| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vida Blue | OAK | 16 | 197109170_OAK_MIL |
| Wilbur Wood | CHA | 13.27 | 197109190_ANA_CHA |
| Dave Roberts | SDN | 10.29 | 197109190_SDN_SFN |
| Don Wilson | HOU | 3.07 | 197109170_CIN_HOU |
| Don Sutton | LAN | 2.66 | 197109192_ATL_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Perry | MIN | -3.4 | 197109170_KCA_MIN |
| Carl Morton | WAS | -3.28 | 197109170_SLN_WAS |
| Ken Reynolds | PHI | -2.77 | 197109170_CHN_PHI |
| Jim Nash | ATL | -2.43 | 197109180_ATL_LAN |
| Steve Dunning | CLE | -2.41 | 197109190_CLE_NYA |
Based on accumulated WAA for this season up to 1971-09-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.7 | Wilbur Wood | 310 | CHA |
| +003+ | 10.68 | Vida Blue | 300 | OAK |
| +005+ | 10.37 | Tom Seaver | 261.3 | NYN |
| +007+ | 9.39 | Dave Roberts | 257.3 | SDN |
| +016+ | 5.64 | Don Wilson | 252.3 | HOU |
| +017+ | 5.61 | Don Sutton | 250 | LAN |
| +021+ | 4.93 | Al Downing | 252 | LAN |
| +022+ | 4.9 | Ferguson Jenkins | 307 | CHN |
| +024+ | 4.82 | Mel Stottlemyre | 254 | NYA |
| +035+ | 4.25 | Don Gullett | 204 | CIN |
| +039+ | 4.06 | Jim Palmer | 264 | BAL |
| +041+ | 3.99 | Mickey Lolich | 351 | DET |
| +044+ | 3.79 | Mike Hedlund | 191 | KCA |
| +048+ | 3.64 | Tug McGraw | 105 | NYN |
| +052+ | 3.56 | Bert Blyleven | 260.3 | MIN |
| +056+ | 3.46 | Sonny Siebert | 235.3 | BOS |
| +059+ | 3.42 | Paul Splittorff | 140.7 | KCA |
| +058+ | 3.42 | Steve Blass | 232 | PIT |
| +060+ | 3.35 | Gaylord Perry | 262 | SFN |
| +063+ | 3.28 | Rick Wise | 256.3 | PHI |
| +066+ | 3.23 | Steve Kline | 221.3 | NYA |
| +068+ | 3.17 | Pat Dobson | 263.3 | BAL |
| +072+ | 3.04 | Tom Bradley | 267.3 | CHA |
| +073+ | 3.01 | Dock Ellis | 211.3 | PIT |
| +074+ | 2.97 | Dick Drago | 224.3 | KCA |
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