| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 14.53 | 197109260_CHA_ANA |
| Vida Blue | OAK | 13.63 | 197109260_MIL_OAK |
| Tom Seaver | NYN | 11.54 | 197109260_PIT_NYN |
| Dave Roberts | SDN | 9.96 | 197109242_HOU_SDN |
| Don Sutton | LAN | 3.33 | 197109250_LAN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | SLN | -5.03 | 197109250_WAS_SLN |
| Carl Morton | WAS | -4.62 | 197109250_WAS_SLN |
| Ken Reynolds | PHI | -2.8 | 197109260_PHI_CHN |
| Jim Perry | MIN | -2.5 | 197109261_MIN_KCA |
| Steve Dunning | CLE | -2.11 | 197109250_BAL_CLE |
Based on accumulated WAA for this season up to 1971-09-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.62 | Vida Blue | 312 | OAK |
| +003+ | 11.48 | Wilbur Wood | 325 | CHA |
| +004+ | 10.74 | Tom Seaver | 277.3 | NYN |
| +007+ | 9.08 | Dave Roberts | 266.3 | SDN |
| +015+ | 5.89 | Don Wilson | 260.3 | HOU |
| +017+ | 5.67 | Al Downing | 261 | LAN |
| +020+ | 5.39 | Ferguson Jenkins | 316 | CHN |
| +021+ | 5.29 | Don Sutton | 256.3 | LAN |
| +022+ | 5.25 | Jim Palmer | 282 | BAL |
| +031+ | 4.5 | Don Gullett | 217.7 | CIN |
| +043+ | 4.09 | Tug McGraw | 111 | NYN |
| +044+ | 4.08 | Mickey Lolich | 368 | DET |
| +046+ | 3.89 | Gaylord Perry | 271 | SFN |
| +047+ | 3.85 | Bert Blyleven | 269.3 | MIN |
| +050+ | 3.69 | Mel Stottlemyre | 260.7 | NYA |
| +051+ | 3.68 | Mike Hedlund | 197.7 | KCA |
| +054+ | 3.64 | Pat Dobson | 280.3 | BAL |
| +057+ | 3.6 | Clay Kirby | 258.3 | SDN |
| +061+ | 3.45 | Rick Wise | 263.3 | PHI |
| +062+ | 3.42 | Sonny Siebert | 235.3 | BOS |
| +065+ | 3.37 | Steve Blass | 240 | PIT |
| +067+ | 3.23 | Tom Bradley | 277.7 | CHA |
| +068+ | 3.2 | Ken Forsch | 179.3 | HOU |
| +070+ | 3.07 | Dick Drago | 241.3 | KCA |
| +077+ | 2.94 | Dave McNally | 217.3 | BAL |
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