| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vida Blue | OAK | 19.29 | 197109070_ANA_OAK |
| Wilbur Wood | CHA | 13.23 | 197109080_MIN_CHA |
| Tom Seaver | NYN | 10.59 | 197109060_NYN_WAS |
| Dave Roberts | SDN | 9.45 | 197109060_CIN_SDN |
| Don Gullett | CIN | 2.69 | 197109080_CIN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carl Morton | WAS | -3.22 | 197109080_NYN_WAS |
| Jim Perry | MIN | -2.33 | 197109070_MIN_CHA |
| Chris Zachary | SLN | -2.04 | 197109062_SLN_PHI |
| Wayne Simpson | CIN | -2.02 | 197109060_CIN_SDN |
| Bill Singer | LAN | -1.93 | 197109080_SFN_LAN |
Based on accumulated WAA for this season up to 1971-09-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.09 | Vida Blue | 287 | OAK |
| +003+ | 9.65 | Wilbur Wood | 283 | CHA |
| +004+ | 9.17 | Tom Seaver | 243.3 | NYN |
| +006+ | 8.78 | Dave Roberts | 233.3 | SDN |
| +016+ | 5.18 | Don Gullett | 197.7 | CIN |
| +020+ | 4.8 | Ferguson Jenkins | 282 | CHN |
| +023+ | 4.55 | Don Wilson | 234 | HOU |
| +028+ | 4.3 | Don Sutton | 224.3 | LAN |
| +032+ | 4.06 | Al Downing | 229 | LAN |
| +034+ | 4.01 | Jim Palmer | 241.7 | BAL |
| +036+ | 3.96 | Tom Bradley | 246.7 | CHA |
| +037+ | 3.95 | Mickey Lolich | 328 | DET |
| +040+ | 3.82 | Paul Splittorff | 126.7 | KCA |
| +045+ | 3.66 | Mel Stottlemyre | 236 | NYA |
| +047+ | 3.63 | Sonny Siebert | 228.7 | BOS |
| +052+ | 3.5 | Bill Parsons | 210.3 | MIL |
| +056+ | 3.35 | Pat Dobson | 251.7 | BAL |
| +062+ | 3.01 | Mike Hedlund | 175 | KCA |
| +065+ | 2.88 | Marty Pattin | 235.7 | MIL |
| +067+ | 2.85 | Juan Marichal | 241.3 | SFN |
| +068+ | 2.83 | Bert Blyleven | 237 | MIN |
| +070+ | 2.77 | Dock Ellis | 204.3 | PIT |
| +071+ | 2.75 | Dick Drago | 209.7 | KCA |
| +073+ | 2.69 | Steve Kline | 203.3 | NYA |
| +075+ | 2.64 | Gaylord Perry | 238.7 | SFN |
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