| 1984-04-03 | @ SFN | 1 | W 5-3 | 1-0 | 1 | 52,700 | Dick Ruthven | Mark Davis | Dick Ruthven | Mark Davis | Lee Smith | 5 | 3 | 2 |
| 1984-04-05 | @ SFN | 2 | W 11-7 | 2-0 | 1 | 8,460 | Chuck Rainey | Mike Krukow | Chuck Rainey | Mike Krukow | Lee Smith | 16 | 10 | 6 |
| 1984-04-06 | @ SDN | 3 | L 2-3 | 2-1 | 1 | 15,835 | Scott Sanderson | Tim Lollar | Sid Monge | Lee Smith | | 18 | 13 | 5 |
| 1984-04-07 | @ SDN | 4 | L 6-7 | 2-2 | 4 | 27,799 | Steve Trout | Ed Whitson | Dave Dravecky | Steve Trout | Rich Gossage | 24 | 20 | 4 |
| 1984-04-08 | @ SDN | 5 | W 8-5 | 3-2 | 2 | 24,285 | Dick Ruthven | Eric Show | Lee Smith | Mark Thurmond | | 32 | 25 | 7 |
| 1984-04-09 | @ LAN | 6 | L 2-4 | 3-3 | 5 | 33,284 | Chuck Rainey | Jerry Reuss | Jerry Reuss | Chuck Rainey | Tom Niedenfuer | 34 | 29 | 5 |
| 1984-04-11 | @ LAN | 7 | L 1-2 | 3-4 | 4 | 38,466 | Scott Sanderson | Rick Honeycutt | Rick Honeycutt | Scott Sanderson | | 35 | 31 | 4 |
| 1984-04-13 | vs NYN | 8 | W 11-2 | 4-4 | 4 | 33,436 | Steve Trout | Dwight Gooden | Steve Trout | Dwight Gooden | | 46 | 33 | 13 |
| 1984-04-14 | vs NYN | 9 | W 5-2 | 5-4 | 3 | 15,789 | Dick Ruthven | Tim Leary | Dick Ruthven | Tim Leary | Lee Smith | 51 | 35 | 16 |
| 1984-04-18 | vs SLN | 10 | L 0-5 | 6-5 | 4 | 0 | Chuck Rainey | Joaquin Andujar | Joaquin Andujar | Chuck Rainey | | 51 | 40 | 11 |
| 1984-04-18 | vs SLN | 11 | W 6-1 | 6-5 | 4 | 5,816 | Scott Sanderson | Dave LaPoint | Scott Sanderson | Dave LaPoint | | 57 | 41 | 16 |
| 1984-04-19 | vs SLN | 12 | W 6-1 | 7-5 | 3 | 8,086 | Steve Trout | Danny Cox | Steve Trout | Danny Cox | | 63 | 42 | 21 |
| 1984-04-20 | vs PIT | 13 | W 5-4 | 8-5 | 2 | 22,049 | Dick Ruthven | Rick Rhoden | Tim Stoddard | Kent Tekulve | | 68 | 46 | 22 |
| 1984-04-21 | vs PIT | 14 | L 5-8 | 8-6 | 3 | 21,936 | Rick Reuschel | Larry McWilliams | Jose DeLeon | Dickie Noles | Don Robinson | 73 | 54 | 19 |
| 1984-04-23 | @ SLN | 15 | W 6-2 | 9-6 | 2 | 12,468 | Scott Sanderson | Dave LaPoint | Scott Sanderson | Dave LaPoint | | 79 | 56 | 23 |
| 1984-04-24 | @ SLN | 16 | W 3-2 | 10-6 | 1 | 19,639 | Steve Trout | Danny Cox | Tim Stoddard | Bruce Sutter | Lee Smith | 82 | 58 | 24 |
| 1984-04-25 | @ SLN | 17 | L 5-7 | 10-7 | 2 | 24,978 | Dick Ruthven | Bob Forsch | Jeff Lahti | Dick Ruthven | Bruce Sutter | 87 | 65 | 22 |
| 1984-04-27 | @ PIT | 18 | L 2-3 | 10-8 | 2 | 9,057 | Chuck Rainey | Rick Rhoden | Rick Rhoden | Chuck Rainey | Kent Tekulve | 89 | 68 | 21 |
| 1984-04-28 | @ PIT | 19 | W 7-1 | 11-8 | 2 | 17,317 | Scott Sanderson | Larry McWilliams | Scott Sanderson | Larry McWilliams | | 96 | 69 | 27 |
| 1984-04-29 | @ PIT | 20 | W 2-1 | 12-8 | 1 | 13,397 | Steve Trout | John Candelaria | Steve Trout | John Candelaria | Lee Smith | 98 | 70 | 28 |
| 1984-05-01 | @ NYN | 21 | L 1-8 | 12-9 | 2 | 13,906 | Dick Ruthven | Dwight Gooden | Dwight Gooden | Dick Ruthven | | 99 | 78 | 21 |
| 1984-05-02 | @ NYN | 22 | L 3-4 | 12-10 | 2 | 11,059 | Chuck Rainey | Tim Leary | Ed Lynch | Lee Smith | | 102 | 82 | 20 |
| 1984-05-04 | vs SDN | 23 | W 7-6 | 13-10 | 2 | 6,533 | Scott Sanderson | Andy Hawkins | Lee Smith | Sid Monge | | 109 | 88 | 21 |
| 1984-05-05 | vs SDN | 24 | W 6-5 | 14-10 | 2 | 28,441 | Steve Trout | Ed Whitson | Warren Brusstar | Craig Lefferts | | 115 | 93 | 22 |
| 1984-05-06 | vs SDN | 25 | L 5-8 | 14-11 | 2 | 31,700 | Dick Ruthven | Eric Show | Eric Show | Dick Ruthven | | 120 | 101 | 19 |
| 1984-05-07 | vs SFN | 26 | W 10-7 | 15-11 | 1 | 6,002 | Chuck Rainey | Mark Davis | Chuck Rainey | Mark Davis | Tim Stoddard | 130 | 108 | 22 |
| 1984-05-08 | vs SFN | 27 | W 12-11 | 16-11 | 1 | 4,645 | Rick Reuschel | Scott Garrelts | Lee Smith | Greg Minton | | 142 | 119 | 23 |
| 1984-05-09 | vs LAN | 28 | W 7-0 | 17-11 | 1 | 7,908 | Scott Sanderson | Burt Hooton | Scott Sanderson | Burt Hooton | Rich Bordi | 149 | 119 | 30 |
| 1984-05-10 | vs LAN | 29 | L 1-5 | 17-12 | 1 | 15,747 | Steve Trout | Bob Welch | Bob Welch | Steve Trout | | 150 | 124 | 26 |
| 1984-05-11 | @ HOU | 30 | L 1-3 | 17-13 | 2 | 16,829 | Dick Ruthven | Nolan Ryan | Nolan Ryan | Dick Ruthven | Frank DiPino | 151 | 127 | 24 |
| 1984-05-12 | @ HOU | 31 | W 5-4 | 18-13 | 2 | 20,737 | Chuck Rainey | Joe Niekro | Dickie Noles | Frank DiPino | Lee Smith | 156 | 131 | 25 |
| 1984-05-13 | @ HOU | 32 | L 0-1 | 18-14 | 2 | 13,405 | Rick Reuschel | Mike Madden | Mike Madden | Rick Reuschel | Vern Ruhle | 156 | 132 | 24 |
| 1984-05-15 | @ CIN | 33 | W 6-3 | 19-14 | 2 | 13,074 | Scott Sanderson | Frank Pastore | Dickie Noles | Frank Pastore | Tim Stoddard | 162 | 135 | 27 |
| 1984-05-16 | @ CIN | 34 | W 10-4 | 20-14 | 1 | 12,899 | Steve Trout | Jeff Russell | Steve Trout | Jeff Russell | | 172 | 139 | 33 |
| 1984-05-17 | @ CIN | 35 | L 3-5 | 20-15 | 2 | 18,974 | Dick Ruthven | Mario Soto | Mario Soto | Dick Ruthven | | 175 | 144 | 31 |
| 1984-05-18 | vs HOU | 36 | W 7-6 | 21-15 | 1 | 16,812 | Chuck Rainey | Joe Niekro | Tim Stoddard | Dave Smith | | 182 | 150 | 32 |
| 1984-05-19 | vs HOU | 37 | W 5-4 | 22-15 | 1 | 34,122 | Rick Reuschel | Bob Knepper | Rick Reuschel | Bill Dawley | Lee Smith | 187 | 154 | 33 |
| 1984-05-20 | vs HOU | 38 | W 10-3 | 23-15 | 1 | 27,503 | Rich Bordi | Mike Scott | Rich Bordi | Mike Scott | | 197 | 157 | 40 |
| 1984-05-23 | vs ATL | 39 | W 3-1 | 24-15 | 1 | 15,860 | Steve Trout | Craig McMurtry | Steve Trout | Craig McMurtry | Lee Smith | 200 | 158 | 42 |
| 1984-05-24 | vs ATL | 40 | W 10-7 | 26-15 | 1 | 0 | Chuck Rainey | Pascual Perez | Chuck Rainey | Pascual Perez | Warren Brusstar | 210 | 165 | 45 |
| 1984-05-24 | vs ATL | 41 | W 7-5 | 26-15 | 1 | 24,551 | Rick Reuschel | Pete Falcone | Rick Reuschel | Pete Falcone | Rich Bordi | 217 | 170 | 47 |
| 1984-05-25 | vs CIN | 42 | L 0-3 | 26-16 | 1 | 11,266 | Dickie Noles | Tom Hume | Tom Hume | Dickie Noles | Ted Power | 217 | 173 | 44 |
| 1984-05-26 | vs CIN | 43 | L 6-7 | 26-17 | 1 | 31,556 | Don Schulze | Frank Pastore | Bill Scherrer | Steve Trout | Ted Power | 223 | 180 | 43 |
| 1984-05-27 | vs CIN | 44 | L 3-4 | 26-18 | 1 | 38,060 | Dennis Eckersley | Mario Soto | Bruce Berenyi | Dennis Eckersley | | 226 | 184 | 42 |
| 1984-05-29 | @ ATL | 45 | L 4-7 | 26-19 | 1 | 15,156 | Scott Sanderson | Pascual Perez | Pascual Perez | Warren Brusstar | Terry Forster | 230 | 191 | 39 |
| 1984-05-30 | @ ATL | 46 | W 6-2 | 27-19 | 1 | 16,660 | Steve Trout | Len Barker | Steve Trout | Len Barker | Lee Smith | 236 | 193 | 43 |
| 1984-05-31 | @ PHI | 47 | L 2-10 | 27-20 | 2 | 25,044 | Chuck Rainey | Charles Hudson | Charles Hudson | Chuck Rainey | | 238 | 203 | 35 |
| 1984-06-01 | @ PHI | 48 | W 12-3 | 28-20 | 1 | 30,076 | Rick Reuschel | Marty Bystrom | Rick Reuschel | Marty Bystrom | | 250 | 206 | 44 |
| 1984-06-02 | @ PHI | 49 | L 2-3 | 28-21 | 2 | 40,102 | Dennis Eckersley | Jerry Koosman | Al Holland | Lee Smith | | 252 | 209 | 43 |
| 1984-06-03 | @ PHI | 50 | W 11-2 | 29-21 | 1 | 30,278 | Steve Trout | Kevin Gross | Steve Trout | Kevin Gross | Warren Brusstar | 263 | 211 | 52 |
| 1984-06-05 | @ MON | 51 | W 3-2 | 30-21 | 1 | 25,810 | Chuck Rainey | Bryn Smith | Chuck Rainey | Bryn Smith | Lee Smith | 266 | 213 | 53 |
| 1984-06-06 | @ MON | 52 | L 1-8 | 30-22 | 1 | 15,686 | Rick Reuschel | Bill Gullickson | Bill Gullickson | Rick Reuschel | | 267 | 221 | 46 |
| 1984-06-07 | @ MON | 53 | L 1-2 | 30-23 | 1 | 14,976 | Dennis Eckersley | Charlie Lea | Charlie Lea | Dennis Eckersley | | 268 | 223 | 45 |
| 1984-06-08 | @ SLN | 54 | L 4-5 | 30-24 | 1 | 38,457 | Steve Trout | Dave LaPoint | Jeff Lahti | Tim Stoddard | Bruce Sutter | 272 | 228 | 44 |
| 1984-06-09 | @ SLN | 55 | W 5-0 | 31-24 | 1 | 48,869 | Rich Bordi | John Stuper | Rich Bordi | John Stuper | | 277 | 228 | 49 |
| 1984-06-10 | @ SLN | 56 | W 2-0 | 32-24 | 1 | 43,035 | Chuck Rainey | Joaquin Andujar | Chuck Rainey | Joaquin Andujar | Lee Smith | 279 | 228 | 51 |
| 1984-06-11 | vs MON | 57 | L 1-2 | 32-25 | 1 | 21,231 | Rick Reuschel | Bill Gullickson | Bob James | Lee Smith | | 280 | 230 | 50 |
| 1984-06-12 | vs MON | 58 | W 11-4 | 33-25 | 1 | 22,512 | Dennis Eckersley | Charlie Lea | Dennis Eckersley | Charlie Lea | | 291 | 234 | 57 |
| 1984-06-13 | vs MON | 59 | W 7-4 | 34-25 | 1 | 22,388 | Steve Trout | Steve Rogers | Tim Stoddard | Gary Lucas | Lee Smith | 298 | 238 | 60 |
| 1984-06-14 | vs PHI | 60 | L 2-11 | 34-26 | 1 | 23,373 | Rich Bordi | Steve Carlton | Steve Carlton | Rich Bordi | | 300 | 249 | 51 |
| 1984-06-15 | vs PHI | 61 | L 2-5 | 34-27 | 2 | 27,489 | Chuck Rainey | Charles Hudson | Charles Hudson | Chuck Rainey | Al Holland | 302 | 254 | 48 |
| 1984-06-16 | vs PHI | 62 | L 2-8 | 34-28 | 3 | 40,723 | Rick Reuschel | Marty Bystrom | Marty Bystrom | Rick Reuschel | | 304 | 262 | 42 |
| 1984-06-17 | vs PHI | 63 | L 7-9 | 34-29 | 3 | 36,882 | Dennis Eckersley | Kevin Gross | Kevin Gross | Dennis Eckersley | Al Holland | 311 | 271 | 40 |
| 1984-06-19 | @ PIT | 64 | W 4-3 | 35-29 | 3 | 9,377 | Rick Sutcliffe | John Tudor | Rick Sutcliffe | John Tudor | Lee Smith | 315 | 274 | 41 |
| 1984-06-20 | @ PIT | 65 | L 1-5 | 35-30 | 3 | 7,767 | Chuck Rainey | Jose DeLeon | Jose DeLeon | Chuck Rainey | | 316 | 279 | 37 |
| 1984-06-21 | @ PIT | 66 | L 6-8 | 35-31 | 3 | 8,267 | Dennis Eckersley | Rick Rhoden | Rick Rhoden | Dennis Eckersley | Kent Tekulve | 322 | 287 | 35 |
| 1984-06-22 | vs SLN | 67 | W 9-3 | 36-31 | 3 | 33,723 | Rick Reuschel | John Stuper | Rick Reuschel | John Stuper | Lee Smith | 331 | 290 | 41 |
| 1984-06-23 | vs SLN | 68 | W 12-11 | 37-31 | 3 | 38,079 | Steve Trout | Ralph Citarella | Lee Smith | Dave Rucker | | 343 | 301 | 42 |
| 1984-06-24 | vs SLN | 69 | W 5-0 | 38-31 | 3 | 39,494 | Rick Sutcliffe | Ricky Horton | Rick Sutcliffe | Ricky Horton | | 348 | 301 | 47 |
| 1984-06-25 | vs PIT | 70 | L 0-3 | 38-32 | 3 | 19,036 | Chuck Rainey | Jose DeLeon | Jose DeLeon | Chuck Rainey | | 348 | 304 | 44 |
| 1984-06-26 | vs PIT | 71 | L 0-9 | 39-33 | 3 | 0 | Dennis Eckersley | Rick Rhoden | Rick Rhoden | Dennis Eckersley | | 348 | 313 | 35 |
| 1984-06-26 | vs PIT | 72 | W 9-8 | 39-33 | 3 | 28,369 | Rich Bordi | Larry McWilliams | Rich Bordi | Larry McWilliams | Lee Smith | 357 | 321 | 36 |
| 1984-06-27 | vs PIT | 73 | W 8-7 | 40-33 | 3 | 37,055 | Rick Reuschel | Lee Tunnell | Tim Stoddard | Rod Scurry | | 365 | 328 | 37 |
| 1984-06-28 | @ LAN | 74 | W 5-3 | 41-33 | 1 | 37,659 | Steve Trout | Alejandro Pena | Steve Trout | Alejandro Pena | Tim Stoddard | 370 | 331 | 39 |
| 1984-06-29 | @ LAN | 75 | L 1-7 | 41-34 | 2 | 43,700 | Rick Sutcliffe | Orel Hershiser | Orel Hershiser | Rick Sutcliffe | | 371 | 338 | 33 |
| 1984-06-30 | @ LAN | 76 | W 14-4 | 42-34 | 1 | 47,991 | Chuck Rainey | Bob Welch | George Frazier | Ken Howell | Tim Stoddard | 385 | 342 | 43 |
| 1984-07-01 | @ LAN | 77 | W 4-3 | 43-34 | 1 | 47,460 | Dennis Eckersley | Fernando Valenzuela | Dennis Eckersley | Fernando Valenzuela | Warren Brusstar | 389 | 345 | 44 |
| 1984-07-02 | @ SDN | 78 | L 1-5 | 43-35 | 2 | 13,444 | Rick Reuschel | Dave Dravecky | Dave Dravecky | Rick Reuschel | | 390 | 350 | 40 |
| 1984-07-03 | @ SDN | 79 | W 3-2 | 44-35 | 2 | 20,287 | Steve Trout | Mark Thurmond | Steve Trout | Mark Thurmond | Tim Stoddard | 393 | 352 | 41 |
| 1984-07-04 | @ SDN | 80 | W 2-1 | 45-35 | 1 | 52,134 | Rick Sutcliffe | Eric Show | Rick Sutcliffe | Eric Show | Lee Smith | 395 | 353 | 42 |
| 1984-07-05 | @ SFN | 81 | W 9-3 | 46-35 | 1 | 6,854 | Scott Sanderson | Bill Laskey | Scott Sanderson | Bill Laskey | Rich Bordi | 404 | 356 | 48 |
| 1984-07-06 | @ SFN | 82 | W 5-4 | 47-35 | 1 | 11,071 | Dennis Eckersley | Atlee Hammaker | Tim Stoddard | Greg Minton | Lee Smith | 409 | 360 | 49 |
| 1984-07-07 | @ SFN | 83 | L 2-7 | 47-36 | 2 | 16,662 | Rick Reuschel | Mike Krukow | Mike Krukow | Rick Reuschel | | 411 | 367 | 44 |
| 1984-07-08 | @ SFN | 84 | W 6-3 | 48-36 | 2 | 22,223 | Rick Sutcliffe | Mark Davis | Rick Sutcliffe | Mark Davis | Lee Smith | 417 | 370 | 47 |
| 1984-07-12 | vs LAN | 85 | W 3-2 | 49-36 | 2 | 33,129 | Steve Trout | Alejandro Pena | Tim Stoddard | Tom Niedenfuer | | 420 | 372 | 48 |
| 1984-07-13 | vs LAN | 86 | W 7-5 | 50-36 | 2 | 33,915 | Rick Sutcliffe | Bob Welch | Rick Sutcliffe | Bob Welch | Lee Smith | 427 | 377 | 50 |
| 1984-07-14 | vs LAN | 87 | L 0-8 | 50-37 | 2 | 39,396 | Scott Sanderson | Orel Hershiser | Orel Hershiser | Scott Sanderson | | 427 | 385 | 42 |
| 1984-07-15 | vs LAN | 88 | W 4-1 | 51-37 | 2 | 39,574 | Dennis Eckersley | Fernando Valenzuela | Dennis Eckersley | Fernando Valenzuela | Lee Smith | 431 | 386 | 45 |
| 1984-07-16 | vs SDN | 89 | L 0-4 | 51-38 | 2 | 23,642 | Dick Ruthven | Mark Thurmond | Mark Thurmond | Dick Ruthven | | 431 | 390 | 41 |
| 1984-07-17 | vs SDN | 90 | L 5-6 | 51-39 | 2 | 29,499 | Steve Trout | Eric Show | Eric Show | Steve Trout | Rich Gossage | 436 | 396 | 40 |
| 1984-07-18 | vs SDN | 91 | W 4-1 | 52-39 | 2 | 27,471 | Rick Sutcliffe | Ed Whitson | Rick Sutcliffe | Ed Whitson | | 440 | 397 | 43 |
| 1984-07-19 | vs SFN | 92 | W 6-4 | 53-39 | 2 | 22,523 | Scott Sanderson | Mark Davis | George Frazier | Mark Davis | Tim Stoddard | 446 | 401 | 45 |
| 1984-07-20 | vs SFN | 93 | L 2-3 | 53-40 | 2 | 27,259 | Dennis Eckersley | Jeff Robinson | Jeff Robinson | Dennis Eckersley | Greg Minton | 448 | 404 | 44 |
| 1984-07-21 | vs SFN | 94 | W 4-3 | 54-40 | 2 | 37,527 | Dick Ruthven | Bill Laskey | Rich Bordi | Greg Minton | | 452 | 407 | 45 |
| 1984-07-22 | vs SFN | 95 | L 5-11 | 54-41 | 2 | 37,096 | Steve Trout | Mike Krukow | Mike Krukow | Steve Trout | | 457 | 418 | 39 |
| 1984-07-23 | @ PHI | 96 | W 3-2 | 55-41 | 2 | 32,243 | Rick Sutcliffe | Shane Rawley | Rick Sutcliffe | Shane Rawley | Lee Smith | 460 | 420 | 40 |
| 1984-07-24 | @ PHI | 97 | L 2-3 | 55-42 | 2 | 37,063 | Scott Sanderson | Jerry Koosman | Jerry Koosman | Tim Stoddard | Al Holland | 462 | 423 | 39 |
| 1984-07-25 | @ PHI | 98 | W 9-4 | 56-42 | 2 | 45,183 | Dennis Eckersley | Charles Hudson | Dennis Eckersley | Charles Hudson | | 471 | 427 | 44 |
| 1984-07-27 | @ NYN | 99 | L 1-2 | 56-43 | 2 | 51,102 | Dick Ruthven | Dwight Gooden | Dwight Gooden | Dick Ruthven | Jesse Orosco | 472 | 429 | 43 |
| 1984-07-28 | @ NYN | 100 | W 11-4 | 57-43 | 2 | 37,518 | Rick Sutcliffe | Ron Darling | Lee Smith | Doug Sisk | | 483 | 433 | 50 |
| 1984-07-29 | @ NYN | 101 | W 3-0 | 59-43 | 2 | 0 | Steve Trout | Walt Terrell | Steve Trout | Walt Terrell | | 486 | 433 | 53 |
| 1984-07-29 | @ NYN | 102 | W 5-1 | 59-43 | 2 | 50,443 | Scott Sanderson | Bruce Berenyi | Scott Sanderson | Bruce Berenyi | | 491 | 434 | 57 |
| 1984-07-30 | vs PHI | 103 | W 3-2 | 60-43 | 2 | 29,425 | Dennis Eckersley | Charles Hudson | Dennis Eckersley | Charles Hudson | Lee Smith | 494 | 436 | 58 |
| 1984-07-31 | vs PHI | 104 | L 1-2 | 60-44 | 2 | 30,175 | Rich Bordi | John Denny | Al Holland | Tim Stoddard | Bill Campbell | 495 | 438 | 57 |
| 1984-08-01 | vs PHI | 105 | W 5-4 | 61-44 | 1 | 32,900 | Dick Ruthven | Steve Carlton | Lee Smith | Al Holland | | 500 | 442 | 58 |
| 1984-08-02 | vs MON | 106 | W 3-2 | 62-44 | 1 | 22,485 | Rick Sutcliffe | Bryn Smith | Rick Sutcliffe | Bryn Smith | Lee Smith | 503 | 444 | 59 |
| 1984-08-03 | vs MON | 107 | L 5-6 | 62-45 | 1 | 28,483 | Steve Trout | Bill Gullickson | Jeff Reardon | Tim Stoddard | | 508 | 450 | 58 |
| 1984-08-04 | vs MON | 108 | W 4-1 | 63-45 | 1 | 38,306 | Dennis Eckersley | Dan Schatzeder | Dennis Eckersley | Dan Schatzeder | George Frazier | 512 | 451 | 61 |
| 1984-08-05 | vs MON | 109 | W 4-3 | 64-45 | 1 | 35,142 | Rich Bordi | Rick Grapenthin | Rick Reuschel | Rick Grapenthin | Lee Smith | 516 | 454 | 62 |
| 1984-08-06 | vs NYN | 110 | W 9-3 | 65-45 | 1 | 31,793 | Dick Ruthven | Dwight Gooden | Dick Ruthven | Dwight Gooden | | 525 | 457 | 68 |
| 1984-08-07 | vs NYN | 111 | W 8-6 | 67-45 | 1 | 0 | Rick Sutcliffe | Ron Darling | Rick Sutcliffe | Ron Darling | George Frazier | 533 | 463 | 70 |
| 1984-08-07 | vs NYN | 112 | W 8-4 | 67-45 | 1 | 39,271 | Scott Sanderson | Ed Lynch | Tim Stoddard | Ed Lynch | Lee Smith | 541 | 467 | 74 |
| 1984-08-08 | vs NYN | 113 | W 7-6 | 68-45 | 1 | 37,292 | Steve Trout | Walt Terrell | Lee Smith | Wes Gardner | Tim Stoddard | 548 | 473 | 75 |
| 1984-08-09 | @ MON | 114 | L 0-1 | 68-46 | 1 | 20,227 | Dennis Eckersley | Dan Schatzeder | Dan Schatzeder | George Frazier | | 548 | 474 | 74 |
| 1984-08-10 | @ MON | 115 | L 2-4 | 68-47 | 1 | 21,566 | Rick Reuschel | Joe Hesketh | Bob James | Tim Stoddard | | 550 | 478 | 72 |
| 1984-08-11 | @ MON | 116 | W 2-1 | 69-47 | 1 | 30,494 | Dick Ruthven | Charlie Lea | Lee Smith | Charlie Lea | | 552 | 479 | 73 |
| 1984-08-12 | @ MON | 117 | W 7-3 | 70-47 | 1 | 28,464 | Rick Sutcliffe | Steve Rogers | Rick Sutcliffe | Steve Rogers | | 559 | 482 | 77 |
| 1984-08-13 | @ HOU | 118 | L 1-2 | 70-48 | 1 | 14,793 | Scott Sanderson | Mike LaCoss | Bill Dawley | Scott Sanderson | | 560 | 484 | 76 |
| 1984-08-14 | @ HOU | 119 | L 6-7 | 70-49 | 1 | 18,756 | Steve Trout | Joe Niekro | Julio Solano | George Frazier | Frank DiPino | 566 | 491 | 75 |
| 1984-08-15 | @ HOU | 120 | L 2-6 | 70-50 | 1 | 19,999 | Dennis Eckersley | Bob Knepper | Bob Knepper | Dennis Eckersley | Frank DiPino | 568 | 497 | 71 |
| 1984-08-17 | @ CIN | 121 | L 4-6 | 70-51 | 1 | 35,038 | Dick Ruthven | Mario Soto | Mario Soto | Dick Ruthven | | 572 | 503 | 69 |
| 1984-08-18 | @ CIN | 122 | W 13-11 | 71-51 | 1 | 32,256 | Rick Sutcliffe | Ron Robinson | Rick Sutcliffe | Ron Robinson | Lee Smith | 585 | 514 | 71 |
| 1984-08-19 | @ CIN | 123 | W 9-6 | 72-51 | 1 | 38,404 | Scott Sanderson | Jeff Russell | George Frazier | Jeff Russell | | 594 | 520 | 74 |
| 1984-08-20 | vs HOU | 124 | W 6-1 | 73-51 | 1 | 26,967 | Steve Trout | Bob Knepper | Steve Trout | Bob Knepper | | 600 | 521 | 79 |
| 1984-08-21 | vs HOU | 125 | W 11-5 | 74-51 | 1 | 29,184 | Dennis Eckersley | Mike Scott | Dennis Eckersley | Mike Scott | | 611 | 526 | 85 |
| 1984-08-22 | vs HOU | 126 | L 3-8 | 74-52 | 1 | 31,018 | Dick Ruthven | Nolan Ryan | Nolan Ryan | Dick Ruthven | | 614 | 534 | 80 |
| 1984-08-24 | vs ATL | 127 | W 3-0 | 75-52 | 1 | 35,496 | Rick Sutcliffe | Rick Camp | Rick Sutcliffe | Rick Camp | | 617 | 534 | 83 |
| 1984-08-25 | vs ATL | 128 | L 2-3 | 75-53 | 1 | 36,614 | Scott Sanderson | Rick Mahler | Rick Mahler | Scott Sanderson | | 619 | 537 | 82 |
| 1984-08-26 | vs ATL | 129 | W 5-0 | 76-53 | 1 | 35,002 | Steve Trout | Pascual Perez | Steve Trout | Pascual Perez | | 624 | 537 | 87 |
| 1984-08-28 | vs CIN | 130 | W 5-2 | 78-53 | 1 | 0 | Dennis Eckersley | Andy McGaffigan | Dennis Eckersley | Andy McGaffigan | George Frazier | 629 | 539 | 90 |
| 1984-08-28 | vs CIN | 131 | W 5-2 | 78-53 | 1 | 32,827 | Dick Ruthven | Frank Pastore | Dick Ruthven | Frank Pastore | Rich Bordi | 634 | 541 | 93 |
| 1984-08-29 | vs CIN | 132 | W 7-2 | 79-53 | 1 | 26,425 | Rick Sutcliffe | Jeff Russell | Rick Sutcliffe | Jeff Russell | | 641 | 543 | 98 |
| 1984-08-30 | @ ATL | 133 | W 8-3 | 80-53 | 1 | 10,876 | Scott Sanderson | Pascual Perez | Lee Smith | Gene Garber | | 649 | 546 | 103 |
| 1984-08-31 | @ ATL | 134 | L 2-3 | 80-54 | 1 | 19,396 | Steve Trout | Tony Brizzolara | Donnie Moore | Lee Smith | | 651 | 549 | 102 |
| 1984-09-01 | @ ATL | 135 | W 4-1 | 81-54 | 1 | 28,821 | Dennis Eckersley | Rick Camp | Rich Bordi | Craig McMurtry | Lee Smith | 655 | 550 | 105 |
| 1984-09-02 | @ ATL | 136 | W 4-2 | 82-54 | 1 | 26,106 | Dick Ruthven | Rick Mahler | Dick Ruthven | Rick Mahler | Lee Smith | 659 | 552 | 107 |
| 1984-09-03 | @ PHI | 137 | W 4-3 | 83-54 | 1 | 28,162 | Rick Sutcliffe | John Denny | George Frazier | Renie Martin | Lee Smith | 663 | 555 | 108 |
| 1984-09-04 | @ PHI | 138 | W 7-2 | 84-54 | 1 | 25,054 | Scott Sanderson | Steve Carlton | Scott Sanderson | Steve Carlton | | 670 | 557 | 113 |
| 1984-09-05 | @ MON | 139 | L 1-3 | 84-55 | 1 | 12,623 | Steve Trout | Dan Schatzeder | David Palmer | Steve Trout | Rick Grapenthin | 671 | 560 | 111 |
| 1984-09-06 | @ MON | 140 | W 4-1 | 85-55 | 1 | 13,089 | Dennis Eckersley | Charlie Lea | George Frazier | Charlie Lea | Lee Smith | 675 | 561 | 114 |
| 1984-09-07 | @ NYN | 141 | L 0-10 | 85-56 | 1 | 46,301 | Dick Ruthven | Dwight Gooden | Dwight Gooden | Dick Ruthven | | 675 | 571 | 104 |
| 1984-09-08 | @ NYN | 142 | W 6-0 | 86-56 | 1 | 42,810 | Rick Sutcliffe | Walt Terrell | Rick Sutcliffe | Walt Terrell | | 681 | 571 | 110 |
| 1984-09-09 | @ NYN | 143 | L 1-5 | 86-57 | 1 | 34,956 | Scott Sanderson | Ron Darling | Ron Darling | George Frazier | | 682 | 576 | 106 |
| 1984-09-10 | vs PHI | 144 | W 3-2 | 87-57 | 1 | 26,083 | Steve Trout | Jerry Koosman | Tim Stoddard | Jerry Koosman | Lee Smith | 685 | 578 | 107 |
| 1984-09-11 | vs PHI | 145 | L 3-6 | 87-58 | 1 | 28,964 | Dennis Eckersley | Charles Hudson | Charles Hudson | Lee Smith | Al Holland | 688 | 584 | 104 |
| 1984-09-12 | vs MON | 146 | W 11-5 | 88-58 | 1 | 20,976 | Rich Bordi | Bryn Smith | Tim Stoddard | Bryn Smith | | 699 | 589 | 110 |
| 1984-09-14 | vs NYN | 147 | W 7-1 | 89-58 | 1 | 32,403 | Rick Sutcliffe | Ron Darling | Rick Sutcliffe | Ron Darling | | 706 | 590 | 116 |
| 1984-09-15 | vs NYN | 148 | W 5-4 | 90-58 | 1 | 38,653 | Scott Sanderson | Sid Fernandez | Scott Sanderson | Sid Fernandez | Lee Smith | 711 | 594 | 117 |
| 1984-09-16 | vs NYN | 149 | L 3-9 | 90-59 | 1 | 38,936 | Steve Trout | Bruce Berenyi | Bruce Berenyi | Steve Trout | | 714 | 603 | 111 |
| 1984-09-18 | vs PIT | 150 | L 2-6 | 90-60 | 1 | 30,721 | Dennis Eckersley | John Tudor | John Tudor | Dennis Eckersley | Don Robinson | 716 | 609 | 107 |
| 1984-09-19 | vs PIT | 151 | L 6-11 | 90-61 | 1 | 31,585 | Rick Sutcliffe | Larry McWilliams | Larry McWilliams | Tim Stoddard | Jim Winn | 722 | 620 | 102 |
| 1984-09-20 | vs PIT | 152 | L 6-7 | 90-62 | 1 | 33,651 | Dick Ruthven | Jose DeLeon | Kent Tekulve | Lee Smith | John Candelaria | 728 | 627 | 101 |
| 1984-09-21 | @ SLN | 153 | L 0-8 | 90-63 | 1 | 36,847 | Scott Sanderson | Kurt Kepshire | Kurt Kepshire | Scott Sanderson | | 728 | 635 | 93 |
| 1984-09-23 | @ SLN | 154 | W 8-1 | 92-63 | 1 | 0 | Steve Trout | Rick Ownbey | Steve Trout | Rick Ownbey | | 736 | 636 | 100 |
| 1984-09-23 | @ SLN | 155 | W 4-2 | 92-63 | 1 | 46,083 | Dennis Eckersley | Joaquin Andujar | Dennis Eckersley | Joaquin Andujar | Lee Smith | 740 | 638 | 102 |
| 1984-09-24 | @ PIT | 156 | W 4-1 | 93-63 | 1 | 5,472 | Rick Sutcliffe | Larry McWilliams | Rick Sutcliffe | Larry McWilliams | | 744 | 639 | 105 |
| 1984-09-25 | @ PIT | 157 | L 1-7 | 93-64 | 1 | 4,068 | Reggie Patterson | Jose DeLeon | Jose DeLeon | Reggie Patterson | | 745 | 646 | 99 |
| 1984-09-26 | @ PIT | 158 | W 5-2 | 94-64 | 1 | 3,365 | Dick Ruthven | Lee Tunnell | Dick Ruthven | Lee Tunnell | | 750 | 648 | 102 |
| 1984-09-28 | vs SLN | 159 | L 1-4 | 94-65 | 1 | 31,021 | Steve Trout | Joaquin Andujar | Joaquin Andujar | Rich Bordi | Bruce Sutter | 751 | 652 | 99 |
| 1984-09-29 | vs SLN | 160 | W 9-5 | 95-65 | 1 | 33,954 | Dennis Eckersley | Danny Cox | Dennis Eckersley | Danny Cox | | 760 | 657 | 103 |
| 1984-09-30 | vs SLN | 161 | W 2-1 | 96-65 | 1 | 33,100 | Scott Sanderson | Rick Ownbey | George Frazier | Bruce Sutter | | 762 | 658 | 104 |