| 1970-04-07 | @ NYA | 1 | W 4-3 | 1-0 | 2 | 21,379 | Gary Peters | Mel Stottlemyre | Gary Peters | Mel Stottlemyre | Bill Lee | 4 | 3 | 1 |
| 1970-04-09 | @ NYA | 2 | L 3-4 | 1-1 | 3 | 7,039 | Ray Culp | Fritz Peterson | Fritz Peterson | Ray Culp | Jack Aker | 7 | 7 | 0 |
| 1970-04-10 | @ WS2 | 3 | W 4-1 | 2-1 | 2 | 12,026 | Jim Lonborg | Joe Coleman | Jim Lonborg | Joe Coleman | Sparky Lyle | 11 | 8 | 3 |
| 1970-04-11 | @ WS2 | 4 | L 3-4 | 2-2 | 2 | 9,669 | Sonny Siebert | Dick Bosman | Dick Bosman | Sonny Siebert | Darold Knowles | 14 | 12 | 2 |
| 1970-04-12 | @ WS2 | 5 | L 5-6 | 2-3 | 4 | 20,133 | Gary Peters | Casey Cox | Casey Cox | Gary Peters | Horacio Pina | 19 | 18 | 1 |
| 1970-04-14 | vs NYA | 6 | W 8-3 | 3-3 | 3 | 34,002 | Ray Culp | Fritz Peterson | Ray Culp | Fritz Peterson | | 27 | 21 | 6 |
| 1970-04-15 | vs NYA | 7 | W 6-2 | 4-3 | 2 | 7,906 | Jim Lonborg | Bill Burbach | Jim Lonborg | Bill Burbach | Sparky Lyle | 33 | 23 | 10 |
| 1970-04-16 | vs NYA | 8 | W 8-5 | 5-3 | 2 | 8,217 | Sonny Siebert | Stan Bahnsen | Lee Stange | Jack Aker | Vicente Romo | 41 | 28 | 13 |
| 1970-04-17 | @ DET | 9 | L 2-3 | 5-4 | 4 | 7,390 | Gary Peters | Joe Niekro | Fred Lasher | Ken Brett | | 43 | 31 | 12 |
| 1970-04-18 | @ DET | 10 | L 1-5 | 5-5 | 3 | 19,461 | Bill Lee | Mickey Lolich | Mickey Lolich | Bill Lee | | 44 | 36 | 8 |
| 1970-04-20 | vs BAL | 11 | L 2-3 | 5-6 | 3 | 29,000 | Ray Culp | Jim Palmer | Jim Palmer | Ray Culp | | 46 | 39 | 7 |
| 1970-04-22 | vs BAL | 12 | W 5-2 | 6-6 | 4 | 25,660 | Jim Lonborg | Dave McNally | Vicente Romo | Dave McNally | | 51 | 41 | 10 |
| 1970-04-25 | vs MIL | 13 | L 4-10 | 7-7 | 3 | 0 | Sonny Siebert | Lew Krausse | Lew Krausse | Lee Stange | Bob Locker | 55 | 51 | 4 |
| 1970-04-25 | vs MIL | 14 | W 3-0 | 7-7 | 3 | 22,004 | Gary Peters | Bobby Bolin | Gary Peters | Bobby Bolin | | 58 | 51 | 7 |
| 1970-04-26 | vs MIL | 15 | L 3-5 | 7-8 | 3 | 19,811 | Ray Culp | Gene Brabender | Gene Brabender | Ray Culp | Bob Locker | 61 | 56 | 5 |
| 1970-04-27 | vs OAK | 16 | W 4-3 | 8-8 | 3 | 5,085 | Vicente Romo | Catfish Hunter | Vicente Romo | Catfish Hunter | Sparky Lyle | 65 | 59 | 6 |
| 1970-04-28 | vs OAK | 17 | W 2-1 | 9-8 | 3 | 14,941 | Bill Lee | Al Downing | Bill Lee | Al Downing | Sparky Lyle | 67 | 60 | 7 |
| 1970-04-29 | vs OAK | 18 | W 5-3 | 10-8 | 3 | 14,297 | Sonny Siebert | Chuck Dobson | Sonny Siebert | Chuck Dobson | Sparky Lyle | 72 | 63 | 9 |
| 1970-04-30 | vs OAK | 19 | W 8-7 | 11-8 | 3 | 6,225 | Gary Peters | Jim Roland | Gary Peters | Jim Roland | Sparky Lyle | 80 | 70 | 10 |
| 1970-05-01 | vs CAL | 20 | W 8-3 | 12-8 | 3 | 23,292 | Ray Culp | Tom Murphy | Ray Culp | Tom Murphy | | 88 | 73 | 15 |
| 1970-05-02 | vs CAL | 21 | L 4-8 | 12-9 | 3 | 26,144 | Vicente Romo | Clyde Wright | Greg Garrett | Ray Jarvis | Ken Tatum | 92 | 81 | 11 |
| 1970-05-05 | @ MIL | 22 | W 6-0 | 13-9 | 2 | 6,780 | Sonny Siebert | Gene Brabender | Sonny Siebert | Gene Brabender | | 98 | 81 | 17 |
| 1970-05-06 | @ MIL | 23 | L 3-4 | 13-10 | 3 | 5,320 | Gary Peters | Bobby Bolin | Bobby Bolin | Ed Phillips | John Gelnar | 101 | 85 | 16 |
| 1970-05-07 | @ MIL | 24 | L 1-5 | 13-11 | 3 | 8,194 | Ray Culp | Lew Krausse | Lew Krausse | Ray Culp | John Gelnar | 102 | 90 | 12 |
| 1970-05-08 | @ OAK | 25 | L 1-7 | 13-12 | 3 | 6,815 | Jim Lonborg | Chuck Dobson | Chuck Dobson | Jim Lonborg | | 103 | 97 | 6 |
| 1970-05-09 | @ OAK | 26 | W 5-3 | 14-12 | 3 | 33,203 | Sonny Siebert | Catfish Hunter | Sonny Siebert | Diego Segui | | 108 | 100 | 8 |
| 1970-05-10 | @ OAK | 27 | L 4-7 | 14-13 | 3 | 10,972 | Gary Peters | Blue Moon Odom | Rollie Fingers | Gary Peters | | 112 | 107 | 5 |
| 1970-05-11 | @ CAL | 28 | L 1-2 | 14-14 | 3 | 6,794 | Ray Culp | Tom Murphy | Dave LaRoche | Ken Brett | | 113 | 109 | 4 |
| 1970-05-12 | @ CAL | 29 | L 5-6 | 14-15 | 4 | 7,806 | Bill Lee | Clyde Wright | Greg Garrett | Sparky Lyle | | 118 | 115 | 3 |
| 1970-05-13 | @ CAL | 30 | L 3-5 | 14-16 | 4 | 9,852 | Sonny Siebert | Andy Messersmith | Ken Tatum | Lee Stange | | 121 | 120 | 1 |
| 1970-05-15 | vs CLE | 31 | L 0-3 | 14-17 | 4 | 23,102 | Gary Peters | Sam McDowell | Sam McDowell | Gary Peters | | 121 | 123 | -2 |
| 1970-05-16 | vs CLE | 32 | W 6-2 | 15-17 | 4 | 19,485 | Ray Culp | Dean Chance | Ray Culp | Dennis Higgins | | 127 | 125 | 2 |
| 1970-05-19 | vs DET | 33 | W 5-4 | 16-17 | 3 | 18,415 | Mike Nagy | Joe Niekro | Jim Lonborg | Fred Lasher | | 132 | 129 | 3 |
| 1970-05-20 | @ CLE | 34 | L 2-7 | 16-18 | 4 | 4,930 | Sonny Siebert | Sam McDowell | Sam McDowell | Sonny Siebert | | 134 | 136 | -2 |
| 1970-05-21 | @ CLE | 35 | L 7-10 | 16-19 | 4 | 4,073 | Bill Lee | Bob Miller | Bob Miller | Bill Lee | Dick Ellsworth | 141 | 146 | -5 |
| 1970-05-22 | @ BAL | 36 | L 4-7 | 16-20 | 4 | 16,904 | Gary Peters | Jim Hardin | Dick Hall | Gary Peters | | 145 | 153 | -8 |
| 1970-05-23 | @ BAL | 37 | L 0-3 | 16-21 | 5 | 11,819 | Ray Culp | Jim Palmer | Jim Palmer | Ray Culp | | 145 | 156 | -11 |
| 1970-05-24 | @ BAL | 38 | L 1-2 | 17-22 | 5 | 0 | Mike Nagy | Mike Cuellar | Eddie Watt | Sparky Lyle | | 146 | 158 | -12 |
| 1970-05-24 | @ BAL | 39 | W 4-3 | 17-22 | 5 | 22,681 | Sonny Siebert | Tom Phoebus | Sonny Siebert | Tom Phoebus | | 150 | 161 | -11 |
| 1970-05-25 | vs WS2 | 40 | W 5-3 | 18-22 | 4 | 14,825 | Bill Lee | Dick Bosman | Bill Lee | Dick Bosman | Lee Stange | 155 | 164 | -9 |
| 1970-05-26 | vs WS2 | 41 | L 5-7 | 18-23 | 5 | 12,647 | Gary Peters | Joe Grzenda | Joe Grzenda | Gary Peters | Casey Cox | 160 | 171 | -11 |
| 1970-05-27 | vs WS2 | 42 | L 5-7 | 18-24 | 5 | 16,867 | Ray Culp | Jim Hannan | Darold Knowles | Ray Culp | | 165 | 178 | -13 |
| 1970-05-29 | vs CHA | 43 | W 4-3 | 19-24 | 5 | 22,737 | Sonny Siebert | Tommy John | Jim Lonborg | Wilbur Wood | | 169 | 181 | -12 |
| 1970-05-30 | vs CHA | 44 | W 7-5 | 20-24 | 5 | 21,026 | Mike Nagy | Bart Johnson | Vicente Romo | Jerry Crider | Sparky Lyle | 176 | 186 | -10 |
| 1970-05-31 | vs CHA | 45 | L 13-22 | 20-25 | 5 | 21,952 | Gary Peters | Gerry Janeski | Floyd Weaver | Gary Peters | | 189 | 208 | -19 |
| 1970-06-02 | vs MIN | 46 | W 5-1 | 21-25 | 5 | 19,080 | Ray Culp | Jim Perry | Ray Culp | Jim Perry | | 194 | 209 | -15 |
| 1970-06-04 | vs MIN | 47 | W 5-1 | 22-25 | 5 | 19,098 | Sonny Siebert | Jim Kaat | Sonny Siebert | Jim Kaat | | 199 | 210 | -11 |
| 1970-06-05 | vs KCA | 48 | W 4-2 | 23-25 | 4 | 19,412 | Mike Nagy | Bill Butler | Mike Nagy | Bill Butler | Vicente Romo | 203 | 212 | -9 |
| 1970-06-07 | vs KCA | 49 | W 7-4 | 25-25 | 3 | 0 | Ray Culp | Dave Morehead | Lee Stange | Tom Burgmeier | Ken Brett | 210 | 216 | -6 |
| 1970-06-07 | vs KCA | 50 | W 5-2 | 25-25 | 3 | 30,434 | Gary Peters | Bob Johnson | Vicente Romo | Al Fitzmorris | Sparky Lyle | 215 | 218 | -3 |
| 1970-06-09 | @ CHA | 51 | L 2-4 | 25-26 | 3 | 6,981 | Sonny Siebert | Gerry Janeski | Gerry Janeski | Sonny Siebert | | 217 | 222 | -5 |
| 1970-06-10 | @ CHA | 52 | W 7-6 | 26-26 | 3 | 6,887 | Mike Nagy | Joe Horlen | Vicente Romo | Wilbur Wood | Lee Stange | 224 | 228 | -4 |
| 1970-06-12 | @ MIN | 53 | L 2-5 | 26-27 | 4 | 18,489 | Gary Peters | Jim Perry | Jim Perry | Gary Peters | Ron Perranoski | 226 | 233 | -7 |
| 1970-06-13 | @ MIN | 54 | W 6-4 | 27-27 | 4 | 19,815 | Ray Culp | Jim Kaat | Ray Culp | Jim Kaat | Sparky Lyle | 232 | 237 | -5 |
| 1970-06-14 | @ MIN | 55 | L 2-10 | 27-28 | 4 | 27,434 | Sonny Siebert | Bert Blyleven | Bert Blyleven | Sonny Siebert | Stan Williams | 234 | 247 | -13 |
| 1970-06-15 | @ KCA | 56 | L 6-7 | 27-29 | 4 | 7,324 | Mike Nagy | Jim Rooker | Aurelio Monteagudo | Cal Koonce | | 240 | 254 | -14 |
| 1970-06-16 | @ KCA | 57 | W 7-5 | 28-29 | 4 | 7,666 | Gary Peters | Bill Butler | Gary Peters | Bill Butler | Jose Santiago | 247 | 259 | -12 |
| 1970-06-17 | @ KCA | 58 | W 3-1 | 29-29 | 4 | 9,493 | Ken Brett | Dave Morehead | Ken Brett | Dave Morehead | | 250 | 260 | -10 |
| 1970-06-18 | vs NYA | 59 | L 2-3 | 29-30 | 4 | 26,305 | Ray Culp | Gary Waslewski | Gary Waslewski | Ray Culp | Lindy McDaniel | 252 | 263 | -11 |
| 1970-06-19 | vs NYA | 60 | W 7-4 | 30-30 | 4 | 32,311 | Sonny Siebert | Stan Bahnsen | Sonny Siebert | Stan Bahnsen | Sparky Lyle | 259 | 267 | -8 |
| 1970-06-20 | vs NYA | 61 | L 3-8 | 30-31 | 4 | 30,789 | Mike Nagy | Mel Stottlemyre | Mel Stottlemyre | Mike Nagy | | 262 | 275 | -13 |
| 1970-06-21 | vs NYA | 62 | L 10-14 | 30-32 | 4 | 31,073 | Gary Peters | Fritz Peterson | Lindy McDaniel | Jose Santiago | | 272 | 289 | -17 |
| 1970-06-22 | vs BAL | 63 | L 8-9 | 30-33 | 4 | 22,676 | Ken Brett | Tom Phoebus | Dick Hall | Sparky Lyle | Eddie Watt | 280 | 298 | -18 |
| 1970-06-23 | vs BAL | 64 | W 5-1 | 31-33 | 4 | 23,798 | Ray Culp | Jim Palmer | Ray Culp | Jim Palmer | | 285 | 299 | -14 |
| 1970-06-24 | vs BAL | 65 | W 6-5 | 32-33 | 4 | 25,003 | Sonny Siebert | Jim Hardin | Gary Wagner | Eddie Watt | Vicente Romo | 291 | 304 | -13 |
| 1970-06-25 | vs BAL | 66 | L 8-13 | 32-34 | 4 | 20,548 | Mike Nagy | Mike Cuellar | Moe Drabowsky | Jose Santiago | | 299 | 317 | -18 |
| 1970-06-27 | @ NYA | 67 | W 4-0 | 33-34 | 4 | 21,801 | Gary Peters | Gary Waslewski | Gary Peters | Gary Waslewski | | 303 | 317 | -14 |
| 1970-06-28 | @ NYA | 68 | W 5-3 | 34-35 | 4 | 0 | Ken Brett | Mel Stottlemyre | Ken Brett | Mel Stottlemyre | Sparky Lyle | 308 | 320 | -12 |
| 1970-06-28 | @ NYA | 69 | L 2-8 | 34-35 | 4 | 56,412 | Ray Culp | Stan Bahnsen | Stan Bahnsen | Ray Culp | | 310 | 328 | -18 |
| 1970-06-30 | vs WS2 | 70 | L 1-3 | 34-36 | 4 | 19,797 | Sonny Siebert | Dick Bosman | Dick Bosman | Sonny Siebert | Darold Knowles | 311 | 331 | -20 |
| 1970-07-01 | vs WS2 | 71 | W 6-5 | 35-36 | 4 | 22,218 | Mike Nagy | Joe Coleman | Mike Nagy | Joe Coleman | Sparky Lyle | 317 | 336 | -19 |
| 1970-07-02 | vs WS2 | 72 | W 5-0 | 36-36 | 4 | 15,593 | Gary Peters | Dick Such | Gary Peters | Dick Such | | 322 | 336 | -14 |
| 1970-07-03 | vs CLE | 73 | W 2-1 | 38-36 | 4 | 0 | Ray Culp | Rich Hand | Ray Culp | Phil Hennigan | | 324 | 337 | -13 |
| 1970-07-03 | vs CLE | 74 | W 5-4 | 38-36 | 4 | 27,395 | Ken Brett | Mike Paul | Gary Wagner | Dick Ellsworth | Sparky Lyle | 329 | 341 | -12 |
| 1970-07-04 | vs CLE | 75 | W 5-1 | 39-36 | 4 | 14,246 | Sonny Siebert | Steve Dunning | Sonny Siebert | Steve Dunning | | 334 | 342 | -8 |
| 1970-07-05 | vs CLE | 76 | W 8-4 | 40-36 | 4 | 21,690 | Mike Nagy | Rick Austin | Mike Nagy | Rick Austin | Vicente Romo | 342 | 346 | -4 |
| 1970-07-06 | @ DET | 77 | L 3-6 | 40-37 | 4 | 29,417 | Gary Peters | Les Cain | Les Cain | Gary Peters | Daryl Patterson | 345 | 352 | -7 |
| 1970-07-07 | @ DET | 78 | W 8-4 | 41-38 | 4 | 0 | Ray Culp | Earl Wilson | Ray Culp | Earl Wilson | Sparky Lyle | 353 | 356 | -3 |
| 1970-07-07 | @ DET | 79 | L 3-4 | 41-38 | 4 | 30,873 | Ken Brett | Joe Niekro | Mike Kilkenny | Cal Koonce | | 356 | 360 | -4 |
| 1970-07-08 | @ DET | 80 | L 2-3 | 41-39 | 4 | 14,801 | Sonny Siebert | Mickey Lolich | Mickey Lolich | Ed Phillips | | 358 | 363 | -5 |
| 1970-07-09 | @ DET | 81 | L 3-7 | 41-40 | 4 | 23,746 | Mike Nagy | Denny McLain | Daryl Patterson | Gary Wagner | | 361 | 370 | -9 |
| 1970-07-10 | @ CLE | 82 | W 7-1 | 42-40 | 4 | 13,136 | Gary Peters | Rich Hand | Gary Peters | Rich Hand | | 368 | 371 | -3 |
| 1970-07-11 | @ CLE | 83 | L 1-3 | 42-41 | 4 | 13,251 | Ken Brett | Sam McDowell | Sam McDowell | Ken Brett | | 369 | 374 | -5 |
| 1970-07-12 | @ CLE | 84 | W 6-2 | 44-41 | 4 | 0 | Ray Culp | Steve Dunning | Ray Culp | Steve Dunning | | 375 | 376 | -1 |
| 1970-07-12 | @ CLE | 85 | W 8-2 | 44-41 | 4 | 30,821 | Sonny Siebert | Fred Lasher | Sonny Siebert | Fred Lasher | Sparky Lyle | 383 | 378 | 5 |
| 1970-07-16 | vs MIL | 86 | W 6-5 | 45-41 | 4 | 20,484 | Mike Nagy | Skip Lockwood | Vicente Romo | Bobby Bolin | | 389 | 383 | 6 |
| 1970-07-17 | vs MIL | 87 | W 8-2 | 46-41 | 4 | 27,114 | Sonny Siebert | Gene Brabender | Sonny Siebert | Gene Brabender | Cal Koonce | 397 | 385 | 12 |
| 1970-07-18 | vs MIL | 88 | L 5-10 | 46-42 | 4 | 22,723 | Gary Peters | Lew Krausse | Lew Krausse | Sparky Lyle | Ken Sanders | 402 | 395 | 7 |
| 1970-07-19 | vs OAK | 89 | W 9-4 | 47-42 | 4 | 28,464 | Ray Culp | Rollie Fingers | Ray Culp | Rollie Fingers | | 411 | 399 | 12 |
| 1970-07-20 | vs OAK | 90 | L 2-3 | 47-43 | 4 | 22,888 | Ken Brett | Chuck Dobson | Chuck Dobson | Ken Brett | Mudcat Grant | 413 | 402 | 11 |
| 1970-07-21 | vs CAL | 91 | L 6-10 | 47-44 | 4 | 21,194 | Mike Nagy | Clyde Wright | Clyde Wright | Mike Nagy | Ken Tatum | 419 | 412 | 7 |
| 1970-07-22 | vs CAL | 92 | W 7-4 | 49-44 | 4 | 28,996 | Gary Peters | Tom Bradley | Gary Peters | Tom Bradley | Sparky Lyle | 426 | 416 | 10 |
| 1970-07-22 | vs CAL | 93 | W 8-3 | 49-44 | 4 | 23,916 | Sonny Siebert | Mel Queen | Sonny Siebert | Mel Queen | Cal Koonce | 434 | 419 | 15 |
| 1970-07-23 | vs CAL | 94 | L 1-4 | 49-45 | 4 | 25,658 | Vicente Romo | Greg Garrett | Ken Tatum | Ken Brett | | 435 | 423 | 12 |
| 1970-07-24 | @ MIL | 95 | L 4-8 | 49-46 | 4 | 20,294 | Ray Culp | Lew Krausse | Lew Krausse | Ray Culp | | 439 | 431 | 8 |
| 1970-07-25 | @ MIL | 96 | L 2-6 | 49-47 | 4 | 22,199 | Mike Nagy | Marty Pattin | Marty Pattin | Mike Nagy | | 441 | 437 | 4 |
| 1970-07-26 | @ MIL | 97 | W 12-5 | 50-47 | 4 | 29,117 | Gary Peters | Skip Lockwood | Gary Peters | Skip Lockwood | Gary Wagner | 453 | 442 | 11 |
| 1970-07-28 | @ OAK | 98 | L 4-6 | 50-48 | 4 | 8,914 | Vicente Romo | Chuck Dobson | Chuck Dobson | Vicente Romo | Mudcat Grant | 457 | 448 | 9 |
| 1970-07-29 | @ OAK | 99 | W 4-1 | 51-48 | 4 | 8,883 | Ray Culp | Diego Segui | Ray Culp | Diego Segui | | 461 | 449 | 12 |
| 1970-07-30 | @ OAK | 100 | L 1-2 | 51-49 | 4 | 8,082 | Cal Koonce | Catfish Hunter | Catfish Hunter | Cal Koonce | Mudcat Grant | 462 | 451 | 11 |
| 1970-07-31 | @ CAL | 101 | W 2-0 | 52-49 | 4 | 36,160 | Sonny Siebert | Tom Murphy | Sonny Siebert | Tom Murphy | | 464 | 451 | 13 |
| 1970-08-01 | @ CAL | 102 | W 8-0 | 53-49 | 4 | 15,240 | Gary Peters | Greg Garrett | Gary Peters | Greg Garrett | | 472 | 451 | 21 |
| 1970-08-02 | @ CAL | 103 | L 3-8 | 53-50 | 4 | 11,036 | Vicente Romo | Tom Bradley | Tom Bradley | Vicente Romo | Mel Queen | 475 | 459 | 16 |
| 1970-08-04 | @ BAL | 104 | L 2-5 | 53-51 | 4 | 39,011 | Ray Culp | Dave McNally | Dave McNally | Ray Culp | | 477 | 464 | 13 |
| 1970-08-05 | @ BAL | 105 | L 0-3 | 53-52 | 4 | 16,747 | Sonny Siebert | Jim Palmer | Jim Palmer | Sonny Siebert | | 477 | 467 | 10 |
| 1970-08-06 | @ WS2 | 106 | L 2-5 | 53-53 | 4 | 12,558 | Gary Peters | Casey Cox | Casey Cox | Gary Peters | Darold Knowles | 479 | 472 | 7 |
| 1970-08-07 | @ WS2 | 107 | W 3-1 | 54-53 | 4 | 14,905 | Cal Koonce | Jim Hannan | Cal Koonce | Jim Hannan | Ken Brett | 482 | 473 | 9 |
| 1970-08-08 | vs DET | 108 | L 5-6 | 54-54 | 4 | 32,551 | Vicente Romo | Denny McLain | Daryl Patterson | Chuck Hartenstein | Tom Timmermann | 487 | 479 | 8 |
| 1970-08-09 | vs DET | 109 | W 7-4 | 55-54 | 4 | 27,188 | Ray Culp | Mickey Lolich | Ray Culp | Mickey Lolich | Gary Wagner | 494 | 483 | 11 |
| 1970-08-10 | vs DET | 110 | W 11-10 | 56-54 | 4 | 21,959 | Sonny Siebert | Joe Niekro | Sonny Siebert | Joe Niekro | Chuck Hartenstein | 505 | 493 | 12 |
| 1970-08-12 | vs KCA | 111 | W 7-4 | 57-55 | 4 | 0 | Gary Peters | Jim Rooker | Gary Peters | Jim Rooker | | 512 | 497 | 15 |
| 1970-08-12 | vs KCA | 112 | L 3-4 | 57-55 | 4 | 23,450 | Cal Koonce | Bob Johnson | Ted Abernathy | Ken Brett | | 515 | 501 | 14 |
| 1970-08-13 | vs KCA | 113 | L 3-11 | 57-56 | 4 | 17,252 | Vicente Romo | Al Fitzmorris | Al Fitzmorris | Vicente Romo | | 518 | 512 | 6 |
| 1970-08-14 | vs MIN | 114 | W 8-1 | 58-56 | 4 | 27,962 | Ray Culp | Bill Zepp | Ray Culp | Bill Zepp | | 526 | 513 | 13 |
| 1970-08-15 | vs MIN | 115 | W 5-3 | 60-56 | 4 | 25,270 | Sonny Siebert | Jim Perry | Sonny Siebert | Jim Perry | | 531 | 516 | 15 |
| 1970-08-15 | vs MIN | 116 | W 11-7 | 60-56 | 4 | 23,277 | Ken Brett | Bert Blyleven | Gary Wagner | Ron Perranoski | | 542 | 523 | 19 |
| 1970-08-16 | vs MIN | 117 | L 6-9 | 60-57 | 4 | 24,670 | Gary Peters | Luis Tiant | Bert Blyleven | Gary Peters | Stan Williams | 548 | 532 | 16 |
| 1970-08-17 | vs CHA | 118 | W 7-2 | 61-57 | 4 | 12,658 | Cal Koonce | Bart Johnson | Cal Koonce | Bart Johnson | Sparky Lyle | 555 | 534 | 21 |
| 1970-08-18 | vs CHA | 119 | W 8-4 | 62-57 | 4 | 25,592 | Vicente Romo | Bob Miller | Ken Brett | Bob Miller | | 563 | 538 | 25 |
| 1970-08-19 | vs CHA | 120 | L 5-13 | 62-58 | 4 | 17,113 | Ray Culp | Tommy John | Wilbur Wood | Ray Culp | | 568 | 551 | 17 |
| 1970-08-21 | @ KCA | 121 | L 1-2 | 62-59 | 4 | 12,050 | Sonny Siebert | Wally Bunker | Ted Abernathy | Ken Brett | | 569 | 553 | 16 |
| 1970-08-22 | @ KCA | 122 | W 8-1 | 63-59 | 4 | 9,884 | Gary Peters | Jim Rooker | Gary Peters | Jim Rooker | | 577 | 554 | 23 |
| 1970-08-23 | @ KCA | 123 | L 3-4 | 63-60 | 4 | 11,992 | Cal Koonce | Bob Johnson | Bob Johnson | Sparky Lyle | | 580 | 558 | 22 |
| 1970-08-25 | @ MIN | 124 | W 1-0 | 64-60 | 4 | 17,697 | Vicente Romo | Bill Zepp | Ken Brett | Tom Hall | Gary Wagner | 581 | 558 | 23 |
| 1970-08-26 | @ MIN | 125 | L 0-7 | 64-61 | 4 | 19,993 | Ray Culp | Bert Blyleven | Bert Blyleven | Ray Culp | | 581 | 565 | 16 |
| 1970-08-27 | @ MIN | 126 | L 2-5 | 64-62 | 4 | 16,042 | Sonny Siebert | Jim Perry | Jim Perry | Sonny Siebert | | 583 | 570 | 13 |
| 1970-08-28 | @ CHA | 127 | W 5-4 | 65-62 | 4 | 12,479 | Gary Peters | Tommy John | Gary Peters | Tommy John | Gary Wagner | 588 | 574 | 14 |
| 1970-08-29 | @ CHA | 128 | L 9-13 | 65-63 | 4 | 6,032 | Cal Koonce | Bart Johnson | Bob Miller | Chuck Hartenstein | Wilbur Wood | 597 | 587 | 10 |
| 1970-08-30 | @ CHA | 129 | W 21-11 | 67-63 | 4 | 0 | Vicente Romo | Gerry Janeski | Ken Brett | Gerry Janeski | Sparky Lyle | 618 | 598 | 20 |
| 1970-08-30 | @ CHA | 130 | W 4-1 | 67-63 | 4 | 8,552 | Mike Nagy | Jim Magnuson | Mike Nagy | Jim Magnuson | | 622 | 599 | 23 |
| 1970-08-31 | vs DET | 131 | W 4-2 | 68-63 | 4 | 22,339 | Ray Culp | Mickey Lolich | Ray Culp | Mickey Lolich | Sparky Lyle | 626 | 601 | 25 |
| 1970-09-01 | vs DET | 132 | L 9-10 | 68-64 | 4 | 18,794 | Sonny Siebert | Mike Kilkenny | Daryl Patterson | Sonny Siebert | Tom Timmermann | 635 | 611 | 24 |
| 1970-09-02 | vs DET | 133 | L 4-6 | 69-65 | 4 | 14,704 | Gary Peters | Bob Reed | Daryl Patterson | Sparky Lyle | | 639 | 617 | 22 |
| 1970-09-02 | vs DET | 134 | W 10-1 | 69-65 | 4 | 18,938 | Cal Koonce | Les Cain | Cal Koonce | Les Cain | | 649 | 618 | 31 |
| 1970-09-03 | vs DET | 135 | W 5-2 | 70-65 | 4 | 14,998 | Ken Brett | Joe Niekro | Ken Brett | Joe Niekro | Vicente Romo | 654 | 620 | 34 |
| 1970-09-04 | vs BAL | 136 | L 6-8 | 70-66 | 4 | 22,735 | Mike Nagy | Mike Cuellar | Moe Drabowsky | Chuck Hartenstein | Eddie Watt | 660 | 628 | 32 |
| 1970-09-05 | vs BAL | 137 | L 2-3 | 70-67 | 4 | 18,790 | Ray Culp | Tom Phoebus | Dick Hall | Ray Culp | | 662 | 631 | 31 |
| 1970-09-06 | vs BAL | 138 | W 9-8 | 71-67 | 4 | 24,580 | Sonny Siebert | Dave McNally | Sparky Lyle | Pete Richert | | 671 | 639 | 32 |
| 1970-09-07 | @ CLE | 139 | W 4-3 | 72-68 | 4 | 0 | Gary Peters | Sam McDowell | Gary Peters | Sam McDowell | Sparky Lyle | 675 | 642 | 33 |
| 1970-09-07 | @ CLE | 140 | L 2-8 | 72-68 | 4 | 17,837 | Cal Koonce | Dean Chance | Dean Chance | Cal Koonce | Vince Colbert | 677 | 650 | 27 |
| 1970-09-08 | @ CLE | 141 | W 4-3 | 73-68 | 4 | 3,194 | Ken Brett | Steve Hargan | Ken Brett | Steve Hargan | Gary Wagner | 681 | 653 | 28 |
| 1970-09-09 | @ DET | 142 | W 4-1 | 74-68 | 3 | 8,395 | Mike Nagy | Mike Kilkenny | Mike Nagy | Mike Kilkenny | | 685 | 654 | 31 |
| 1970-09-10 | @ DET | 143 | W 14-0 | 75-68 | 3 | 8,146 | Ray Culp | Les Cain | Ray Culp | Les Cain | | 699 | 654 | 45 |
| 1970-09-11 | @ BAL | 144 | L 2-3 | 75-69 | 3 | 15,799 | Sonny Siebert | Jim Palmer | Eddie Watt | Sparky Lyle | | 701 | 657 | 44 |
| 1970-09-12 | @ BAL | 145 | L 1-5 | 75-70 | 3 | 14,054 | Gary Peters | Tom Phoebus | Tom Phoebus | Gary Peters | | 702 | 662 | 40 |
| 1970-09-13 | @ BAL | 146 | L 2-13 | 75-71 | 3 | 12,063 | Ken Brett | Mike Cuellar | Mike Cuellar | Ken Brett | | 704 | 675 | 29 |
| 1970-09-15 | @ NYA | 147 | L 6-8 | 75-73 | 4 | 0 | Ray Culp | Stan Bahnsen | Stan Bahnsen | Ray Culp | Lindy McDaniel | 710 | 683 | 27 |
| 1970-09-15 | @ NYA | 148 | L 2-3 | 75-73 | 4 | 10,134 | Mike Nagy | Steve Kline | Steve Kline | Mike Nagy | | 712 | 686 | 26 |
| 1970-09-16 | @ NYA | 149 | W 3-1 | 76-73 | 4 | 6,966 | Sonny Siebert | Fritz Peterson | Roger Moret | Fritz Peterson | | 715 | 687 | 28 |
| 1970-09-17 | @ NYA | 150 | W 5-4 | 77-73 | 3 | 4,985 | Gary Peters | Mel Stottlemyre | Bobby Bolin | Jack Aker | Vicente Romo | 720 | 691 | 29 |
| 1970-09-19 | vs WS2 | 151 | W 7-3 | 79-73 | 3 | 17,285 | Ken Brett | Joe Coleman | Ken Brett | Joe Coleman | Gary Wagner | 727 | 694 | 33 |
| 1970-09-19 | vs WS2 | 152 | W 11-3 | 79-73 | 3 | 14,858 | Mike Nagy | Jim Hannan | Mike Nagy | Jim Hannan | | 738 | 697 | 41 |
| 1970-09-20 | vs WS2 | 153 | W 3-1 | 80-73 | 3 | 21,275 | Ray Culp | Jim Shellenback | Ray Culp | Jim Shellenback | | 741 | 698 | 43 |
| 1970-09-21 | vs CLE | 154 | W 2-1 | 81-73 | 3 | 10,010 | Sonny Siebert | Rich Hand | Sonny Siebert | Rich Hand | Bobby Bolin | 743 | 699 | 44 |
| 1970-09-22 | vs CLE | 155 | W 8-2 | 82-73 | 3 | 11,959 | Gary Peters | Sam McDowell | Gary Peters | Sam McDowell | | 751 | 701 | 50 |
| 1970-09-23 | vs CLE | 156 | L 2-5 | 82-74 | 3 | 3,334 | Ken Brett | Steve Hargan | Steve Hargan | Ken Brett | | 753 | 706 | 47 |
| 1970-09-24 | @ WS2 | 157 | W 4-3 | 83-74 | 3 | 3,660 | Roger Moret | Jim Hannan | Vicente Romo | Jim Hannan | Bobby Bolin | 757 | 709 | 48 |
| 1970-09-25 | @ WS2 | 158 | W 5-1 | 84-74 | 3 | 5,354 | Ray Culp | Jim Shellenback | Ray Culp | Jim Shellenback | | 762 | 710 | 52 |
| 1970-09-26 | @ WS2 | 159 | W 6-3 | 85-74 | 3 | 6,871 | Sonny Siebert | Bill Gogolewski | Sonny Siebert | Bill Gogolewski | Gary Wagner | 768 | 713 | 55 |
| 1970-09-27 | @ WS2 | 160 | W 10-1 | 86-74 | 3 | 4,978 | Gary Peters | Dick Bosman | Gary Peters | Dick Bosman | | 778 | 714 | 64 |
| 1970-09-29 | vs NYA | 161 | W 5-4 | 87-74 | 3 | 14,254 | Ken Brett | Steve Kline | Bobby Bolin | Steve Kline | | 783 | 718 | 65 |
| 1970-09-30 | vs NYA | 162 | L 3-4 | 87-75 | 3 | 16,255 | Mike Nagy | Fritz Peterson | Fritz Peterson | Mike Nagy | Lindy McDaniel | 786 | 722 | 64 |