| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 10.75 | 197109010_CHA_MIN |
| Tom Seaver | NYN | 10.65 | 197109010_NYN_SLN |
| Dave Roberts | SDN | 7.92 | 197109010_SDN_CIN |
| Ferguson Jenkins | CHN | 4.05 | 197109010_WAS_CHN |
| Jim Palmer | BAL | 3.25 | 197108310_BAL_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | SLN | -5.38 | 197108310_NYN_SLN |
| Gary Peters | BOS | -4.93 | 197108310_BAL_BOS |
| Wayne Simpson | CIN | -2.88 | 197108310_SDN_CIN |
| Carl Morton | WAS | -2.36 | 197108311_WAS_CHN |
| Bob Moose | PIT | -1.15 | 197108310_PHI_PIT |
Based on accumulated WAA for this season up to 1971-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.09 | Vida Blue | 275.3 | OAK |
| +004+ | 8.77 | Wilbur Wood | 265 | CHA |
| +005+ | 8.36 | Tom Seaver | 234.3 | NYN |
| +007+ | 8.17 | Dave Roberts | 226.3 | SDN |
| +012+ | 5.57 | Ferguson Jenkins | 277.7 | CHN |
| +021+ | 4.54 | Don Gullett | 183 | CIN |
| +022+ | 4.5 | Paul Splittorff | 120 | KCA |
| +030+ | 3.89 | Don Sutton | 217.3 | LAN |
| +031+ | 3.86 | Tom Bradley | 235.7 | CHA |
| +037+ | 3.65 | Juan Marichal | 231.7 | SFN |
| +038+ | 3.64 | Don Wilson | 216 | HOU |
| +039+ | 3.62 | Jim Palmer | 232.7 | BAL |
| +051+ | 3.29 | Mel Stottlemyre | 229 | NYA |
| +053+ | 3.27 | Al Downing | 220 | LAN |
| +056+ | 3.13 | Pat Dobson | 237 | BAL |
| +058+ | 3.07 | Clay Kirby | 218 | SDN |
| +062+ | 2.9 | Rick Wise | 219 | PHI |
| +063+ | 2.9 | Bill Parsons | 201.3 | MIL |
| +064+ | 2.8 | Larry Dierker | 159 | HOU |
| +065+ | 2.75 | Dock Ellis | 204.3 | PIT |
| +066+ | 2.75 | Sonny Siebert | 210.7 | BOS |
| +067+ | 2.73 | Steve Kline | 196.3 | NYA |
| +069+ | 2.67 | Fritz Peterson | 224 | NYA |
| +077+ | 2.49 | Lew Krausse | 151 | MIL |
| +079+ | 2.45 | Mickey Lolich | 310 | DET |
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