| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vida Blue | OAK | 13.46 | 197109220_CHA_OAK |
| Wilbur Wood | CHA | 13.22 | 197109230_CHA_ANA |
| Tom Seaver | NYN | 12.7 | 197109210_NYN_CHN |
| Don Wilson | HOU | 3.49 | 197109230_SFN_HOU |
| Jim Palmer | BAL | 2.37 | 197109220_BAL_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | SLN | -4.39 | 197109210_PIT_SLN |
| Carl Morton | WAS | -3.82 | 197109211_PHI_WAS |
| Jim Perry | MIN | -3.36 | 197109210_MIL_MIN |
| Ken Reynolds | PHI | -2.86 | 197109212_PHI_WAS |
| Jim Lonborg | BOS | -1.81 | 197109210_DET_BOS |
Based on accumulated WAA for this season up to 1971-09-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.37 | Wilbur Wood | 319 | CHA |
| +003+ | 11.02 | Vida Blue | 305 | OAK |
| +005+ | 10.29 | Tom Seaver | 268.3 | NYN |
| +007+ | 9.35 | Dave Roberts | 257.3 | SDN |
| +015+ | 6.02 | Don Wilson | 260.3 | HOU |
| +017+ | 5.59 | Don Sutton | 250 | LAN |
| +023+ | 4.91 | Al Downing | 252 | LAN |
| +024+ | 4.84 | Ferguson Jenkins | 307 | CHN |
| +025+ | 4.77 | Mel Stottlemyre | 254 | NYA |
| +030+ | 4.52 | Jim Palmer | 273 | BAL |
| +031+ | 4.44 | Don Gullett | 212 | CIN |
| +043+ | 3.95 | Mickey Lolich | 359 | DET |
| +046+ | 3.83 | Gaylord Perry | 271 | SFN |
| +050+ | 3.71 | Tom Bradley | 276.3 | CHA |
| +049+ | 3.71 | Tug McGraw | 106 | NYN |
| +051+ | 3.66 | Mike Hedlund | 197.7 | KCA |
| +058+ | 3.5 | Bert Blyleven | 260.3 | MIN |
| +063+ | 3.4 | Sonny Siebert | 235.3 | BOS |
| +062+ | 3.4 | Rick Wise | 263.3 | PHI |
| +064+ | 3.39 | Steve Blass | 232 | PIT |
| +065+ | 3.38 | Paul Splittorff | 140.7 | KCA |
| +067+ | 3.24 | Dick Drago | 233.3 | KCA |
| +073+ | 2.94 | Dave McNally | 217.3 | BAL |
| +074+ | 2.92 | Pat Dobson | 271.3 | BAL |
| +075+ | 2.91 | Lew Krausse | 178 | MIL |
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