| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 13.22 | 197109230_CHA_ANA |
| Dave Roberts | SDN | 9.96 | 197109242_HOU_SDN |
| Don Wilson | HOU | 3.49 | 197109230_SFN_HOU |
| Don Sutton | LAN | 3.33 | 197109250_LAN_ATL |
| Ferguson Jenkins | CHN | 2.45 | 197109250_PHI_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | SLN | -5.03 | 197109250_WAS_SLN |
| Carl Morton | WAS | -4.62 | 197109250_WAS_SLN |
| Steve Dunning | CLE | -2.11 | 197109250_BAL_CLE |
| Denny McLain | TEX | -1.38 | 197109250_TEX_BOS |
| Barry Lersch | PHI | -1.06 | 197109240_PHI_CHN |
Based on accumulated WAA for this season up to 1971-09-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.43 | Wilbur Wood | 319 | CHA |
| +003+ | 11.06 | Vida Blue | 305 | OAK |
| +005+ | 10.22 | Tom Seaver | 268.3 | NYN |
| +007+ | 9.08 | Dave Roberts | 266.3 | SDN |
| +015+ | 5.88 | Don Wilson | 260.3 | HOU |
| +017+ | 5.66 | Al Downing | 261 | LAN |
| +020+ | 5.39 | Ferguson Jenkins | 316 | CHN |
| +021+ | 5.29 | Don Sutton | 256.3 | LAN |
| +028+ | 4.52 | Jim Palmer | 273 | BAL |
| +029+ | 4.5 | Don Gullett | 217.7 | CIN |
| +043+ | 4.09 | Tug McGraw | 111 | NYN |
| +045+ | 3.99 | Mickey Lolich | 359 | DET |
| +046+ | 3.88 | Gaylord Perry | 271 | SFN |
| +047+ | 3.84 | Bert Blyleven | 269.3 | MIN |
| +048+ | 3.77 | Tom Bradley | 276.3 | CHA |
| +051+ | 3.68 | Mike Hedlund | 197.7 | KCA |
| +050+ | 3.68 | Mel Stottlemyre | 260.7 | NYA |
| +054+ | 3.64 | Pat Dobson | 280.3 | BAL |
| +058+ | 3.6 | Clay Kirby | 258.3 | SDN |
| +062+ | 3.44 | Rick Wise | 263.3 | PHI |
| +063+ | 3.42 | Sonny Siebert | 235.3 | BOS |
| +065+ | 3.34 | Steve Blass | 232 | PIT |
| +066+ | 3.26 | Dick Drago | 233.3 | KCA |
| +068+ | 3.19 | Ken Forsch | 179.3 | HOU |
| +079+ | 2.94 | Dave McNally | 217.3 | BAL |
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