| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vida Blue | OAK | 13.46 | 197109220_CHA_OAK |
| Wilbur Wood | CHA | 13.22 | 197109230_CHA_ANA |
| Dave Roberts | SDN | 9.96 | 197109242_HOU_SDN |
| Don Wilson | HOU | 3.49 | 197109230_SFN_HOU |
| Al Downing | LAN | 2.47 | 197109240_LAN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Singer | LAN | -1.72 | 197109220_LAN_CIN |
| Mike Paul | CLE | -1.68 | 197109242_BAL_CLE |
| Barry Lersch | PHI | -1.06 | 197109240_PHI_CHN |
| Reggie Cleveland | SLN | -0.81 | 197109230_PIT_SLN |
| Jim Slaton | MIL | -0.59 | 197109240_MIL_OAK |
Based on accumulated WAA for this season up to 1971-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.38 | Wilbur Wood | 319 | CHA |
| +003+ | 11.02 | Vida Blue | 305 | OAK |
| +005+ | 10.28 | Tom Seaver | 268.3 | NYN |
| +007+ | 9.05 | Dave Roberts | 266.3 | SDN |
| +016+ | 5.85 | Don Wilson | 260.3 | HOU |
| +017+ | 5.63 | Al Downing | 261 | LAN |
| +018+ | 5.58 | Don Sutton | 250 | LAN |
| +024+ | 4.83 | Ferguson Jenkins | 307 | CHN |
| +029+ | 4.52 | Jim Palmer | 273 | BAL |
| +030+ | 4.43 | Don Gullett | 212 | CIN |
| +044+ | 3.94 | Mickey Lolich | 359 | DET |
| +045+ | 3.84 | Gaylord Perry | 271 | SFN |
| +048+ | 3.72 | Tom Bradley | 276.3 | CHA |
| +049+ | 3.71 | Tug McGraw | 106 | NYN |
| +051+ | 3.66 | Mike Hedlund | 197.7 | KCA |
| +053+ | 3.64 | Mel Stottlemyre | 260.7 | NYA |
| +052+ | 3.64 | Pat Dobson | 280.3 | BAL |
| +057+ | 3.57 | Clay Kirby | 258.3 | SDN |
| +060+ | 3.49 | Bert Blyleven | 260.3 | MIN |
| +063+ | 3.4 | Rick Wise | 263.3 | PHI |
| +064+ | 3.39 | Sonny Siebert | 235.3 | BOS |
| +065+ | 3.39 | Steve Blass | 232 | PIT |
| +066+ | 3.38 | Paul Splittorff | 140.7 | KCA |
| +069+ | 3.23 | Dick Drago | 233.3 | KCA |
| +070+ | 3.17 | Ken Forsch | 179.3 | HOU |
_