984-09-28 | @ MON | 160 | L 0-7 | 89-71 | 2 | 12,164 | Calvin Schiraldi | Joe Hesketh | Joe Hesketh | Calvin Schiraldi | | 640 | 667 | -27 |
| 1984-09-29 | @ MON | 161 | W 8-4 | 90-71 | 2 | 18,179 | Walt Terrell | Bryn Smith | Walt Terrell | Bryn Smith | | 648 | 671 | -23 |
| 1984-09-30 | @ MON | 162 | L 4-5 | 90-72 | 2 | 14,183 | Ron Darling | Bill Gullickson | Bill Gullickson | Ron Darling | Jeff Reardon | 652 | 676 | -24 |