| 1970-04-07 | vs ATL | 1 | W 8-3 | 1-0 | 3 | 25,125 | Pat Dobson | Phil Niekro | Pat Dobson | Phil Niekro | Ron Herbel | 8 | 3 | 5 |
| 1970-04-08 | vs ATL | 2 | L 1-6 | 1-1 | 4 | 6,187 | Al Santorini | Pat Jarvis | Pat Jarvis | Al Santorini | | 9 | 9 | 0 |
| 1970-04-09 | vs ATL | 3 | L 1-6 | 1-2 | 5 | 5,818 | Clay Kirby | Jim Nash | Jim Nash | Clay Kirby | | 10 | 15 | -5 |
| 1970-04-10 | @ LAN | 4 | W 7-2 | 2-2 | 4 | 14,365 | Mike Corkins | Alan Foster | Dave Roberts | Alan Foster | | 17 | 17 | 0 |
| 1970-04-11 | @ LAN | 5 | W 4-0 | 3-2 | 4 | 18,104 | Danny Coombs | Claude Osteen | Danny Coombs | Claude Osteen | Ron Herbel | 21 | 17 | 4 |
| 1970-04-12 | @ LAN | 6 | L 0-6 | 3-3 | 5 | 15,939 | Pat Dobson | Bill Singer | Bill Singer | Pat Dobson | | 21 | 23 | -2 |
| 1970-04-13 | @ CIN | 7 | W 3-1 | 4-3 | 3 | 6,012 | Al Santorini | Jim McGlothlin | Al Santorini | Jim McGlothlin | Ron Herbel | 24 | 24 | 0 |
| 1970-04-14 | @ CIN | 8 | L 1-6 | 4-4 | 4 | 4,985 | Clay Kirby | Wayne Simpson | Wayne Simpson | Clay Kirby | Wayne Granger | 25 | 30 | -5 |
| 1970-04-15 | @ ATL | 9 | L 5-7 | 4-5 | 5 | 5,457 | Mike Corkins | George Stone | George Stone | Mike Corkins | Bob Priddy | 30 | 37 | -7 |
| 1970-04-16 | @ ATL | 10 | W 5-4 | 5-5 | 4 | 5,358 | Pat Dobson | Phil Niekro | Gary Ross | Phil Niekro | Tom Dukes | 35 | 41 | -6 |
| 1970-04-17 | @ HOU | 11 | L 1-4 | 5-6 | 5 | 10,737 | Dave Roberts | Larry Dierker | Larry Dierker | Dave Roberts | | 36 | 45 | -9 |
| 1970-04-18 | @ HOU | 12 | L 3-4 | 5-7 | 5 | 16,522 | Danny Coombs | Denny Lemaster | Denny Lemaster | Gary Ross | | 39 | 49 | -10 |
| 1970-04-19 | @ HOU | 13 | L 1-5 | 5-8 | 6 | 13,344 | Al Santorini | Tom Griffin | Tom Griffin | Al Santorini | | 40 | 54 | -14 |
| 1970-04-21 | @ NYN | 14 | W 5-3 | 6-8 | 4 | 7,712 | Clay Kirby | Gary Gentry | Ron Herbel | Cal Koonce | | 45 | 57 | -12 |
| 1970-04-22 | @ NYN | 15 | L 1-2 | 6-9 | 5 | 14,197 | Mike Corkins | Tom Seaver | Tom Seaver | Mike Corkins | | 46 | 59 | -13 |
| 1970-04-24 | vs PHI | 16 | L 4-5 | 6-10 | 6 | 7,398 | Pat Dobson | Grant Jackson | Grant Jackson | Pat Dobson | Dick Selma | 50 | 64 | -14 |
| 1970-04-25 | vs PHI | 17 | L 0-1 | 6-11 | 6 | 9,144 | Al Santorini | Jim Bunning | Jim Bunning | Al Santorini | Dick Selma | 50 | 65 | -15 |
| 1970-04-26 | vs PHI | 18 | L 2-3 | 6-12 | 6 | 14,480 | Clay Kirby | Chris Short | Chris Short | Dave Roberts | Dick Selma | 52 | 68 | -16 |
| 1970-04-28 | vs MON | 19 | L 2-4 | 6-14 | 6 | 0 | Mike Corkins | Gary Waslewski | Howie Reed | Mike Corkins | Claude Raymond | 54 | 72 | -18 |
| 1970-04-28 | vs MON | 20 | L 3-7 | 6-14 | 6 | 3,507 | Danny Coombs | Steve Renko | Steve Renko | Danny Coombs | | 57 | 79 | -22 |
| 1970-04-29 | vs MON | 21 | W 10-0 | 7-14 | 6 | 1,753 | Pat Dobson | Joe Sparma | Pat Dobson | Joe Sparma | | 67 | 79 | -12 |
| 1970-05-01 | vs NYN | 22 | L 1-2 | 7-15 | 6 | 18,176 | Al Santorini | Tom Seaver | Tom Seaver | Al Santorini | | 68 | 81 | -13 |
| 1970-05-02 | vs NYN | 23 | W 5-4 | 8-15 | 6 | 6,465 | Clay Kirby | Jim McAndrew | Clay Kirby | Jim McAndrew | Ron Herbel | 73 | 85 | -12 |
| 1970-05-03 | vs NYN | 24 | W 4-3 | 9-16 | 6 | 0 | Mike Corkins | Jerry Koosman | Dave Roberts | Cal Koonce | | 77 | 88 | -11 |
| 1970-05-03 | vs NYN | 25 | L 2-3 | 9-16 | 6 | 19,657 | Pat Dobson | Gary Gentry | Gary Gentry | Pat Dobson | Tug McGraw | 79 | 91 | -12 |
| 1970-05-05 | @ PHI | 26 | W 11-8 | 10-16 | 6 | 4,382 | Al Santorini | Grant Jackson | Dave Roberts | Dick Selma | | 90 | 99 | -9 |
| 1970-05-06 | @ PHI | 27 | L 3-4 | 10-17 | 6 | 2,263 | Clay Kirby | Jim Bunning | Dick Selma | Clay Kirby | Joe Hoerner | 93 | 103 | -10 |
| 1970-05-07 | @ PHI | 28 | W 8-2 | 11-17 | 6 | 2,045 | Pat Dobson | Chris Short | Pat Dobson | Chris Short | Ron Herbel | 101 | 105 | -4 |
| 1970-05-08 | @ MON | 29 | W 11-1 | 12-18 | 6 | 0 | Mike Corkins | Gary Waslewski | Mike Corkins | Gary Waslewski | | 112 | 106 | 6 |
| 1970-05-08 | @ MON | 30 | L 6-7 | 12-18 | 6 | 22,702 | Al Santorini | Steve Renko | Claude Raymond | Gary Ross | | 118 | 113 | 5 |
| 1970-05-09 | @ MON | 31 | W 6-0 | 13-18 | 6 | 21,031 | Danny Coombs | Bill Stoneman | Danny Coombs | Bill Stoneman | | 124 | 113 | 11 |
| 1970-05-10 | @ MON | 32 | W 5-4 | 14-18 | 6 | 13,429 | Clay Kirby | Joe Sparma | Clay Kirby | Howie Reed | Dave Roberts | 129 | 117 | 12 |
| 1970-05-11 | vs SFN | 33 | L 5-6 | 14-19 | 6 | 9,064 | Pat Dobson | Gaylord Perry | Gaylord Perry | Gary Ross | Mike McCormick | 134 | 123 | 11 |
| 1970-05-12 | vs SFN | 34 | W 6-5 | 15-19 | 6 | 7,716 | Mike Corkins | Migel Puente | Mike Corkins | Migel Puente | Tom Dukes | 140 | 128 | 12 |
| 1970-05-13 | vs SFN | 35 | L 1-5 | 15-20 | 6 | 7,447 | Danny Coombs | Rich Robertson | Rich Robertson | Danny Coombs | | 141 | 133 | 8 |
| 1970-05-14 | vs HOU | 36 | L 1-3 | 15-21 | 6 | 2,522 | Clay Kirby | Larry Dierker | Larry Dierker | Clay Kirby | | 142 | 136 | 6 |
| 1970-05-15 | vs HOU | 37 | W 10-8 | 16-21 | 6 | 9,692 | Dave Roberts | Scipio Spinks | Danny Coombs | Jim Ray | | 152 | 144 | 8 |
| 1970-05-16 | vs HOU | 38 | L 7-9 | 16-22 | 6 | 8,432 | Pat Dobson | Don Wilson | Jack Billingham | Pat Dobson | Fred Gladding | 159 | 153 | 6 |
| 1970-05-17 | vs HOU | 39 | W 5-3 | 17-22 | 6 | 8,957 | Mike Corkins | Denny Lemaster | Mike Corkins | Denny Lemaster | Ron Herbel | 164 | 156 | 8 |
| 1970-05-18 | vs LAN | 40 | L 3-4 | 17-23 | 6 | 8,218 | Danny Coombs | Sandy Vance | Sandy Vance | Danny Coombs | Joe Moeller | 167 | 160 | 7 |
| 1970-05-19 | vs LAN | 41 | L 3-8 | 17-24 | 6 | 9,190 | Clay Kirby | Don Sutton | Don Sutton | Clay Kirby | | 170 | 168 | 2 |
| 1970-05-20 | vs LAN | 42 | W 10-4 | 18-24 | 6 | 9,950 | Dave Roberts | Alan Foster | Dave Roberts | Alan Foster | Pat Dobson | 180 | 172 | 8 |
| 1970-05-22 | @ SFN | 43 | L 4-9 | 18-25 | 6 | 4,334 | Mike Corkins | Rich Robertson | Rich Robertson | Mike Corkins | | 184 | 181 | 3 |
| 1970-05-23 | @ SFN | 44 | W 17-16 | 19-25 | 6 | 15,536 | Clay Kirby | Juan Marichal | Danny Coombs | Migel Puente | | 201 | 197 | 4 |
| 1970-05-24 | @ SFN | 45 | L 1-6 | 19-27 | 6 | 0 | Ron Herbel | Gaylord Perry | Gaylord Perry | Ron Herbel | | 202 | 203 | -1 |
| 1970-05-24 | @ SFN | 46 | L 6-7 | 19-27 | 6 | 11,803 | Pat Dobson | Mike McCormick | Mike McCormick | Pat Dobson | Frank Reberger | 208 | 210 | -2 |
| 1970-05-25 | vs CIN | 47 | L 1-2 | 19-28 | 6 | 5,065 | Clay Kirby | Jim McGlothlin | Jim McGlothlin | Clay Kirby | Wayne Granger | 209 | 212 | -3 |
| 1970-05-26 | vs CIN | 48 | W 8-1 | 21-28 | 6 | 0 | Mike Corkins | Jim Merritt | Mike Corkins | Jim Merritt | Tom Dukes | 217 | 213 | 4 |
| 1970-05-26 | vs CIN | 49 | W 4-1 | 21-28 | 6 | 11,722 | Danny Coombs | Pedro Borbon | Danny Coombs | Pedro Borbon | Roberto Rodriguez | 221 | 214 | 7 |
| 1970-05-27 | vs CIN | 50 | L 4-6 | 21-29 | 6 | 7,101 | Gary Ross | Wayne Simpson | Clay Carroll | Tom Dukes | Wayne Granger | 225 | 220 | 5 |
| 1970-05-30 | @ CHN | 51 | W 11-4 | 22-30 | 6 | 0 | Clay Kirby | Ken Holtzman | Ron Herbel | Jim Dunegan | Roberto Rodriguez | 236 | 224 | 12 |
| 1970-05-30 | @ CHN | 52 | L 7-8 | 22-30 | 6 | 37,943 | Pat Dobson | Joe Decker | Phil Regan | Tom Dukes | Jim Colborn | 243 | 232 | 11 |
| 1970-05-31 | @ CHN | 53 | L 4-7 | 22-31 | 6 | 22,193 | Mike Corkins | Fergie Jenkins | Fergie Jenkins | Mike Corkins | | 247 | 239 | 8 |
| 1970-06-01 | @ PIT | 54 | L 1-5 | 22-32 | 6 | 5,036 | Danny Coombs | Dock Ellis | Dock Ellis | Danny Coombs | | 248 | 244 | 4 |
| 1970-06-02 | @ PIT | 55 | W 14-8 | 23-32 | 6 | 4,747 | Gary Ross | Bob Veale | Ron Herbel | Bob Veale | Tom Dukes | 262 | 252 | 10 |
| 1970-06-05 | @ SLN | 56 | W 3-2 | 24-32 | 6 | 14,856 | Pat Dobson | Mike Torrez | Pat Dobson | Mike Torrez | Roberto Rodriguez | 265 | 254 | 11 |
| 1970-06-06 | @ SLN | 57 | W 5-4 | 25-32 | 6 | 49,027 | Mike Corkins | Steve Carlton | Ron Herbel | Steve Carlton | Tom Dukes | 270 | 258 | 12 |
| 1970-06-07 | @ SLN | 58 | L 7-10 | 25-33 | 6 | 18,474 | Danny Coombs | Bob Gibson | Bob Gibson | Ron Herbel | Ted Abernathy | 277 | 268 | 9 |
| 1970-06-09 | vs CHN | 59 | L 3-7 | 25-34 | 6 | 11,430 | Clay Kirby | Fergie Jenkins | Fergie Jenkins | Clay Kirby | Phil Regan | 280 | 275 | 5 |
| 1970-06-10 | vs CHN | 60 | W 11-8 | 26-34 | 6 | 6,355 | Pat Dobson | Jim Colborn | Pat Dobson | Jim Dunegan | Ron Herbel | 291 | 283 | 8 |
| 1970-06-11 | vs CHN | 61 | L 1-7 | 26-35 | 6 | 6,825 | Mike Corkins | Bill Hands | Bill Hands | Mike Corkins | | 292 | 290 | 2 |
| 1970-06-12 | vs PIT | 62 | L 0-2 | 27-36 | 6 | 0 | Dave Roberts | Dock Ellis | Dock Ellis | Dave Roberts | | 292 | 292 | 0 |
| 1970-06-12 | vs PIT | 63 | W 5-2 | 27-36 | 6 | 9,903 | Danny Coombs | Bob Veale | Danny Coombs | Bob Veale | | 297 | 294 | 3 |
| 1970-06-13 | vs PIT | 64 | L 2-7 | 27-37 | 6 | 7,105 | Al Santorini | Steve Blass | Steve Blass | Al Santorini | | 299 | 301 | -2 |
| 1970-06-14 | vs PIT | 65 | W 2-1 | 28-37 | 6 | 15,781 | Clay Kirby | Bob Moose | Clay Kirby | Bob Moose | | 301 | 302 | -1 |
| 1970-06-15 | vs SLN | 66 | L 4-5 | 28-38 | 6 | 5,324 | Pat Dobson | Mike Torrez | Mike Torrez | Pat Dobson | | 305 | 307 | -2 |
| 1970-06-16 | vs SLN | 67 | W 4-0 | 29-38 | 5 | 7,012 | Mike Corkins | Steve Carlton | Dave Roberts | Steve Carlton | | 309 | 307 | 2 |
| 1970-06-17 | vs SLN | 68 | L 0-8 | 29-39 | 5 | 13,624 | Danny Coombs | Bob Gibson | Bob Gibson | Danny Coombs | | 309 | 315 | -6 |
| 1970-06-19 | vs SFN | 69 | W 6-3 | 30-39 | 5 | 16,061 | Al Santorini | Juan Marichal | Ron Herbel | Juan Marichal | Ron Willis | 315 | 318 | -3 |
| 1970-06-20 | vs SFN | 70 | L 1-7 | 30-40 | 5 | 13,977 | Clay Kirby | Gaylord Perry | Gaylord Perry | Clay Kirby | | 316 | 325 | -9 |
| 1970-06-21 | vs SFN | 71 | L 2-7 | 30-41 | 5 | 14,756 | Pat Dobson | Skip Pitlock | Frank Reberger | Pat Dobson | Don McMahon | 318 | 332 | -14 |
| 1970-06-22 | @ HOU | 72 | L 1-4 | 30-42 | 6 | 14,640 | Dave Roberts | Don Wilson | Don Wilson | Dave Roberts | | 319 | 336 | -17 |
| 1970-06-23 | @ HOU | 73 | L 1-2 | 30-43 | 6 | 11,666 | Danny Coombs | Jack Billingham | Jack Billingham | Danny Coombs | | 320 | 338 | -18 |
| 1970-06-24 | @ HOU | 74 | L 4-5 | 30-44 | 6 | 14,017 | Al Santorini | Denny Lemaster | Denny Lemaster | Al Santorini | Fred Gladding | 324 | 343 | -19 |
| 1970-06-26 | @ LAN | 75 | L 1-4 | 30-45 | 6 | 55,110 | Clay Kirby | Claude Osteen | Claude Osteen | Clay Kirby | | 325 | 347 | -22 |
| 1970-06-27 | @ LAN | 76 | L 5-7 | 30-46 | 6 | 32,001 | Pat Dobson | Don Sutton | Don Sutton | Pat Dobson | Jim Brewer | 330 | 354 | -24 |
| 1970-06-28 | @ LAN | 77 | L 0-2 | 30-47 | 6 | 16,737 | Dave Roberts | Alan Foster | Alan Foster | Dave Roberts | Jim Brewer | 330 | 356 | -26 |
| 1970-06-30 | @ SFN | 78 | W 3-2 | 31-47 | 6 | 4,607 | Danny Coombs | Gaylord Perry | Danny Coombs | Gaylord Perry | Ron Willis | 333 | 358 | -25 |
| 1970-07-01 | @ SFN | 79 | L 7-12 | 31-48 | 6 | 4,155 | Al Santorini | Mike McCormick | Mike McCormick | Al Santorini | Don McMahon | 340 | 370 | -30 |
| 1970-07-03 | @ ATL | 80 | L 1-8 | 31-50 | 6 | 0 | Clay Kirby | Jim Nash | Jim Nash | Clay Kirby | | 341 | 378 | -37 |
| 1970-07-03 | @ ATL | 81 | L 4-9 | 31-50 | 6 | 19,001 | Pat Dobson | Phil Niekro | Phil Niekro | Pat Dobson | Hoyt Wilhelm | 345 | 387 | -42 |
| 1970-07-04 | @ ATL | 82 | L 1-2 | 31-51 | 6 | 18,229 | Dave Roberts | Pat Jarvis | Pat Jarvis | Dave Roberts | | 346 | 389 | -43 |
| 1970-07-05 | @ ATL | 83 | W 6-5 | 32-51 | 6 | 22,002 | Danny Coombs | Ron Reed | Ron Willis | Hoyt Wilhelm | Ron Herbel | 352 | 394 | -42 |
| 1970-07-06 | @ CIN | 84 | L 0-5 | 32-52 | 6 | 15,929 | Al Santorini | Jim Merritt | Jim Merritt | Al Santorini | | 352 | 399 | -47 |
| 1970-07-07 | @ CIN | 85 | L 0-3 | 32-53 | 6 | 18,805 | Pat Dobson | Gary Nolan | Gary Nolan | Pat Dobson | Clay Carroll | 352 | 402 | -50 |
| 1970-07-08 | @ CIN | 86 | W 3-1 | 33-53 | 6 | 16,360 | Clay Kirby | Jim McGlothlin | Clay Kirby | Ray Washburn | Ron Willis | 355 | 403 | -48 |
| 1970-07-09 | @ CIN | 87 | W 10-9 | 34-53 | 6 | 22,298 | Dave Roberts | Wayne Simpson | Gary Ross | Wayne Granger | Al Santorini | 365 | 412 | -47 |
| 1970-07-10 | vs LAN | 88 | L 7-9 | 34-54 | 6 | 18,888 | Danny Coombs | Bill Singer | Bill Singer | Danny Coombs | Jose Pena | 372 | 421 | -49 |
| 1970-07-11 | vs LAN | 89 | W 4-3 | 35-54 | 6 | 18,087 | Pat Dobson | Claude Osteen | Ron Herbel | Jim Brewer | | 376 | 424 | -48 |
| 1970-07-12 | vs LAN | 90 | W 4-1 | 36-54 | 6 | 12,558 | Clay Kirby | Don Sutton | Clay Kirby | Don Sutton | | 380 | 425 | -45 |
| 1970-07-16 | vs PHI | 91 | L 7-10 | 36-55 | 6 | 6,938 | Pat Dobson | Woodie Fryman | Dick Selma | Ron Willis | Joe Hoerner | 387 | 435 | -48 |
| 1970-07-17 | vs PHI | 92 | L 3-8 | 36-56 | 6 | 5,758 | Clay Kirby | Rick Wise | Rick Wise | Clay Kirby | | 390 | 443 | -53 |
| 1970-07-18 | vs PHI | 93 | L 4-7 | 36-57 | 6 | 4,317 | Earl Wilson | Jim Bunning | Jim Bunning | Earl Wilson | Dick Selma | 394 | 450 | -56 |
| 1970-07-19 | vs MON | 94 | W 6-5 | 37-58 | 6 | 0 | Danny Coombs | Steve Renko | Danny Coombs | Steve Renko | Ron Willis | 400 | 455 | -55 |
| 1970-07-19 | vs MON | 95 | L 5-6 | 37-58 | 6 | 6,891 | Dave Roberts | Bill Stoneman | John Strohmayer | Dave Roberts | Claude Raymond | 405 | 461 | -56 |
| 1970-07-20 | vs MON | 96 | W 3-1 | 38-58 | 6 | 2,735 | Pat Dobson | Mike Marshall | Pat Dobson | Mike Marshall | | 408 | 462 | -54 |
| 1970-07-21 | vs NYN | 97 | L 0-3 | 38-59 | 6 | 10,373 | Clay Kirby | Jim McAndrew | Jim McAndrew | Clay Kirby | | 408 | 465 | -57 |
| 1970-07-22 | vs NYN | 98 | W 5-4 | 39-59 | 6 | 18,981 | Earl Wilson | Tom Seaver | Jack Baldschun | Nolan Ryan | | 413 | 469 | -56 |
| 1970-07-24 | @ PHI | 99 | L 3-4 | 39-60 | 6 | 5,078 | Danny Coombs | Grant Jackson | Grant Jackson | Ron Herbel | | 416 | 473 | -57 |
| 1970-07-25 | @ PHI | 100 | L 2-9 | 39-61 | 6 | 20,292 | Dave Roberts | Chris Short | Barry Lersch | Dave Roberts | | 418 | 482 | -64 |
| 1970-07-26 | @ PHI | 101 | W 16-2 | 40-61 | 6 | 5,208 | Pat Dobson | Rick Wise | Pat Dobson | Rick Wise | | 434 | 484 | -50 |
| 1970-07-28 | @ MON | 102 | L 4-5 | 40-62 | 6 | 19,500 | Earl Wilson | Steve Renko | John Strohmayer | Danny Coombs | | 438 | 489 | -51 |
| 1970-07-29 | @ MON | 103 | L 3-4 | 40-63 | 6 | 11,815 | Clay Kirby | Carl Morton | Carl Morton | Clay Kirby | | 441 | 493 | -52 |
| 1970-07-31 | @ NYN | 104 | L 5-6 | 40-64 | 6 | 30,684 | Pat Dobson | Gary Gentry | Danny Frisella | Ron Herbel | Tug McGraw | 446 | 499 | -53 |
| 1970-08-01 | @ NYN | 105 | L 2-4 | 40-65 | 6 | 25,919 | Earl Wilson | Tom Seaver | Tom Seaver | Earl Wilson | | 448 | 503 | -55 |
| 1970-08-02 | @ NYN | 106 | W 3-0 | 42-65 | 6 | 0 | Danny Coombs | Jim McAndrew | Danny Coombs | Jim McAndrew | Tom Dukes | 451 | 503 | -52 |
| 1970-08-02 | @ NYN | 107 | W 4-2 | 42-65 | 6 | 49,373 | Dave Roberts | Ray Sadecki | Ron Willis | Danny Frisella | | 455 | 505 | -50 |
| 1970-08-03 | vs CIN | 108 | W 10-3 | 43-65 | 6 | 14,857 | Clay Kirby | Tony Cloninger | Clay Kirby | Tony Cloninger | | 465 | 508 | -43 |
| 1970-08-04 | vs CIN | 109 | L 1-12 | 43-66 | 6 | 14,070 | Pat Dobson | Jim Merritt | Jim Merritt | Pat Dobson | | 466 | 520 | -54 |
| 1970-08-05 | vs HOU | 110 | L 3-4 | 43-67 | 6 | 3,286 | Earl Wilson | Don Wilson | Fred Gladding | Tom Dukes | | 469 | 524 | -55 |
| 1970-08-06 | vs HOU | 111 | L 6-8 | 43-68 | 6 | 3,221 | Danny Coombs | Jack Billingham | Jack Billingham | Danny Coombs | George Culver | 475 | 532 | -57 |
| 1970-08-07 | vs ATL | 112 | L 2-8 | 44-69 | 6 | 0 | Dave Roberts | Phil Niekro | Phil Niekro | Dave Roberts | | 477 | 540 | -63 |
| 1970-08-07 | vs ATL | 113 | W 6-1 | 44-69 | 6 | 9,620 | Clay Kirby | Ron Reed | Clay Kirby | Ron Reed | | 483 | 541 | -58 |
| 1970-08-09 | vs ATL | 114 | W 4-2 | 45-69 | 6 | 6,276 | Pat Dobson | Pat Jarvis | Pat Dobson | Pat Jarvis | Tom Dukes | 487 | 543 | -56 |
| 1970-08-11 | @ SLN | 115 | L 10-11 | 45-70 | 6 | 16,734 | Earl Wilson | Nelson Briles | Harry Parker | Ron Herbel | | 497 | 554 | -57 |
| 1970-08-12 | @ SLN | 116 | L 4-5 | 45-71 | 6 | 18,563 | Danny Coombs | Bob Gibson | Bob Gibson | Ron Willis | | 501 | 559 | -58 |
| 1970-08-13 | @ SLN | 117 | W 9-7 | 46-71 | 6 | 30,021 | Clay Kirby | Reggie Cleveland | Clay Kirby | Reggie Cleveland | Ron Herbel | 510 | 566 | -56 |
| 1970-08-14 | @ PIT | 118 | L 1-2 | 46-73 | 6 | 0 | Dave Roberts | Steve Blass | Orlando Pena | Dave Roberts | | 511 | 568 | -57 |
| 1970-08-14 | @ PIT | 119 | L 1-10 | 46-73 | 6 | 26,979 | Pat Dobson | Luke Walker | Luke Walker | Pat Dobson | | 512 | 578 | -66 |
| 1970-08-15 | @ PIT | 120 | L 3-9 | 46-74 | 6 | 14,110 | Earl Wilson | Bob Veale | Bob Veale | Earl Wilson | | 515 | 587 | -72 |
| 1970-08-16 | @ PIT | 121 | W 8-6 | 47-74 | 6 | 18,969 | Danny Coombs | Bruce Dal Canton | Ron Herbel | Orlando Pena | Tom Dukes | 523 | 593 | -70 |
| 1970-08-17 | @ CHN | 122 | L 0-7 | 47-75 | 6 | 21,370 | Clay Kirby | Milt Pappas | Milt Pappas | Clay Kirby | | 523 | 600 | -77 |
| 1970-08-18 | @ CHN | 123 | W 11-3 | 48-75 | 6 | 17,295 | Pat Dobson | Joe Decker | Pat Dobson | Joe Decker | | 534 | 603 | -69 |
| 1970-08-19 | @ CHN | 124 | L 2-12 | 48-76 | 6 | 25,933 | Dave Roberts | Fergie Jenkins | Fergie Jenkins | Dave Roberts | | 536 | 615 | -79 |
| 1970-08-21 | vs SLN | 125 | L 8-14 | 48-77 | 6 | 9,721 | Earl Wilson | Nelson Briles | Nelson Briles | Earl Wilson | Chuck Taylor | 544 | 629 | -85 |
| 1970-08-22 | vs SLN | 126 | L 0-7 | 48-78 | 6 | 6,942 | Danny Coombs | Bob Gibson | Bob Gibson | Danny Coombs | | 544 | 636 | -92 |
| 1970-08-23 | vs SLN | 127 | L 7-8 | 48-79 | 6 | 5,797 | Clay Kirby | Jerry Reuss | Frank Linzy | Pat Dobson | | 551 | 644 | -93 |
| 1970-08-25 | vs PIT | 128 | W 4-3 | 49-79 | 6 | 4,876 | Dave Roberts | Luke Walker | Tom Dukes | Luke Walker | | 555 | 647 | -92 |
| 1970-08-26 | vs PIT | 129 | W 2-1 | 50-79 | 6 | 6,067 | Pat Dobson | Fred Cambria | Pat Dobson | Fred Cambria | Tom Dukes | 557 | 648 | -91 |
| 1970-08-27 | vs CHN | 130 | L 1-5 | 50-80 | 6 | 5,151 | Earl Wilson | Milt Pappas | Milt Pappas | Earl Wilson | | 558 | 653 | -95 |
| 1970-08-28 | vs CHN | 131 | L 4-8 | 50-81 | 6 | 7,897 | Clay Kirby | Fergie Jenkins | Fergie Jenkins | Paul Doyle | | 562 | 661 | -99 |
| 1970-08-30 | vs CHN | 132 | L 0-3 | 50-82 | 6 | 7,521 | Dave Roberts | Bill Hands | Bill Hands | Dave Roberts | | 562 | 664 | -102 |
| 1970-09-01 | @ HOU | 133 | W 2-1 | 51-82 | 6 | 6,492 | Pat Dobson | Larry Dierker | Pat Dobson | George Culver | | 564 | 665 | -101 |
| 1970-09-02 | @ HOU | 134 | L 1-2 | 51-83 | 6 | 6,395 | Danny Coombs | Wade Blasingame | Wade Blasingame | Danny Coombs | Fred Gladding | 565 | 667 | -102 |
| 1970-09-03 | @ HOU | 135 | W 4-0 | 52-83 | 6 | 5,465 | Clay Kirby | Jack Billingham | Clay Kirby | Jack Billingham | | 569 | 667 | -98 |
| 1970-09-04 | @ CIN | 136 | W 15-2 | 53-83 | 6 | 23,584 | Mike Corkins | Jim Merritt | Mike Corkins | Jim Merritt | Paul Doyle | 584 | 669 | -85 |
| 1970-09-05 | @ CIN | 137 | L 2-6 | 53-84 | 6 | 34,525 | Dave Roberts | Milt Wilcox | Milt Wilcox | Dave Roberts | Clay Carroll | 586 | 675 | -89 |
| 1970-09-06 | @ CIN | 138 | L 5-6 | 53-85 | 6 | 31,431 | Pat Dobson | Jim McGlothlin | Jim McGlothlin | Pat Dobson | Don Gullett | 591 | 681 | -90 |
| 1970-09-07 | vs HOU | 139 | L 5-10 | 53-87 | 6 | 0 | Jerry Nyman | Ken Forsch | Ken Forsch | Jerry Nyman | | 596 | 691 | -95 |
| 1970-09-07 | vs HOU | 140 | L 4-9 | 53-87 | 6 | 5,524 | Danny Coombs | Jack Billingham | Jack Billingham | Danny Coombs | | 600 | 700 | -100 |
| 1970-09-08 | vs HOU | 141 | L 7-8 | 53-88 | 6 | 1,893 | Clay Kirby | Don Wilson | Don Wilson | Clay Kirby | Fred Gladding | 607 | 708 | -101 |
| 1970-09-09 | vs ATL | 142 | L 3-6 | 54-89 | 6 | 0 | Mike Corkins | Mike McQueen | Bob Priddy | Tom Dukes | | 610 | 714 | -104 |
| 1970-09-09 | vs ATL | 143 | W 7-4 | 54-89 | 6 | 4,877 | Steve Arlin | Phil Niekro | Earl Wilson | Phil Niekro | | 617 | 718 | -101 |
| 1970-09-10 | vs ATL | 144 | W 3-2 | 55-89 | 6 | 2,066 | Dave Roberts | Ron Reed | Dave Roberts | Ron Reed | Gary Ross | 620 | 720 | -100 |
| 1970-09-11 | vs CIN | 145 | W 3-2 | 56-89 | 6 | 7,151 | Pat Dobson | Gary Nolan | Pat Dobson | Gary Nolan | | 623 | 722 | -99 |
| 1970-09-12 | vs CIN | 146 | W 4-2 | 57-89 | 6 | 5,367 | Danny Coombs | Tony Cloninger | Danny Coombs | Tony Cloninger | | 627 | 724 | -97 |
| 1970-09-13 | vs CIN | 147 | W 5-4 | 58-89 | 6 | 5,909 | Clay Kirby | Wayne Simpson | Clay Kirby | Milt Wilcox | Paul Doyle | 632 | 728 | -96 |
| 1970-09-14 | @ LAN | 148 | L 4-12 | 58-90 | 6 | 9,039 | Jerry Nyman | Claude Osteen | Claude Osteen | Jerry Nyman | | 636 | 740 | -104 |
| 1970-09-15 | @ LAN | 149 | L 4-5 | 58-91 | 6 | 9,083 | Mike Corkins | Don Sutton | Pete Mikkelsen | Tom Dukes | | 640 | 745 | -105 |
| 1970-09-16 | @ LAN | 150 | W 4-0 | 59-91 | 6 | 9,053 | Dave Roberts | Joe Moeller | Dave Roberts | Joe Moeller | | 644 | 745 | -101 |
| 1970-09-17 | vs SFN | 151 | L 3-4 | 59-92 | 6 | 3,332 | Pat Dobson | Rich Robertson | Rich Robertson | Pat Dobson | Don McMahon | 647 | 749 | -102 |
| 1970-09-18 | vs SFN | 152 | L 2-3 | 59-93 | 6 | 5,093 | Danny Coombs | Frank Reberger | Frank Reberger | Danny Coombs | | 649 | 752 | -103 |
| 1970-09-19 | vs SFN | 153 | L 0-3 | 59-94 | 6 | 6,259 | Clay Kirby | Gaylord Perry | Gaylord Perry | Clay Kirby | | 649 | 755 | -106 |
| 1970-09-22 | @ ATL | 154 | L 2-3 | 59-95 | 6 | 2,293 | Mike Corkins | Jim Nash | Jim Nash | Earl Wilson | | 651 | 758 | -107 |
| 1970-09-23 | @ ATL | 155 | W 2-0 | 60-95 | 6 | 2,007 | Steve Arlin | Pat Jarvis | Steve Arlin | Pat Jarvis | | 653 | 758 | -105 |
| 1970-09-24 | @ ATL | 156 | W 5-0 | 61-95 | 6 | 2,068 | Dave Roberts | Mike McQueen | Dave Roberts | Mike McQueen | | 658 | 758 | -100 |
| 1970-09-25 | @ SFN | 157 | W 7-4 | 62-95 | 6 | 4,314 | Pat Dobson | Frank Reberger | Pat Dobson | Frank Reberger | Tom Dukes | 665 | 762 | -97 |
| 1970-09-26 | @ SFN | 158 | L 6-7 | 62-96 | 6 | 5,057 | Clay Kirby | Juan Marichal | John Cumberland | Paul Doyle | | 671 | 769 | -98 |
| 1970-09-27 | @ SFN | 159 | L 2-3 | 62-97 | 6 | 25,332 | Danny Coombs | Gaylord Perry | Gaylord Perry | Danny Coombs | | 673 | 772 | -99 |
| 1970-09-29 | vs LAN | 160 | L 2-8 | 62-98 | 6 | 2,952 | Dave Roberts | Sandy Vance | Sandy Vance | Dave Roberts | Pete Mikkelsen | 675 | 780 | -105 |
| 1970-09-30 | vs LAN | 161 | W 2-1 | 63-98 | 6 | 3,549 | Pat Dobson | Claude Osteen | Pat Dobson | Claude Osteen | | 677 | 781 | -104 |
| 1970-10-01 | vs LAN | 162 | L 4-7 | 63-99 | 6 | 17,630 | Clay Kirby | Don Sutton | Don Sutton | Tom Dukes | Mike Strahler | 681 | 788 | -107 |