| 1970-04-07 | @ PHI | 1 | L 0-2 | 0-1 | 3 | 15,918 | Fergie Jenkins | Chris Short | Chris Short | Fergie Jenkins | | 0 | 2 | -2 |
| 1970-04-09 | @ PHI | 2 | L 3-5 | 0-2 | 5 | 5,075 | Ken Holtzman | Rick Wise | Bill Wilson | Ken Holtzman | Joe Hoerner | 3 | 7 | -4 |
| 1970-04-10 | @ MON | 3 | W 2-1 | 1-2 | 3 | 4,794 | Bill Hands | Joe Sparma | Hank Aguirre | Joe Sparma | Ted Abernathy | 5 | 8 | -3 |
| 1970-04-12 | @ MON | 4 | L 0-2 | 1-3 | 5 | 22,102 | Fergie Jenkins | Bill Stoneman | Bill Stoneman | Fergie Jenkins | | 5 | 10 | -5 |
| 1970-04-14 | vs PHI | 5 | W 5-4 | 2-3 | 5 | 36,316 | Ken Holtzman | Chris Short | Ken Holtzman | Chris Short | | 10 | 14 | -4 |
| 1970-04-15 | vs PHI | 6 | W 5-1 | 3-3 | 3 | 7,120 | Bill Hands | Rick Wise | Bill Hands | Rick Wise | | 15 | 15 | 0 |
| 1970-04-16 | vs PHI | 7 | W 6-5 | 4-3 | 3 | 5,341 | Joe Decker | Woodie Fryman | Hank Aguirre | Joe Hoerner | | 21 | 20 | 1 |
| 1970-04-17 | vs MON | 8 | W 8-7 | 5-3 | 2 | 6,855 | Fergie Jenkins | Bill Stoneman | Phil Regan | Claude Raymond | | 29 | 27 | 2 |
| 1970-04-18 | vs MON | 9 | W 8-1 | 6-3 | 2 | 21,890 | Ken Holtzman | Steve Renko | Ken Holtzman | Steve Renko | | 37 | 28 | 9 |
| 1970-04-21 | vs SLN | 10 | W 7-4 | 7-3 | 1 | 5,527 | Bill Hands | Bob Gibson | Bill Hands | Bob Gibson | Phil Regan | 44 | 32 | 12 |
| 1970-04-22 | vs SLN | 11 | W 7-5 | 8-3 | 1 | 8,783 | Fergie Jenkins | Mike Torrez | Fergie Jenkins | Mike Torrez | | 51 | 37 | 14 |
| 1970-04-24 | vs HOU | 12 | W 6-3 | 9-3 | 1 | 10,840 | Ken Holtzman | Tom Griffin | Ken Holtzman | Tom Griffin | | 57 | 40 | 17 |
| 1970-04-25 | vs HOU | 13 | W 11-5 | 10-3 | 1 | 25,389 | Bill Hands | Jim Bouton | Bill Hands | Jim Bouton | Hank Aguirre | 68 | 45 | 23 |
| 1970-04-26 | vs HOU | 14 | W 6-3 | 11-3 | 1 | 31,529 | Fergie Jenkins | Larry Dierker | Fergie Jenkins | Larry Dierker | | 74 | 48 | 26 |
| 1970-04-27 | @ PIT | 15 | W 1-0 | 12-3 | 1 | 6,635 | Joe Decker | Steve Blass | Joe Decker | Steve Blass | Phil Regan | 75 | 48 | 27 |
| 1970-04-28 | @ PIT | 16 | L 1-6 | 12-4 | 1 | 6,717 | Ken Holtzman | Luke Walker | Luke Walker | Ken Holtzman | Dave Giusti | 76 | 54 | 22 |
| 1970-04-29 | @ PIT | 17 | W 10-5 | 13-4 | 1 | 7,900 | Bill Hands | Bob Moose | Bill Hands | Bob Moose | Phil Regan | 86 | 59 | 27 |
| 1970-04-30 | @ ATL | 18 | L 2-9 | 13-5 | 1 | 10,907 | Fergie Jenkins | George Stone | George Stone | Fergie Jenkins | | 88 | 68 | 20 |
| 1970-05-01 | @ ATL | 19 | L 2-3 | 13-6 | 1 | 16,741 | Joe Decker | Phil Niekro | Phil Niekro | Joe Decker | | 90 | 71 | 19 |
| 1970-05-02 | @ ATL | 20 | L 2-4 | 13-7 | 1 | 16,154 | Ken Holtzman | Pat Jarvis | Pat Jarvis | Ken Holtzman | | 92 | 75 | 17 |
| 1970-05-04 | @ HOU | 21 | L 2-7 | 13-8 | 1 | 16,142 | Bill Hands | Jim Bouton | Jim Bouton | Bill Hands | | 94 | 82 | 12 |
| 1970-05-05 | @ HOU | 22 | L 1-3 | 13-9 | 1 | 15,758 | Fergie Jenkins | Larry Dierker | Larry Dierker | Fergie Jenkins | | 95 | 85 | 10 |
| 1970-05-07 | vs CIN | 23 | L 2-5 | 13-10 | 1 | 16,101 | Joe Decker | Jim McGlothlin | Jim McGlothlin | Joe Decker | Clay Carroll | 97 | 90 | 7 |
| 1970-05-08 | vs CIN | 24 | W 10-7 | 14-10 | 1 | 13,377 | Ken Holtzman | Jim Merritt | Ken Holtzman | Jim Merritt | Phil Regan | 107 | 97 | 10 |
| 1970-05-09 | vs CIN | 25 | W 8-1 | 15-10 | 1 | 33,168 | Bill Hands | Gary Nolan | Bill Hands | Gary Nolan | | 115 | 98 | 17 |
| 1970-05-10 | vs CIN | 26 | L 6-7 | 15-11 | 1 | 32,255 | Fergie Jenkins | Wayne Simpson | Clay Carroll | Fergie Jenkins | Wayne Granger | 121 | 105 | 16 |
| 1970-05-11 | vs ATL | 27 | L 6-7 | 15-12 | 1 | 5,805 | Joe Decker | Phil Niekro | Phil Niekro | Archie Reynolds | Ron Kline | 127 | 112 | 15 |
| 1970-05-12 | vs ATL | 28 | W 4-3 | 16-12 | 1 | 5,264 | Ken Holtzman | Pat Jarvis | Phil Regan | Bob Priddy | | 131 | 115 | 16 |
| 1970-05-13 | vs NYN | 29 | L 0-4 | 16-13 | 1 | 9,823 | Bill Hands | Gary Gentry | Gary Gentry | Bill Hands | | 131 | 119 | 12 |
| 1970-05-15 | @ SLN | 30 | L 0-1 | 16-14 | 1 | 24,627 | Joe Decker | Mike Torrez | Mike Torrez | Phil Regan | Billy McCool | 131 | 120 | 11 |
| 1970-05-16 | @ SLN | 31 | W 3-2 | 17-14 | 1 | 27,535 | Ken Holtzman | Steve Carlton | Ken Holtzman | Steve Carlton | Phil Regan | 134 | 122 | 12 |
| 1970-05-17 | @ SLN | 32 | L 3-4 | 17-15 | 1 | 33,799 | Fergie Jenkins | Nelson Briles | Sal Campisi | Fergie Jenkins | Chuck Taylor | 137 | 126 | 11 |
| 1970-05-18 | @ CIN | 33 | W 12-5 | 18-15 | 1 | 10,774 | Bill Hands | Ray Washburn | Bill Hands | Ray Washburn | Phil Regan | 149 | 131 | 18 |
| 1970-05-19 | @ CIN | 34 | L 1-3 | 18-16 | 1 | 13,705 | Joe Decker | Gary Nolan | Gary Nolan | Joe Decker | Wayne Granger | 150 | 134 | 16 |
| 1970-05-22 | @ NYN | 35 | W 6-4 | 19-16 | 1 | 50,586 | Ken Holtzman | Jerry Koosman | Jim Colborn | Jerry Koosman | | 156 | 138 | 18 |
| 1970-05-23 | @ NYN | 36 | W 14-8 | 20-16 | 1 | 35,500 | Fergie Jenkins | Gary Gentry | Fergie Jenkins | Gary Gentry | Phil Regan | 170 | 146 | 24 |
| 1970-05-24 | @ NYN | 37 | W 3-1 | 21-17 | 1 | 0 | Bill Hands | Tom Seaver | Bill Hands | Tom Seaver | Phil Regan | 173 | 147 | 26 |
| 1970-05-24 | @ NYN | 38 | L 1-3 | 21-17 | 1 | 53,284 | Joe Decker | Nolan Ryan | Nolan Ryan | Joe Decker | | 174 | 150 | 24 |
| 1970-05-26 | vs PIT | 39 | W 6-3 | 22-17 | 1 | 12,440 | Ken Holtzman | Steve Blass | Ken Holtzman | Steve Blass | | 180 | 153 | 27 |
| 1970-05-27 | vs PIT | 40 | L 0-4 | 22-18 | 1 | 11,002 | Fergie Jenkins | Bob Moose | Bob Moose | Fergie Jenkins | | 180 | 157 | 23 |
| 1970-05-28 | vs PIT | 41 | W 8-7 | 23-18 | 1 | 10,805 | Bill Hands | Dock Ellis | Jim Colborn | Gene Garber | | 188 | 164 | 24 |
| 1970-05-30 | vs SDN | 42 | L 4-11 | 24-19 | 1 | 0 | Ken Holtzman | Clay Kirby | Ron Herbel | Jim Dunegan | Roberto Rodriguez | 192 | 175 | 17 |
| 1970-05-30 | vs SDN | 43 | W 8-7 | 24-19 | 1 | 37,943 | Joe Decker | Pat Dobson | Phil Regan | Tom Dukes | Jim Colborn | 200 | 182 | 18 |
| 1970-05-31 | vs SDN | 44 | W 7-4 | 25-19 | 1 | 22,193 | Fergie Jenkins | Mike Corkins | Fergie Jenkins | Mike Corkins | | 207 | 186 | 21 |
| 1970-06-01 | vs LAN | 45 | L 4-5 | 25-20 | 1 | 8,185 | Bill Hands | Don Sutton | Don Sutton | Bill Hands | | 211 | 191 | 20 |
| 1970-06-03 | vs LAN | 46 | W 6-5 | 26-20 | 1 | 10,095 | Ken Holtzman | Alan Foster | Hank Aguirre | Jose Pena | | 217 | 196 | 21 |
| 1970-06-05 | vs SFN | 47 | W 12-8 | 27-20 | 1 | 21,961 | Fergie Jenkins | Juan Marichal | Fergie Jenkins | Juan Marichal | Jim Colborn | 229 | 204 | 25 |
| 1970-06-06 | vs SFN | 48 | L 3-5 | 27-21 | 1 | 33,776 | Bill Hands | Gaylord Perry | Gaylord Perry | Bill Hands | | 232 | 209 | 23 |
| 1970-06-07 | vs SFN | 49 | W 8-4 | 28-21 | 1 | 31,694 | Ken Holtzman | Rich Robertson | Phil Regan | Mike Davison | | 240 | 213 | 27 |
| 1970-06-09 | @ SDN | 50 | W 7-3 | 29-21 | 1 | 11,430 | Fergie Jenkins | Clay Kirby | Fergie Jenkins | Clay Kirby | Phil Regan | 247 | 216 | 31 |
| 1970-06-10 | @ SDN | 51 | L 8-11 | 29-22 | 1 | 6,355 | Jim Colborn | Pat Dobson | Pat Dobson | Jim Dunegan | Ron Herbel | 255 | 227 | 28 |
| 1970-06-11 | @ SDN | 52 | W 7-1 | 30-22 | 1 | 6,825 | Bill Hands | Mike Corkins | Bill Hands | Mike Corkins | | 262 | 228 | 34 |
| 1970-06-12 | @ LAN | 53 | W 2-1 | 31-22 | 1 | 22,108 | Ken Holtzman | Alan Foster | Ken Holtzman | Alan Foster | | 264 | 229 | 35 |
| 1970-06-13 | @ LAN | 54 | W 7-1 | 32-22 | 1 | 28,815 | Fergie Jenkins | Claude Osteen | Fergie Jenkins | Claude Osteen | | 271 | 230 | 41 |
| 1970-06-14 | @ LAN | 55 | L 4-5 | 32-23 | 1 | 28,756 | Joe Decker | Bill Singer | Jim Brewer | Phil Regan | | 275 | 235 | 40 |
| 1970-06-16 | @ SFN | 56 | L 2-3 | 32-24 | 1 | 7,207 | Bill Hands | Gaylord Perry | Gaylord Perry | Bill Hands | | 277 | 238 | 39 |
| 1970-06-17 | @ SFN | 57 | W 6-1 | 33-24 | 1 | 5,859 | Ken Holtzman | Skip Pitlock | Ken Holtzman | Skip Pitlock | | 283 | 239 | 44 |
| 1970-06-18 | @ SFN | 58 | W 6-0 | 34-24 | 1 | 6,340 | Fergie Jenkins | Rich Robertson | Fergie Jenkins | Rich Robertson | | 289 | 239 | 50 |
| 1970-06-19 | vs SLN | 59 | L 3-5 | 34-25 | 1 | 29,320 | Joe Decker | Chuck Taylor | Al Hrabosky | Steve Barber | | 292 | 244 | 48 |
| 1970-06-20 | vs SLN | 60 | W 8-3 | 35-25 | 1 | 27,351 | Bill Hands | Mike Torrez | Bill Hands | Mike Torrez | | 300 | 247 | 53 |
| 1970-06-21 | vs SLN | 61 | L 0-3 | 35-27 | 1 | 0 | Ken Holtzman | Steve Carlton | Steve Carlton | Ken Holtzman | | 300 | 250 | 50 |
| 1970-06-21 | vs SLN | 62 | L 2-3 | 35-27 | 1 | 36,583 | Jim Colborn | Bob Gibson | Bob Gibson | Phil Regan | | 302 | 253 | 49 |
| 1970-06-22 | vs NYN | 63 | L 5-9 | 35-28 | 1 | 24,867 | Fergie Jenkins | Gary Gentry | Ron Taylor | Fergie Jenkins | | 307 | 262 | 45 |
| 1970-06-23 | vs NYN | 64 | L 10-12 | 35-29 | 1 | 28,118 | Joe Decker | Ray Sadecki | Ron Taylor | Phil Regan | Jim McAndrew | 317 | 274 | 43 |
| 1970-06-24 | vs NYN | 65 | L 5-9 | 35-31 | 2 | 0 | Bill Hands | Tom Seaver | Tom Seaver | Bill Hands | | 322 | 283 | 39 |
| 1970-06-24 | vs NYN | 66 | L 1-6 | 35-31 | 2 | 35,071 | Archie Reynolds | Nolan Ryan | Nolan Ryan | Archie Reynolds | Tug McGraw | 323 | 289 | 34 |
| 1970-06-25 | vs NYN | 67 | L 3-8 | 35-32 | 2 | 28,015 | Ken Holtzman | Jerry Koosman | Jerry Koosman | Ken Holtzman | | 326 | 297 | 29 |
| 1970-06-27 | @ PIT | 68 | L 1-2 | 35-33 | 3 | 10,188 | Fergie Jenkins | Dock Ellis | Dock Ellis | Fergie Jenkins | | 327 | 299 | 28 |
| 1970-06-28 | @ PIT | 69 | L 2-3 | 35-35 | 3 | 0 | Bill Hands | Bob Moose | Dave Giusti | Bill Hands | Luke Walker | 329 | 302 | 27 |
| 1970-06-28 | @ PIT | 70 | L 1-4 | 35-35 | 3 | 40,918 | Milt Pappas | Jim Nelson | Jim Nelson | Milt Pappas | Dave Giusti | 330 | 306 | 24 |
| 1970-06-29 | @ SLN | 71 | L 6-8 | 35-36 | 4 | 28,910 | Ken Holtzman | Steve Carlton | Steve Carlton | Phil Regan | | 336 | 314 | 22 |
| 1970-06-30 | @ SLN | 72 | L 4-5 | 35-37 | 4 | 34,039 | Joe Decker | Bob Gibson | Bob Gibson | Larry Gura | | 340 | 319 | 21 |
| 1970-07-01 | @ SLN | 73 | W 5-0 | 36-37 | 4 | 26,006 | Fergie Jenkins | Jerry Reuss | Fergie Jenkins | Jerry Reuss | | 345 | 319 | 26 |
| 1970-07-03 | vs PIT | 74 | L 14-16 | 36-38 | 4 | 26,602 | Bill Hands | Jim Nelson | Dave Giusti | Phil Regan | | 359 | 335 | 24 |
| 1970-07-04 | vs PIT | 75 | L 6-10 | 37-39 | 4 | 0 | Ken Holtzman | Steve Blass | Steve Blass | Ken Holtzman | Luke Walker | 365 | 345 | 20 |
| 1970-07-04 | vs PIT | 76 | W 7-2 | 37-39 | 4 | 26,634 | Milt Pappas | Bob Veale | Milt Pappas | Bob Veale | Larry Gura | 372 | 347 | 25 |
| 1970-07-05 | vs PIT | 77 | L 2-5 | 37-40 | 4 | 25,569 | Fergie Jenkins | Dock Ellis | Dock Ellis | Fergie Jenkins | | 374 | 352 | 22 |
| 1970-07-06 | vs MON | 78 | W 3-2 | 39-40 | 3 | 0 | Bill Hands | Carl Morton | Bill Hands | Carl Morton | Roberto Rodriguez | 377 | 354 | 23 |
| 1970-07-06 | vs MON | 79 | W 14-2 | 39-40 | 3 | 19,743 | Joe Decker | Mike Wegener | Joe Decker | Mike Wegener | | 391 | 356 | 35 |
| 1970-07-07 | vs MON | 80 | W 10-7 | 40-40 | 3 | 18,884 | Larry Gura | Howie Reed | Roberto Rodriguez | Howie Reed | Jim Colborn | 401 | 363 | 38 |
| 1970-07-08 | vs MON | 81 | W 5-1 | 41-41 | 3 | 0 | Milt Pappas | Steve Renko | Milt Pappas | Steve Renko | | 406 | 364 | 42 |
| 1970-07-08 | vs MON | 82 | L 4-5 | 41-41 | 3 | 33,858 | Ken Holtzman | Bill Stoneman | Dan McGinn | Ken Holtzman | Claude Raymond | 410 | 369 | 41 |
| 1970-07-10 | vs PHI | 83 | W 2-0 | 42-41 | 3 | 22,399 | Fergie Jenkins | Grant Jackson | Fergie Jenkins | Grant Jackson | | 412 | 369 | 43 |
| 1970-07-11 | vs PHI | 84 | L 4-10 | 42-42 | 3 | 25,972 | Bill Hands | Jim Bunning | Joe Hoerner | Roberto Rodriguez | Barry Lersch | 416 | 379 | 37 |
| 1970-07-12 | vs PHI | 85 | W 10-2 | 43-42 | 3 | 28,270 | Ken Holtzman | Chris Short | Ken Holtzman | Chris Short | | 426 | 381 | 45 |
| 1970-07-16 | @ HOU | 86 | L 1-2 | 43-43 | 3 | 18,466 | Ken Holtzman | Don Wilson | Don Wilson | Ken Holtzman | Jim Ray | 427 | 383 | 44 |
| 1970-07-17 | @ HOU | 87 | L 2-5 | 43-44 | 3 | 18,207 | Fergie Jenkins | Larry Dierker | Larry Dierker | Fergie Jenkins | | 429 | 388 | 41 |
| 1970-07-18 | @ HOU | 88 | W 7-3 | 44-44 | 3 | 25,448 | Bill Hands | Jack Billingham | Bill Hands | Jack Billingham | Jim Colborn | 436 | 391 | 45 |
| 1970-07-19 | @ HOU | 89 | W 7-1 | 45-44 | 3 | 21,293 | Milt Pappas | Tom Griffin | Milt Pappas | Tom Griffin | | 443 | 392 | 51 |
| 1970-07-20 | @ ATL | 90 | L 1-3 | 45-46 | 3 | 0 | Ken Holtzman | Phil Niekro | Phil Niekro | Ken Holtzman | | 444 | 395 | 49 |
| 1970-07-20 | @ ATL | 91 | L 0-5 | 45-46 | 3 | 24,663 | Joe Decker | Don Cardwell | Don Cardwell | Joe Decker | | 444 | 400 | 44 |
| 1970-07-21 | @ ATL | 92 | W 8-2 | 46-46 | 3 | 8,118 | Fergie Jenkins | Pat Jarvis | Fergie Jenkins | Pat Jarvis | | 452 | 402 | 50 |
| 1970-07-22 | vs CIN | 93 | W 10-2 | 47-46 | 3 | 37,848 | Bill Hands | Jim Merritt | Bill Hands | Jim Merritt | | 462 | 404 | 58 |
| 1970-07-23 | vs CIN | 94 | W 1-0 | 48-46 | 3 | 30,891 | Milt Pappas | Jim McGlothlin | Milt Pappas | Clay Carroll | | 463 | 404 | 59 |
| 1970-07-24 | vs ATL | 95 | W 11-1 | 49-46 | 3 | 26,224 | Ken Holtzman | Ron Reed | Ken Holtzman | Ron Reed | | 474 | 405 | 69 |
| 1970-07-25 | vs ATL | 96 | L 0-9 | 49-47 | 3 | 31,555 | Fergie Jenkins | Phil Niekro | Phil Niekro | Fergie Jenkins | | 474 | 414 | 60 |
| 1970-07-26 | vs ATL | 97 | L 3-8 | 50-48 | 3 | 0 | Bill Hands | Pat Jarvis | Pat Jarvis | Bill Hands | Hoyt Wilhelm | 477 | 422 | 55 |
| 1970-07-26 | vs ATL | 98 | W 7-6 | 50-48 | 3 | 39,189 | Jim Colborn | Don Cardwell | Jim Colborn | Don Cardwell | Roberto Rodriguez | 484 | 428 | 56 |
| 1970-07-28 | vs HOU | 99 | L 4-10 | 50-49 | 3 | 23,159 | Milt Pappas | Jack Billingham | Jack Billingham | Milt Pappas | Jim Ray | 488 | 438 | 50 |
| 1970-07-29 | vs HOU | 100 | W 9-2 | 51-49 | 3 | 22,881 | Ken Holtzman | Larry Dierker | Ken Holtzman | Larry Dierker | | 497 | 440 | 57 |
| 1970-07-30 | vs HOU | 101 | W 6-3 | 52-49 | 3 | 22,003 | Fergie Jenkins | Tom Griffin | Fergie Jenkins | Tom Griffin | | 503 | 443 | 60 |
| 1970-07-31 | @ CIN | 102 | W 7-1 | 54-49 | 3 | 0 | Bill Hands | Wayne Simpson | Bill Hands | Wayne Simpson | | 510 | 444 | 66 |
| 1970-07-31 | @ CIN | 103 | W 11-7 | 54-49 | 3 | 50,056 | Jim Colborn | Jim Merritt | Roberto Rodriguez | Jim Merritt | | 521 | 451 | 70 |
| 1970-08-01 | @ CIN | 104 | L 4-6 | 54-50 | 3 | 46,476 | Milt Pappas | Jim McGlothlin | Wayne Granger | Phil Regan | | 525 | 457 | 68 |
| 1970-08-02 | @ CIN | 105 | L 3-4 | 54-51 | 3 | 43,005 | Ken Holtzman | Gary Nolan | Wayne Granger | Jim Colborn | | 528 | 461 | 67 |
| 1970-08-03 | @ NYN | 106 | W 6-1 | 55-51 | 3 | 50,669 | Fergie Jenkins | Jerry Koosman | Fergie Jenkins | Jerry Koosman | | 534 | 462 | 72 |
| 1970-08-04 | @ NYN | 107 | L 0-4 | 55-52 | 3 | 42,786 | Joe Decker | Nolan Ryan | Nolan Ryan | Joe Decker | | 534 | 466 | 68 |
| 1970-08-05 | @ MON | 108 | L 2-6 | 56-53 | 3 | 0 | Milt Pappas | Mike Wegener | Mike Wegener | Milt Pappas | | 536 | 472 | 64 |
| 1970-08-05 | @ MON | 109 | W 11-3 | 56-53 | 3 | 26,662 | Larry Gura | Steve Renko | Larry Gura | Steve Renko | | 547 | 475 | 72 |
| 1970-08-06 | @ MON | 110 | W 4-2 | 57-53 | 3 | 25,622 | Ken Holtzman | Carl Morton | Ken Holtzman | Carl Morton | | 551 | 477 | 74 |
| 1970-08-07 | @ PHI | 111 | L 1-4 | 57-54 | 3 | 8,123 | Fergie Jenkins | Grant Jackson | Grant Jackson | Fergie Jenkins | Dick Selma | 552 | 481 | 71 |
| 1970-08-08 | @ PHI | 112 | L 3-6 | 57-55 | 3 | 10,964 | Bill Hands | Chris Short | Chris Short | Bill Hands | | 555 | 487 | 68 |
| 1970-08-09 | @ PHI | 113 | W 4-1 | 58-56 | 3 | 0 | Milt Pappas | Rick Wise | Milt Pappas | Rick Wise | Phil Regan | 559 | 488 | 71 |
| 1970-08-09 | @ PHI | 114 | L 1-6 | 58-56 | 3 | 19,907 | Larry Gura | Barry Lersch | Barry Lersch | Larry Gura | | 560 | 494 | 66 |
| 1970-08-11 | vs SFN | 115 | W 4-1 | 59-56 | 3 | 33,931 | Fergie Jenkins | Frank Reberger | Fergie Jenkins | Frank Reberger | | 564 | 495 | 69 |
| 1970-08-12 | vs SFN | 116 | L 3-6 | 59-57 | 3 | 32,462 | Bill Hands | Ron Bryant | Don Carrithers | Bill Hands | Don McMahon | 567 | 501 | 66 |
| 1970-08-13 | vs SFN | 117 | W 6-3 | 60-57 | 3 | 24,206 | Milt Pappas | Gaylord Perry | Milt Pappas | Gaylord Perry | | 573 | 504 | 69 |
| 1970-08-14 | vs LAN | 118 | L 9-13 | 60-58 | 3 | 27,897 | Jim Colborn | Don Sutton | Fred Norman | Larry Gura | Charlie Hough | 582 | 517 | 65 |
| 1970-08-15 | vs LAN | 119 | L 7-9 | 61-59 | 3 | 0 | Fergie Jenkins | Alan Foster | Pete Mikkelsen | Fergie Jenkins | | 589 | 526 | 63 |
| 1970-08-15 | vs LAN | 120 | W 13-2 | 61-59 | 3 | 35,345 | Ken Holtzman | Joe Moeller | Ken Holtzman | Joe Moeller | | 602 | 528 | 74 |
| 1970-08-16 | vs LAN | 121 | W 5-2 | 62-59 | 3 | 33,065 | Bill Hands | Claude Osteen | Bill Hands | Claude Osteen | | 607 | 530 | 77 |
| 1970-08-17 | vs SDN | 122 | W 7-0 | 63-59 | 3 | 21,370 | Milt Pappas | Clay Kirby | Milt Pappas | Clay Kirby | | 614 | 530 | 84 |
| 1970-08-18 | vs SDN | 123 | L 3-11 | 63-60 | 3 | 17,295 | Joe Decker | Pat Dobson | Pat Dobson | Joe Decker | | 617 | 541 | 76 |
| 1970-08-19 | vs SDN | 124 | W 12-2 | 64-60 | 3 | 25,933 | Fergie Jenkins | Dave Roberts | Fergie Jenkins | Dave Roberts | | 629 | 543 | 86 |
| 1970-08-21 | @ SFN | 125 | L 1-5 | 64-61 | 3 | 7,086 | Bill Hands | Frank Reberger | Frank Reberger | Bill Hands | | 630 | 548 | 82 |
| 1970-08-22 | @ SFN | 126 | W 15-0 | 65-61 | 3 | 11,046 | Ken Holtzman | Gaylord Perry | Ken Holtzman | Gaylord Perry | | 645 | 548 | 97 |
| 1970-08-23 | @ SFN | 127 | L 3-4 | 65-62 | 3 | 12,222 | Milt Pappas | Juan Marichal | Juan Marichal | Milt Pappas | | 648 | 552 | 96 |
| 1970-08-24 | @ LAN | 128 | W 4-2 | 66-62 | 3 | 17,763 | Fergie Jenkins | Sandy Vance | Fergie Jenkins | Sandy Vance | | 652 | 554 | 98 |
| 1970-08-25 | @ LAN | 129 | L 1-4 | 66-63 | 3 | 21,627 | Bill Hands | Joe Moeller | Joe Moeller | Bill Hands | Jim Brewer | 653 | 558 | 95 |
| 1970-08-26 | @ LAN | 130 | L 5-8 | 66-64 | 3 | 18,998 | Ken Holtzman | Claude Osteen | Claude Osteen | Ken Holtzman | Jim Brewer | 658 | 566 | 92 |
| 1970-08-27 | @ SDN | 131 | W 5-1 | 67-64 | 3 | 5,151 | Milt Pappas | Earl Wilson | Milt Pappas | Earl Wilson | | 663 | 567 | 96 |
| 1970-08-28 | @ SDN | 132 | W 8-4 | 68-64 | 3 | 7,897 | Fergie Jenkins | Clay Kirby | Fergie Jenkins | Paul Doyle | | 671 | 571 | 100 |
| 1970-08-30 | @ SDN | 133 | W 3-0 | 69-64 | 2 | 7,521 | Bill Hands | Dave Roberts | Bill Hands | Dave Roberts | | 674 | 571 | 103 |
| 1970-09-01 | vs PHI | 134 | L 2-3 | 69-65 | 3 | 23,992 | Ken Holtzman | Jim Bunning | Woodie Fryman | Phil Regan | Chris Short | 676 | 574 | 102 |
| 1970-09-02 | vs PHI | 135 | W 17-2 | 70-65 | 3 | 16,234 | Milt Pappas | Grant Jackson | Milt Pappas | Grant Jackson | Bob Miller | 693 | 576 | 117 |
| 1970-09-03 | vs PHI | 136 | W 7-2 | 71-65 | 2 | 10,675 | Fergie Jenkins | Chris Short | Fergie Jenkins | Chris Short | | 700 | 578 | 122 |
| 1970-09-04 | vs NYN | 137 | W 7-4 | 72-65 | 2 | 29,327 | Bill Hands | Nolan Ryan | Roberto Rodriguez | Danny Frisella | Bob Miller | 707 | 582 | 125 |
| 1970-09-05 | vs NYN | 138 | L 3-5 | 72-66 | 2 | 37,821 | Ken Holtzman | Jerry Koosman | Jerry Koosman | Ken Holtzman | Tug McGraw | 710 | 587 | 123 |
| 1970-09-07 | @ PIT | 139 | L 3-8 | 73-67 | 3 | 0 | Milt Pappas | Bob Moose | Bob Moose | Milt Pappas | | 713 | 595 | 118 |
| 1970-09-07 | @ PIT | 140 | W 9-2 | 73-67 | 3 | 42,556 | Fergie Jenkins | Bob Veale | Fergie Jenkins | Bob Veale | | 722 | 597 | 125 |
| 1970-09-08 | @ PIT | 141 | W 10-3 | 74-67 | 3 | 6,777 | Bill Hands | Steve Blass | Bill Hands | Steve Blass | | 732 | 600 | 132 |
| 1970-09-09 | vs MON | 142 | L 2-3 | 74-68 | 3 | 10,644 | Ken Holtzman | Bill Stoneman | Mike Marshall | Roberto Rodriguez | | 734 | 603 | 131 |
| 1970-09-10 | vs MON | 143 | W 9-3 | 75-68 | 3 | 8,624 | Milt Pappas | John O'Donoghue | Milt Pappas | John O'Donoghue | Juan Pizarro | 743 | 606 | 137 |
| 1970-09-12 | vs PIT | 144 | L 4-5 | 75-69 | 3 | 33,199 | Fergie Jenkins | Bob Moose | Bob Moose | Fergie Jenkins | Dave Giusti | 747 | 611 | 136 |
| 1970-09-13 | vs PIT | 145 | W 3-2 | 76-69 | 3 | 22,567 | Bill Hands | Steve Blass | Bill Hands | Steve Blass | | 750 | 613 | 137 |
| 1970-09-15 | vs SLN | 146 | W 5-3 | 77-69 | 2 | 13,727 | Ken Holtzman | Steve Carlton | Ken Holtzman | Steve Carlton | Phil Regan | 755 | 616 | 139 |
| 1970-09-16 | vs SLN | 147 | L 1-8 | 77-70 | 2 | 21,121 | Milt Pappas | Bob Gibson | Bob Gibson | Milt Pappas | | 756 | 624 | 132 |
| 1970-09-17 | vs SLN | 148 | L 2-9 | 77-71 | 3 | 16,605 | Bill Hands | Jerry Reuss | Jerry Reuss | Bill Hands | | 758 | 633 | 125 |
| 1970-09-18 | @ MON | 149 | W 3-2 | 79-71 | 2 | 0 | Fergie Jenkins | Bill Stoneman | Fergie Jenkins | Bill Stoneman | | 761 | 635 | 126 |
| 1970-09-18 | @ MON | 150 | W 5-4 | 79-71 | 2 | 27,898 | Bob Miller | Mike Wegener | Phil Regan | John O'Donoghue | Bill Hands | 766 | 639 | 127 |
| 1970-09-19 | @ MON | 151 | W 8-4 | 80-71 | 2 | 20,051 | Ken Holtzman | Carl Morton | Ken Holtzman | Carl Morton | Phil Regan | 774 | 643 | 131 |
| 1970-09-20 | @ MON | 152 | L 4-6 | 80-72 | 2 | 22,274 | Milt Pappas | Steve Renko | Howie Reed | Phil Regan | | 778 | 649 | 129 |
| 1970-09-23 | @ SLN | 153 | L 1-2 | 80-74 | 3 | 0 | Fergie Jenkins | Bob Gibson | Bob Gibson | Fergie Jenkins | | 779 | 651 | 128 |
| 1970-09-23 | @ SLN | 154 | L 1-2 | 80-74 | 3 | 21,340 | Bill Hands | Jerry Reuss | Jerry Reuss | Bill Hands | | 780 | 653 | 127 |
| 1970-09-24 | @ SLN | 155 | W 7-1 | 81-74 | 2 | 15,955 | Ken Holtzman | Mike Torrez | Ken Holtzman | Mike Torrez | | 787 | 654 | 133 |
| 1970-09-25 | @ PHI | 156 | L 3-5 | 81-75 | 2 | 6,108 | Milt Pappas | Rick Wise | Rick Wise | Milt Pappas | | 790 | 659 | 131 |
| 1970-09-26 | @ PHI | 157 | L 1-7 | 81-76 | 2 | 4,616 | Bill Hands | Barry Lersch | Barry Lersch | Bill Hands | | 791 | 666 | 125 |
| 1970-09-27 | @ PHI | 158 | W 5-3 | 82-76 | 2 | 4,377 | Fergie Jenkins | Jim Bunning | Fergie Jenkins | Jim Bunning | | 796 | 669 | 127 |
| 1970-09-28 | @ NYN | 159 | L 3-6 | 82-77 | 2 | 21,670 | Ken Holtzman | Gary Gentry | Danny Frisella | Hoyt Wilhelm | | 799 | 675 | 124 |
| 1970-09-29 | @ NYN | 160 | L 1-3 | 82-78 | 3 | 26,832 | Milt Pappas | Jerry Koosman | Jerry Koosman | Milt Pappas | | 800 | 678 | 122 |
| 1970-09-30 | @ NYN | 161 | W 2-0 | 83-78 | 2 | 6,895 | Bill Hands | Nolan Ryan | Bill Hands | Nolan Ryan | | 802 | 678 | 124 |
| 1970-10-01 | @ NYN | 162 | W 4-1 | 84-78 | 2 | 48,314 | Fergie Jenkins | Jim McAndrew | Fergie Jenkins | Jim McAndrew | | 806 | 679 | 127 |