| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 11.6 | 197109050_KCA_CHA |
| Tom Seaver | NYN | 10.59 | 197109060_NYN_WAS |
| Dave Roberts | SDN | 9.45 | 197109060_CIN_SDN |
| Ferguson Jenkins | CHN | 4.42 | 197109050_CHN_SLN |
| Paul Splittorff | KCA | 2.89 | 197109050_KCA_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -4.72 | 197109050_CLE_BOS |
| Jerry Reuss | SLN | -4.06 | 197109050_CHN_SLN |
| Carl Morton | WAS | -3.13 | 197109040_WAS_PIT |
| Wayne Simpson | CIN | -2.02 | 197109060_CIN_SDN |
| Ken Holtzman | CHN | -1.69 | 197109062_CHN_PIT |
Based on accumulated WAA for this season up to 1971-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.47 | Vida Blue | 284 | OAK |
| +003+ | 9.55 | Wilbur Wood | 274 | CHA |
| +004+ | 9.13 | Tom Seaver | 243.3 | NYN |
| +005+ | 8.78 | Dave Roberts | 233.3 | SDN |
| +017+ | 4.78 | Ferguson Jenkins | 282 | CHN |
| +018+ | 4.74 | Don Gullett | 190 | CIN |
| +026+ | 4.3 | Don Sutton | 224.3 | LAN |
| +029+ | 4.05 | Al Downing | 229 | LAN |
| +031+ | 4.02 | Don Wilson | 225 | HOU |
| +032+ | 4 | Jim Palmer | 241.7 | BAL |
| +033+ | 3.98 | Mickey Lolich | 328 | DET |
| +038+ | 3.84 | Tom Bradley | 242.7 | CHA |
| +040+ | 3.82 | Paul Splittorff | 126.7 | KCA |
| +048+ | 3.55 | Sonny Siebert | 219.7 | BOS |
| +050+ | 3.49 | Bill Parsons | 210.3 | MIL |
| +056+ | 3.35 | Pat Dobson | 251.7 | BAL |
| +057+ | 3.33 | Mel Stottlemyre | 229 | NYA |
| +064+ | 3.04 | Juan Marichal | 236.3 | SFN |
| +065+ | 3.01 | Mike Hedlund | 175 | KCA |
| +066+ | 3 | Marty Pattin | 229.7 | MIL |
| +068+ | 2.83 | Dick Drago | 203 | KCA |
| +069+ | 2.82 | Fritz Peterson | 233 | NYA |
| +070+ | 2.81 | Bert Blyleven | 237 | MIN |
| +071+ | 2.76 | Dock Ellis | 204.3 | PIT |
| +074+ | 2.71 | Steve Kline | 203.3 | NYA |
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