| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vida Blue | OAK | 17.31 | 197109120_MIN_OAK |
| Wilbur Wood | CHA | 13.18 | 197109120_CHA_KCA |
| Tom Seaver | NYN | 12.36 | 197109110_PHI_NYN |
| Don Wilson | HOU | 2.59 | 197109120_HOU_CIN |
| Pat Dobson | BAL | 2.24 | 197109132_DET_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | SLN | -3.91 | 197109110_SLN_CHN |
| Jim Perry | MIN | -3.16 | 197109120_MIN_OAK |
| Carl Morton | WAS | -2.74 | 197109130_WAS_NYN |
| Ken Holtzman | CHN | -2.52 | 197109120_SLN_CHN |
| Ken Reynolds | PHI | -2.06 | 197109130_PHI_SLN |
Based on accumulated WAA for this season up to 1971-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.18 | Vida Blue | 295 | OAK |
| +003+ | 10.36 | Wilbur Wood | 292 | CHA |
| +004+ | 9.91 | Tom Seaver | 252.3 | NYN |
| +007+ | 8.88 | Dave Roberts | 240.3 | SDN |
| +017+ | 5.22 | Don Wilson | 243 | HOU |
| +020+ | 5.08 | Don Gullett | 197.7 | CIN |
| +026+ | 4.47 | Jim Palmer | 250.7 | BAL |
| +027+ | 4.46 | Don Sutton | 232 | LAN |
| +029+ | 4.39 | Al Downing | 236.3 | LAN |
| +030+ | 4.3 | Paul Splittorff | 135.7 | KCA |
| +032+ | 4.2 | Ferguson Jenkins | 289 | CHN |
| +041+ | 3.9 | Bill Parsons | 221.3 | MIL |
| +046+ | 3.63 | Mel Stottlemyre | 236 | NYA |
| +052+ | 3.52 | Sonny Siebert | 235.3 | BOS |
| +056+ | 3.31 | Mike Hedlund | 182 | KCA |
| +062+ | 3.08 | Tom Bradley | 251.7 | CHA |
| +063+ | 3.06 | Dave McNally | 205 | BAL |
| +064+ | 3.05 | Mickey Lolich | 333 | DET |
| +065+ | 2.98 | Lew Krausse | 164.7 | MIL |
| +068+ | 2.88 | Pat Dobson | 254.3 | BAL |
| +071+ | 2.79 | Bert Blyleven | 242.3 | MIN |
| +072+ | 2.76 | Steve Blass | 223 | PIT |
| +074+ | 2.74 | Marty Pattin | 242.7 | MIL |
| +075+ | 2.71 | Dock Ellis | 204.3 | PIT |
| +076+ | 2.71 | Dick Drago | 215.3 | KCA |
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