| 1984-04-03 | @ HOU | 1 | W 4-2 | 1-0 | 2 | 28,105 | Charlie Lea | Joe Niekro | Charlie Lea | Joe Niekro | Jeff Reardon | 4 | 2 | 2 |
| 1984-04-04 | @ HOU | 2 | L 2-8 | 1-1 | 3 | 11,556 | Bill Gullickson | Nolan Ryan | Nolan Ryan | Bill Gullickson | Vern Ruhle | 6 | 10 | -4 |
| 1984-04-06 | @ ATL | 3 | W 8-5 | 2-1 | 2 | 18,411 | Bryn Smith | Ken Dayley | Bryn Smith | Ken Dayley | Greg Harris | 14 | 15 | -1 |
| 1984-04-07 | @ ATL | 4 | W 7-2 | 3-1 | 1 | 24,663 | David Palmer | Pete Falcone | David Palmer | Pete Falcone | Jeff Reardon | 21 | 17 | 4 |
| 1984-04-08 | @ ATL | 5 | L 2-6 | 3-2 | 3 | 21,287 | Charlie Lea | Len Barker | Len Barker | Charlie Lea | Steve Bedrosian | 23 | 23 | 0 |
| 1984-04-09 | @ CIN | 6 | L 6-9 | 3-3 | 6 | 7,092 | Bill Gullickson | Jeff Russell | Jeff Russell | Bill Gullickson | Tom Hume | 29 | 32 | -3 |
| 1984-04-10 | @ CIN | 7 | L 6-8 | 3-4 | 6 | 13,123 | Andy McGaffigan | Joe Price | Joe Price | Bob James | Bill Scherrer | 35 | 40 | -5 |
| 1984-04-11 | @ CIN | 8 | W 9-3 | 4-4 | 3 | 18,923 | Bryn Smith | Bruce Berenyi | Bryn Smith | Bruce Berenyi | Gary Lucas | 44 | 43 | 1 |
| 1984-04-13 | vs PHI | 9 | W 5-1 | 5-4 | 3 | 48,060 | Charlie Lea | Jerry Koosman | Charlie Lea | Jerry Koosman | Gary Lucas | 49 | 44 | 5 |
| 1984-04-14 | vs PHI | 10 | L 3-4 | 5-5 | 5 | 17,030 | Bill Gullickson | Steve Carlton | Larry Andersen | Dan Schatzeder | Al Holland | 52 | 48 | 4 |
| 1984-04-17 | @ NYN | 11 | W 10-0 | 6-5 | 5 | 46,636 | Bryn Smith | Ron Darling | Bryn Smith | Ron Darling | | 62 | 48 | 14 |
| 1984-04-18 | @ NYN | 12 | L 4-5 | 6-6 | 5 | 11,147 | Charlie Lea | Walt Terrell | Ed Lynch | Jeff Reardon | | 66 | 53 | 13 |
| 1984-04-19 | @ NYN | 13 | L 6-7 | 6-7 | 5 | 10,705 | Bill Gullickson | Dwight Gooden | Jesse Orosco | Dan Schatzeder | | 72 | 60 | 12 |
| 1984-04-21 | @ SLN | 14 | W 6-3 | 8-7 | 4 | 0 | Steve Rogers | John Stuper | Steve Rogers | John Stuper | Jeff Reardon | 78 | 63 | 15 |
| 1984-04-21 | @ SLN | 15 | W 4-0 | 8-7 | 4 | 13,207 | David Palmer | Bob Forsch | David Palmer | Bob Forsch | | 82 | 63 | 19 |
| 1984-04-22 | @ SLN | 16 | W 4-2 | 9-7 | 4 | 21,413 | Bryn Smith | Joaquin Andujar | Bryn Smith | Joaquin Andujar | Jeff Reardon | 86 | 65 | 21 |
| 1984-04-23 | vs NYN | 17 | W 6-4 | 10-7 | 3 | 19,547 | Charlie Lea | Walt Terrell | Charlie Lea | Walt Terrell | Gary Lucas | 92 | 69 | 23 |
| 1984-04-25 | vs NYN | 18 | L 1-2 | 10-8 | 4 | 5,370 | David Palmer | Dwight Gooden | Jesse Orosco | Greg Harris | | 93 | 71 | 22 |
| 1984-04-27 | vs SLN | 19 | L 2-8 | 10-9 | 4 | 14,095 | Steve Rogers | Joaquin Andujar | Joaquin Andujar | Steve Rogers | | 95 | 79 | 16 |
| 1984-04-28 | vs SLN | 20 | L 1-6 | 10-10 | 4 | 16,727 | Bryn Smith | Dave LaPoint | Dave LaPoint | Bryn Smith | Bruce Sutter | 96 | 85 | 11 |
| 1984-04-29 | vs SLN | 21 | W 6-2 | 11-10 | 4 | 22,455 | Charlie Lea | Danny Cox | Charlie Lea | Danny Cox | | 102 | 87 | 15 |
| 1984-04-30 | @ PHI | 22 | W 5-2 | 12-10 | 4 | 20,277 | Andy McGaffigan | Steve Carlton | Andy McGaffigan | Steve Carlton | | 107 | 89 | 18 |
| 1984-05-01 | @ PHI | 23 | L 4-7 | 12-11 | 4 | 20,118 | David Palmer | Marty Bystrom | Kevin Gross | Bob James | Al Holland | 111 | 96 | 15 |
| 1984-05-02 | @ PHI | 24 | W 3-2 | 13-11 | 4 | 24,922 | Steve Rogers | John Denny | Bob James | John Denny | Gary Lucas | 114 | 98 | 16 |
| 1984-05-05 | vs ATL | 25 | W 2-1 | 14-11 | 3 | 16,519 | Bryn Smith | Len Barker | Andy McGaffigan | Gene Garber | | 116 | 99 | 17 |
| 1984-05-06 | vs ATL | 26 | L 0-2 | 14-13 | 4 | 0 | Charlie Lea | Craig McMurtry | Craig McMurtry | Charlie Lea | Steve Bedrosian | 116 | 101 | 15 |
| 1984-05-06 | vs ATL | 27 | L 8-9 | 14-13 | 4 | 26,577 | David Palmer | Rick Camp | Jeff Dedmon | Bob James | Steve Bedrosian | 124 | 110 | 14 |
| 1984-05-07 | vs HOU | 28 | W 4-1 | 15-13 | 3 | 13,121 | Steve Rogers | Joe Niekro | Steve Rogers | Joe Niekro | Andy McGaffigan | 128 | 111 | 17 |
| 1984-05-09 | vs CIN | 29 | L 4-6 | 15-14 | 3 | 15,558 | Bill Gullickson | Bruce Berenyi | Tom Hume | Bill Gullickson | John Franco | 132 | 117 | 15 |
| 1984-05-10 | vs CIN | 30 | L 1-2 | 15-15 | 3 | 14,475 | Bryn Smith | Frank Pastore | Frank Pastore | Bryn Smith | | 133 | 119 | 14 |
| 1984-05-11 | @ SFN | 31 | W 7-5 | 16-15 | 3 | 15,235 | Charlie Lea | Bill Laskey | Charlie Lea | Bill Laskey | Jeff Reardon | 140 | 124 | 16 |
| 1984-05-12 | @ SFN | 32 | L 7-8 | 16-16 | 3 | 13,555 | Steve Rogers | Mike Krukow | Mike Krukow | Steve Rogers | Frank Williams | 147 | 132 | 15 |
| 1984-05-13 | @ SFN | 33 | L 3-4 | 16-17 | 4 | 21,884 | David Palmer | Mark Davis | Scott Garrelts | Andy McGaffigan | Randy Lerch | 150 | 136 | 14 |
| 1984-05-14 | @ SDN | 34 | W 7-6 | 17-17 | 4 | 9,389 | Bill Gullickson | Mark Thurmond | Jeff Reardon | Dave Dravecky | | 157 | 142 | 15 |
| 1984-05-15 | @ SDN | 35 | W 6-4 | 18-17 | 4 | 11,025 | Bryn Smith | Tim Lollar | Bryn Smith | Tim Lollar | Dan Schatzeder | 163 | 146 | 17 |
| 1984-05-16 | @ SDN | 36 | W 3-2 | 19-17 | 4 | 11,462 | Charlie Lea | Eric Show | Charlie Lea | Eric Show | Jeff Reardon | 166 | 148 | 18 |
| 1984-05-17 | @ SDN | 37 | L 4-5 | 19-18 | 4 | 17,066 | Steve Rogers | Andy Hawkins | Rich Gossage | Andy McGaffigan | Craig Lefferts | 170 | 153 | 17 |
| 1984-05-18 | @ LAN | 38 | W 5-4 | 20-18 | 4 | 45,795 | David Palmer | Alejandro Pena | Andy McGaffigan | Tom Niedenfuer | Greg Harris | 175 | 157 | 18 |
| 1984-05-19 | @ LAN | 39 | L 1-5 | 20-19 | 4 | 47,732 | Bill Gullickson | Rick Honeycutt | Rick Honeycutt | Bill Gullickson | | 176 | 162 | 14 |
| 1984-05-20 | @ LAN | 40 | L 2-3 | 20-20 | 5 | 47,059 | Bryn Smith | Jerry Reuss | Pat Zachry | Bryn Smith | Tom Niedenfuer | 178 | 165 | 13 |
| 1984-05-22 | vs SDN | 41 | W 3-2 | 21-20 | 4 | 19,847 | Charlie Lea | Eric Show | Charlie Lea | Eric Show | | 181 | 167 | 14 |
| 1984-05-23 | vs SDN | 42 | L 1-2 | 21-21 | 4 | 8,573 | Steve Rogers | Andy Hawkins | Dave Dravecky | Andy McGaffigan | | 182 | 169 | 13 |
| 1984-05-25 | vs SFN | 43 | W 3-2 | 22-21 | 4 | 24,212 | Bryn Smith | Jeff Robinson | Jeff Reardon | Greg Minton | | 185 | 171 | 14 |
| 1984-05-26 | vs SFN | 44 | W 4-2 | 23-21 | 4 | 22,568 | Bill Gullickson | Bill Laskey | Bill Gullickson | Bill Laskey | Jeff Reardon | 189 | 173 | 16 |
| 1984-05-27 | vs SFN | 45 | W 6-2 | 24-21 | 4 | 31,618 | Charlie Lea | Mark Grant | Charlie Lea | Mark Grant | | 195 | 175 | 20 |
| 1984-05-28 | vs LAN | 46 | L 1-6 | 24-22 | 4 | 15,367 | Steve Rogers | Fernando Valenzuela | Fernando Valenzuela | Steve Rogers | | 196 | 181 | 15 |
| 1984-05-30 | vs LAN | 47 | L 1-4 | 24-23 | 4 | 10,475 | Bryn Smith | Alejandro Pena | Alejandro Pena | Bryn Smith | | 197 | 185 | 12 |
| 1984-05-31 | @ PIT | 48 | L 1-2 | 24-24 | 4 | 6,049 | Bill Gullickson | Jose DeLeon | Jose DeLeon | Bill Gullickson | | 198 | 187 | 11 |
| 1984-06-01 | @ PIT | 49 | W 2-0 | 25-24 | 3 | 12,691 | Charlie Lea | Rick Rhoden | Charlie Lea | Rick Rhoden | Jeff Reardon | 200 | 187 | 13 |
| 1984-06-02 | @ PIT | 50 | L 1-2 | 25-25 | 4 | 19,080 | Steve Rogers | Lee Tunnell | Lee Tunnell | Steve Rogers | Kent Tekulve | 201 | 189 | 12 |
| 1984-06-03 | @ PIT | 51 | L 0-4 | 25-26 | 4 | 19,713 | David Palmer | John Tudor | John Tudor | David Palmer | | 201 | 193 | 8 |
| 1984-06-05 | vs CHN | 52 | L 2-3 | 25-27 | 5 | 25,810 | Bryn Smith | Chuck Rainey | Chuck Rainey | Bryn Smith | Lee Smith | 203 | 196 | 7 |
| 1984-06-06 | vs CHN | 53 | W 8-1 | 26-27 | 5 | 15,686 | Bill Gullickson | Rick Reuschel | Bill Gullickson | Rick Reuschel | | 211 | 197 | 14 |
| 1984-06-07 | vs CHN | 54 | W 2-1 | 27-27 | 5 | 14,976 | Charlie Lea | Dennis Eckersley | Charlie Lea | Dennis Eckersley | | 213 | 198 | 15 |
| 1984-06-08 | vs NYN | 55 | L 1-4 | 27-28 | 5 | 30,595 | Steve Rogers | Ed Lynch | Ed Lynch | Steve Rogers | Doug Sisk | 214 | 202 | 12 |
| 1984-06-09 | vs NYN | 56 | L 3-5 | 27-30 | 5 | 0 | David Palmer | Ron Darling | Ron Darling | David Palmer | Jesse Orosco | 217 | 207 | 10 |
| 1984-06-09 | vs NYN | 57 | L 5-6 | 27-30 | 5 | 28,266 | Andy McGaffigan | Mike Torrez | Mike Torrez | Andy McGaffigan | Jesse Orosco | 222 | 213 | 9 |
| 1984-06-10 | vs NYN | 58 | W 3-2 | 28-30 | 5 | 32,483 | Bryn Smith | Walt Terrell | Dan Schatzeder | Walt Terrell | Jeff Reardon | 225 | 215 | 10 |
| 1984-06-11 | @ CHN | 59 | W 2-1 | 29-30 | 5 | 21,231 | Bill Gullickson | Rick Reuschel | Bob James | Lee Smith | | 227 | 216 | 11 |
| 1984-06-12 | @ CHN | 60 | L 4-11 | 29-31 | 5 | 22,512 | Charlie Lea | Dennis Eckersley | Dennis Eckersley | Charlie Lea | | 231 | 227 | 4 |
| 1984-06-13 | @ CHN | 61 | L 4-7 | 29-32 | 5 | 22,388 | Steve Rogers | Steve Trout | Tim Stoddard | Gary Lucas | Lee Smith | 235 | 234 | 1 |
| 1984-06-14 | vs PIT | 62 | L 2-3 | 29-33 | 5 | 30,657 | David Palmer | John Tudor | Kent Tekulve | Gary Lucas | | 237 | 237 | 0 |
| 1984-06-15 | vs PIT | 63 | W 1-0 | 30-33 | 5 | 23,247 | Dan Schatzeder | Jose DeLeon | Dan Schatzeder | Jose DeLeon | Bob James | 238 | 237 | 1 |
| 1984-06-16 | vs PIT | 64 | W 3-2 | 31-33 | 5 | 24,626 | Bill Gullickson | Rick Rhoden | Jeff Reardon | Kent Tekulve | | 241 | 239 | 2 |
| 1984-06-17 | vs PIT | 65 | W 5-3 | 32-33 | 5 | 31,216 | Charlie Lea | Larry McWilliams | Charlie Lea | Larry McWilliams | Jeff Reardon | 246 | 242 | 4 |
| 1984-06-19 | vs SLN | 66 | W 6-3 | 33-33 | 4 | 23,886 | Steve Rogers | Ken Dayley | Steve Rogers | Ken Dayley | Bob James | 252 | 245 | 7 |
| 1984-06-20 | vs SLN | 67 | L 0-2 | 33-34 | 5 | 19,469 | David Palmer | Joaquin Andujar | Joaquin Andujar | Jeff Reardon | | 252 | 247 | 5 |
| 1984-06-22 | @ NYN | 68 | W 2-1 | 34-34 | 4 | 39,586 | Bill Gullickson | Dwight Gooden | Bill Gullickson | Dwight Gooden | Gary Lucas | 254 | 248 | 6 |
| 1984-06-23 | @ NYN | 69 | L 0-2 | 34-35 | 4 | 46,301 | Charlie Lea | Bruce Berenyi | Bruce Berenyi | Charlie Lea | Doug Sisk | 254 | 250 | 4 |
| 1984-06-24 | @ NYN | 70 | W 5-3 | 35-35 | 4 | 22,633 | Bryn Smith | Ed Lynch | Bryn Smith | Ed Lynch | Gary Lucas | 259 | 253 | 6 |
| 1984-06-25 | @ SLN | 71 | L 4-5 | 35-36 | 4 | 28,436 | Steve Rogers | Joaquin Andujar | Joaquin Andujar | Steve Rogers | Bruce Sutter | 263 | 258 | 5 |
| 1984-06-26 | @ SLN | 72 | L 3-6 | 35-37 | 5 | 26,166 | David Palmer | John Stuper | John Stuper | David Palmer | Bruce Sutter | 266 | 264 | 2 |
| 1984-06-27 | @ SLN | 73 | W 4-2 | 36-37 | 4 | 31,301 | Bill Gullickson | Ralph Citarella | Bill Gullickson | Ralph Citarella | Jeff Reardon | 270 | 266 | 4 |
| 1984-06-29 | @ CIN | 74 | W 7-3 | 37-37 | 4 | 24,385 | Charlie Lea | Joe Price | Charlie Lea | Bill Scherrer | | 277 | 269 | 8 |
| 1984-06-30 | @ CIN | 75 | L 1-4 | 37-38 | 4 | 26,966 | Bryn Smith | Mario Soto | Mario Soto | Bryn Smith | | 278 | 273 | 5 |
| 1984-07-01 | @ CIN | 76 | L 1-4 | 37-39 | 4 | 26,489 | Steve Rogers | Jeff Russell | Jeff Russell | Steve Rogers | | 279 | 277 | 2 |
| 1984-07-02 | @ ATL | 77 | W 5-4 | 38-39 | 4 | 15,062 | David Palmer | Pascual Perez | David Palmer | Pascual Perez | Jeff Reardon | 284 | 281 | 3 |
| 1984-07-03 | @ ATL | 78 | L 3-5 | 38-40 | 4 | 27,402 | Bill Gullickson | Craig McMurtry | Craig McMurtry | Bill Gullickson | Donnie Moore | 287 | 286 | 1 |
| 1984-07-04 | @ ATL | 79 | W 7-4 | 39-40 | 4 | 47,431 | Charlie Lea | Steve Bedrosian | Charlie Lea | Steve Bedrosian | | 294 | 290 | 4 |
| 1984-07-05 | vs HOU | 80 | L 1-2 | 39-41 | 5 | 23,904 | Bryn Smith | Mike LaCoss | Mike LaCoss | Bryn Smith | Bill Dawley | 295 | 292 | 3 |
| 1984-07-06 | vs HOU | 81 | L 2-8 | 40-42 | 5 | 0 | Steve Rogers | Joe Niekro | Joe Niekro | Steve Rogers | | 297 | 300 | -3 |
| 1984-07-06 | vs HOU | 82 | W 7-5 | 40-42 | 5 | 27,992 | Dan Schatzeder | Vern Ruhle | Dan Schatzeder | Vern Ruhle | Bob James | 304 | 305 | -1 |
| 1984-07-07 | vs HOU | 83 | L 2-3 | 40-43 | 5 | 25,136 | David Palmer | Mike Scott | Frank DiPino | Bob James | | 306 | 308 | -2 |
| 1984-07-08 | vs HOU | 84 | W 8-5 | 41-43 | 5 | 32,853 | Bill Gullickson | Nolan Ryan | Bill Gullickson | Nolan Ryan | Gary Lucas | 314 | 313 | 1 |
| 1984-07-12 | vs CIN | 85 | W 3-1 | 42-43 | 4 | 20,370 | Bryn Smith | Joe Price | Bryn Smith | Joe Price | Jeff Reardon | 317 | 314 | 3 |
| 1984-07-13 | vs CIN | 86 | W 7-2 | 43-43 | 4 | 22,527 | Bill Gullickson | Jeff Russell | Bill Gullickson | Jeff Russell | Bob James | 324 | 316 | 8 |
| 1984-07-14 | vs CIN | 87 | W 6-2 | 44-43 | 4 | 35,147 | Charlie Lea | Mario Soto | Charlie Lea | Mario Soto | | 330 | 318 | 12 |
| 1984-07-15 | vs CIN | 88 | L 2-3 | 44-44 | 4 | 27,135 | Steve Rogers | Jay Tibbs | Jay Tibbs | Steve Rogers | Ted Power | 332 | 321 | 11 |
| 1984-07-16 | vs ATL | 89 | W 3-1 | 45-44 | 4 | 22,207 | Dan Schatzeder | Rick Camp | Dan Schatzeder | Rick Camp | Bob James | 335 | 322 | 13 |
| 1984-07-17 | vs ATL | 90 | W 2-0 | 46-44 | 4 | 27,293 | Bryn Smith | Rick Mahler | Bryn Smith | Rick Mahler | | 337 | 322 | 15 |
| 1984-07-18 | vs ATL | 91 | L 2-3 | 46-45 | 4 | 25,711 | Bill Gullickson | Pascual Perez | Steve Bedrosian | Bill Gullickson | | 339 | 325 | 14 |
| 1984-07-19 | @ HOU | 92 | L 2-3 | 46-46 | 4 | 11,296 | Charlie Lea | Mike LaCoss | Mike LaCoss | Gary Lucas | | 341 | 328 | 13 |
| 1984-07-20 | @ HOU | 93 | L 4-8 | 46-47 | 4 | 14,709 | Steve Rogers | Bob Knepper | Bob Knepper | Steve Rogers | Bill Dawley | 345 | 336 | 9 |
| 1984-07-21 | @ HOU | 94 | W 4-2 | 47-47 | 4 | 22,347 | David Palmer | Mike Scott | David Palmer | Mike Scott | Bob James | 349 | 338 | 11 |
| 1984-07-22 | @ HOU | 95 | L 1-6 | 47-48 | 4 | 15,112 | Bryn Smith | Joe Niekro | Joe Niekro | Bryn Smith | | 350 | 344 | 6 |
| 1984-07-24 | vs PIT | 96 | L 5-12 | 47-49 | 4 | 28,087 | Bill Gullickson | John Candelaria | Rod Scurry | Jeff Reardon | | 355 | 356 | -1 |
| 1984-07-25 | vs PIT | 97 | L 1-3 | 47-50 | 4 | 28,266 | Charlie Lea | Rick Rhoden | Rick Rhoden | Charlie Lea | Don Robinson | 356 | 359 | -3 |
| 1984-07-26 | vs PIT | 98 | W 5-4 | 48-50 | 4 | 17,685 | Dan Schatzeder | John Tudor | Bob James | Don Robinson | Jeff Reardon | 361 | 363 | -2 |
| 1984-07-27 | @ PHI | 99 | W 6-1 | 49-50 | 4 | 30,222 | David Palmer | Steve Carlton | David Palmer | Steve Carlton | Bob James | 367 | 364 | 3 |
| 1984-07-28 | @ PHI | 100 | W 4-1 | 50-50 | 4 | 34,303 | Bryn Smith | Shane Rawley | Bryn Smith | Shane Rawley | | 371 | 365 | 6 |
| 1984-07-29 | @ PHI | 101 | L 4-6 | 50-51 | 4 | 40,965 | Bill Gullickson | Jerry Koosman | Kevin Gross | Jeff Reardon | | 375 | 371 | 4 |
| 1984-07-30 | @ PIT | 102 | W 3-1 | 51-51 | 4 | 6,212 | Dan Schatzeder | Rick Rhoden | Bob James | Rick Rhoden | | 378 | 372 | 6 |
| 1984-07-31 | @ PIT | 103 | L 3-5 | 51-52 | 5 | 7,813 | Steve Rogers | John Tudor | John Tudor | Steve Rogers | Don Robinson | 381 | 377 | 4 |
| 1984-08-01 | @ PIT | 104 | L 0-4 | 51-53 | 5 | 8,729 | Charlie Lea | Larry McWilliams | Larry McWilliams | Charlie Lea | | 381 | 381 | 0 |
| 1984-08-02 | @ CHN | 105 | L 2-3 | 51-54 | 5 | 22,485 | Bryn Smith | Rick Sutcliffe | Rick Sutcliffe | Bryn Smith | Lee Smith | 383 | 384 | -1 |
| 1984-08-03 | @ CHN | 106 | W 6-5 | 52-54 | 5 | 28,483 | Bill Gullickson | Steve Trout | Jeff Reardon | Tim Stoddard | | 389 | 389 | 0 |
| 1984-08-04 | @ CHN | 107 | L 1-4 | 52-55 | 5 | 38,306 | Dan Schatzeder | Dennis Eckersley | Dennis Eckersley | Dan Schatzeder | George Frazier | 390 | 393 | -3 |
| 1984-08-05 | @ CHN | 108 | L 3-4 | 52-56 | 5 | 35,142 | Rick Grapenthin | Rich Bordi | Rick Reuschel | Rick Grapenthin | Lee Smith | 393 | 397 | -4 |
| 1984-08-06 | vs PHI | 109 | L 1-4 | 52-57 | 5 | 32,349 | Charlie Lea | Steve Carlton | Steve Carlton | Charlie Lea | | 394 | 401 | -7 |
| 1984-08-07 | vs PHI | 110 | L 2-6 | 53-58 | 5 | 0 | Bryn Smith | Shane Rawley | Shane Rawley | Bryn Smith | Al Holland | 396 | 407 | -11 |
| 1984-08-07 | vs PHI | 111 | W 3-2 | 53-58 | 5 | 39,271 | Steve Rogers | Kevin Gross | Jeff Reardon | Bill Campbell | | 399 | 409 | -10 |
| 1984-08-08 | vs PHI | 112 | W 3-1 | 54-58 | 5 | 25,244 | Bill Gullickson | Jerry Koosman | Bill Gullickson | Jerry Koosman | Jeff Reardon | 402 | 410 | -8 |
| 1984-08-09 | vs CHN | 113 | W 1-0 | 55-58 | 5 | 20,227 | Dan Schatzeder | Dennis Eckersley | Dan Schatzeder | George Frazier | | 403 | 410 | -7 |
| 1984-08-10 | vs CHN | 114 | W 4-2 | 56-58 | 5 | 21,566 | Joe Hesketh | Rick Reuschel | Bob James | Tim Stoddard | | 407 | 412 | -5 |
| 1984-08-11 | vs CHN | 115 | L 1-2 | 56-59 | 5 | 30,494 | Charlie Lea | Dick Ruthven | Lee Smith | Charlie Lea | | 408 | 414 | -6 |
| 1984-08-12 | vs CHN | 116 | L 3-7 | 56-60 | 5 | 28,464 | Steve Rogers | Rick Sutcliffe | Rick Sutcliffe | Steve Rogers | | 411 | 421 | -10 |
| 1984-08-14 | @ SFN | 117 | W 7-6 | 57-60 | 5 | 5,081 | Bill Gullickson | Jeff Robinson | Bill Gullickson | Mark Davis | Jeff Reardon | 418 | 427 | -9 |
| 1984-08-15 | @ SFN | 118 | W 8-3 | 58-60 | 5 | 7,991 | Dan Schatzeder | Mark Calvert | Dan Schatzeder | Mark Calvert | | 426 | 430 | -4 |
| 1984-08-16 | @ SFN | 119 | W 11-3 | 59-60 | 4 | 4,448 | Charlie Lea | Bob Lacey | Charlie Lea | Bob Lacey | | 437 | 433 | 4 |
| 1984-08-17 | @ SDN | 120 | W 8-4 | 60-60 | 4 | 17,136 | Steve Rogers | Mark Thurmond | Steve Rogers | Mark Thurmond | Jeff Reardon | 445 | 437 | 8 |
| 1984-08-19 | @ SDN | 121 | W 3-0 | 61-60 | 4 | 21,697 | Joe Hesketh | Ed Whitson | Joe Hesketh | Ed Whitson | Jeff Reardon | 448 | 437 | 11 |
| 1984-08-20 | @ LAN | 122 | W 3-1 | 62-60 | 4 | 30,601 | Bill Gullickson | Orel Hershiser | Bill Gullickson | Orel Hershiser | Gary Lucas | 451 | 438 | 13 |
| 1984-08-21 | @ LAN | 123 | L 3-4 | 62-61 | 4 | 35,149 | Dan Schatzeder | Fernando Valenzuela | Fernando Valenzuela | Dan Schatzeder | | 454 | 442 | 12 |
| 1984-08-22 | @ LAN | 124 | W 5-3 | 63-61 | 4 | 24,285 | Charlie Lea | Rick Honeycutt | Bob James | Ken Howell | Rick Grapenthin | 459 | 445 | 14 |
| 1984-08-24 | vs SDN | 125 | W 4-1 | 64-62 | 4 | 0 | Steve Rogers | Mark Thurmond | Steve Rogers | Mark Thurmond | Jeff Reardon | 463 | 446 | 17 |
| 1984-08-24 | vs SDN | 126 | L 4-5 | 64-62 | 4 | 34,626 | Joe Hesketh | Dave Dravecky | Rich Gossage | Jeff Reardon | Greg Harris | 467 | 451 | 16 |
| 1984-08-25 | vs SDN | 127 | L 3-4 | 64-63 | 4 | 29,665 | Bill Gullickson | Ed Whitson | Greg Harris | Jeff Reardon | Rich Gossage | 470 | 455 | 15 |
| 1984-08-26 | vs SDN | 128 | L 1-2 | 64-64 | 4 | 31,778 | Dan Schatzeder | Eric Show | Eric Show | Dan Schatzeder | | 471 | 457 | 14 |
| 1984-08-27 | vs SFN | 129 | L 4-5 | 64-65 | 4 | 17,529 | Charlie Lea | Bill Laskey | Frank Williams | Jeff Reardon | | 475 | 462 | 13 |
| 1984-08-28 | vs SFN | 130 | L 2-3 | 64-66 | 5 | 15,986 | Bryn Smith | Jeff Robinson | Jeff Robinson | Bryn Smith | Greg Minton | 477 | 465 | 12 |
| 1984-08-29 | vs SFN | 131 | L 3-4 | 64-67 | 5 | 10,191 | Steve Rogers | Mark Grant | Greg Minton | Rick Grapenthin | | 480 | 469 | 11 |
| 1984-08-30 | vs LAN | 132 | W 5-2 | 65-67 | 5 | 6,491 | Bill Gullickson | Bob Welch | Bill Gullickson | Bob Welch | | 485 | 471 | 14 |
| 1984-08-31 | vs LAN | 133 | W 5-2 | 66-67 | 5 | 20,097 | Dan Schatzeder | Orel Hershiser | Dan Schatzeder | Orel Hershiser | Jeff Reardon | 490 | 473 | 17 |
| 1984-09-01 | vs LAN | 134 | L 3-4 | 66-68 | 5 | 23,162 | Charlie Lea | Fernando Valenzuela | Fernando Valenzuela | Charlie Lea | Ken Howell | 493 | 477 | 16 |
| 1984-09-02 | vs LAN | 135 | W 4-0 | 67-68 | 5 | 24,160 | Bryn Smith | Rick Honeycutt | Bryn Smith | Rick Honeycutt | Bob James | 497 | 477 | 20 |
| 1984-09-03 | vs PIT | 136 | L 0-3 | 67-69 | 5 | 12,333 | Steve Rogers | Larry McWilliams | Larry McWilliams | Steve Rogers | Kent Tekulve | 497 | 480 | 17 |
| 1984-09-04 | vs PIT | 137 | L 3-5 | 67-70 | 5 | 10,184 | Bill Gullickson | Jose DeLeon | Rod Scurry | Bob James | Kent Tekulve | 500 | 485 | 15 |
| 1984-09-05 | vs CHN | 138 | W 3-1 | 68-70 | 5 | 12,623 | Dan Schatzeder | Steve Trout | David Palmer | Steve Trout | Rick Grapenthin | 503 | 486 | 17 |
| 1984-09-06 | vs CHN | 139 | L 1-4 | 68-71 | 5 | 13,089 | Charlie Lea | Dennis Eckersley | George Frazier | Charlie Lea | Lee Smith | 504 | 490 | 14 |
| 1984-09-07 | vs PHI | 140 | W 7-1 | 69-71 | 5 | 15,182 | Bryn Smith | Shane Rawley | Bryn Smith | Shane Rawley | | 511 | 491 | 20 |
| 1984-09-08 | vs PHI | 141 | W 4-0 | 70-71 | 5 | 18,140 | Steve Rogers | John Denny | Steve Rogers | John Denny | | 515 | 491 | 24 |
| 1984-09-09 | vs PHI | 142 | L 5-6 | 70-72 | 5 | 31,348 | Bill Gullickson | Steve Carlton | Larry Andersen | Joe Hesketh | Kevin Gross | 520 | 497 | 23 |
| 1984-09-10 | @ PIT | 143 | W 8-5 | 71-72 | 5 | 3,126 | David Palmer | John Candelaria | Rick Grapenthin | Lee Tunnell | Joe Hesketh | 528 | 502 | 26 |
| 1984-09-11 | @ PIT | 144 | L 1-5 | 71-73 | 5 | 2,963 | Greg Bargar | Rick Rhoden | Rick Rhoden | Greg Bargar | | 529 | 507 | 22 |
| 1984-09-12 | @ CHN | 145 | L 5-11 | 71-74 | 5 | 20,976 | Bryn Smith | Rich Bordi | Tim Stoddard | Bryn Smith | | 534 | 518 | 16 |
| 1984-09-14 | @ PHI | 146 | L 5-9 | 71-75 | 5 | 18,194 | Steve Rogers | Steve Carlton | Steve Carlton | Steve Rogers | | 539 | 527 | 12 |
| 1984-09-15 | @ PHI | 147 | W 4-3 | 72-75 | 5 | 20,831 | Bill Gullickson | Jerry Koosman | Bill Gullickson | Jerry Koosman | Bob James | 543 | 530 | 13 |
| 1984-09-16 | @ PHI | 148 | W 8-4 | 73-75 | 5 | 26,273 | Charlie Lea | Charles Hudson | Jeff Reardon | Renie Martin | Bob James | 551 | 534 | 17 |
| 1984-09-18 | @ SLN | 149 | W 7-4 | 74-75 | 5 | 15,891 | Bryn Smith | Joaquin Andujar | Bryn Smith | Joaquin Andujar | Jeff Reardon | 558 | 538 | 20 |
| 1984-09-19 | @ SLN | 150 | L 0-1 | 74-76 | 5 | 13,070 | Steve Rogers | Danny Cox | Danny Cox | Steve Rogers | | 558 | 539 | 19 |
| 1984-09-20 | @ SLN | 151 | L 2-3 | 74-77 | 5 | 11,829 | Bill Gullickson | Dave LaPoint | Dave LaPoint | Bill Gullickson | Bruce Sutter | 560 | 542 | 18 |
| 1984-09-21 | @ NYN | 152 | L 2-6 | 74-78 | 5 | 15,458 | Dan Schatzeder | Sid Fernandez | Sid Fernandez | Dan Schatzeder | | 562 | 548 | 14 |
| 1984-09-22 | @ NYN | 153 | L 2-4 | 74-79 | 5 | 27,666 | David Palmer | Bruce Berenyi | Tom Gorman | Bob James | Jesse Orosco | 564 | 552 | 12 |
| 1984-09-23 | @ NYN | 154 | L 1-6 | 74-80 | 5 | 22,171 | Joe Hesketh | Dwight Gooden | Dwight Gooden | Joe Hesketh | | 565 | 558 | 7 |
| 1984-09-24 | vs SLN | 155 | W 2-1 | 75-80 | 5 | 10,250 | Steve Rogers | Danny Cox | Jeff Reardon | Neil Allen | | 567 | 559 | 8 |
| 1984-09-25 | vs SLN | 156 | L 4-6 | 75-81 | 5 | 8,009 | Bill Gullickson | Dave LaPoint | Kevin Hagen | Bill Gullickson | Bruce Sutter | 571 | 565 | 6 |
| 1984-09-26 | vs SLN | 157 | L 0-5 | 75-82 | 5 | 6,208 | Dan Schatzeder | Kurt Kepshire | Kurt Kepshire | Dan Schatzeder | | 571 | 570 | 1 |
| 1984-09-27 | vs SLN | 158 | W 6-3 | 76-82 | 5 | 2,803 | David Palmer | Bob Forsch | David Palmer | Bob Forsch | Jeff Reardon | 577 | 573 | 4 |
| 1984-09-28 | vs NYN | 159 | W 7-0 | 77-82 | 5 | 12,164 | Joe Hesketh | Calvin Schiraldi | Joe Hesketh | Calvin Schiraldi | | 584 | 573 | 11 |
| 1984-09-29 | vs NYN | 160 | L 4-8 | 77-83 | 5 | 18,179 | Bryn Smith | Walt Terrell | Walt Terrell | Bryn Smith | | 588 | 581 | 7 |
| 1984-09-30 | vs NYN | 161 | W 5-4 | 78-83 | 5 | 14,183 | Bill Gullickson | Ron Darling | Bill Gullickson | Ron Darling | Jeff Reardon | 593 | 585 | 8 |