| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vida Blue | OAK | 19.29 | 197109070_ANA_OAK |
| 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 |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -4.72 | 197109050_CLE_BOS |
| Jerry Reuss | SLN | -4.06 | 197109050_CHN_SLN |
| Jim Perry | MIN | -2.33 | 197109070_MIN_CHA |
| Wayne Simpson | CIN | -2.02 | 197109060_CIN_SDN |
| Ken Reynolds | PHI | -1.86 | 197109070_SLN_PHI |
Based on accumulated WAA for this season up to 1971-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.11 | Vida Blue | 287 | OAK |
| +003+ | 9.57 | Wilbur Wood | 274 | CHA |
| +004+ | 9.17 | Tom Seaver | 243.3 | NYN |
| +006+ | 8.8 | Dave Roberts | 233.3 | SDN |
| +017+ | 4.81 | Ferguson Jenkins | 282 | CHN |
| +019+ | 4.77 | Don Gullett | 190 | CIN |
| +024+ | 4.56 | Don Wilson | 234 | HOU |
| +030+ | 4.32 | Don Sutton | 224.3 | LAN |
| +032+ | 4.07 | Al Downing | 229 | LAN |
| +033+ | 4.02 | Jim Palmer | 241.7 | BAL |
| +036+ | 3.98 | Tom Bradley | 246.7 | CHA |
| +037+ | 3.97 | Mickey Lolich | 328 | DET |
| +040+ | 3.83 | Paul Splittorff | 126.7 | KCA |
| +044+ | 3.68 | Sonny Siebert | 228.7 | BOS |
| +051+ | 3.52 | Bill Parsons | 210.3 | MIL |
| +055+ | 3.37 | Pat Dobson | 251.7 | BAL |
| +056+ | 3.35 | Mel Stottlemyre | 229 | NYA |
| +062+ | 3.08 | Juan Marichal | 236.3 | SFN |
| +064+ | 3.03 | Mike Hedlund | 175 | KCA |
| +066+ | 2.91 | Marty Pattin | 235.7 | MIL |
| +068+ | 2.85 | Bert Blyleven | 237 | MIN |
| +070+ | 2.78 | Dock Ellis | 204.3 | PIT |
| +071+ | 2.77 | Dick Drago | 209.7 | KCA |
| +072+ | 2.73 | Steve Kline | 203.3 | NYA |
| +075+ | 2.65 | Phil Niekro | 233 | ATL |
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