| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vida Blue | OAK | 16 | 197109170_OAK_MIL |
| Tom Seaver | NYN | 12.22 | 197109160_CHN_NYN |
| Don Wilson | HOU | 3.07 | 197109170_CIN_HOU |
| Jim Palmer | BAL | 2.44 | 197109180_BAL_DET |
| Mel Stottlemyre | NYA | 1.86 | 197109180_CLE_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | SLN | -3.88 | 197109160_SLN_PIT |
| Jim Perry | MIN | -3.4 | 197109170_KCA_MIN |
| Carl Morton | WAS | -3.28 | 197109170_SLN_WAS |
| Ken Reynolds | PHI | -2.77 | 197109170_CHN_PHI |
| Jim Nash | ATL | -2.43 | 197109180_ATL_LAN |
Based on accumulated WAA for this season up to 1971-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.68 | Vida Blue | 300 | OAK |
| +004+ | 10.4 | Wilbur Wood | 301 | CHA |
| +005+ | 10.38 | Tom Seaver | 261.3 | NYN |
| +007+ | 9.35 | Dave Roberts | 249.3 | SDN |
| +016+ | 5.67 | Don Wilson | 252.3 | HOU |
| +020+ | 4.89 | Don Sutton | 241 | LAN |
| +023+ | 4.83 | Mel Stottlemyre | 254 | NYA |
| +025+ | 4.6 | Ferguson Jenkins | 298 | CHN |
| +027+ | 4.51 | Paul Splittorff | 138.7 | KCA |
| +033+ | 4.27 | Don Gullett | 204 | CIN |
| +035+ | 4.21 | Al Downing | 243 | LAN |
| +039+ | 4.07 | Jim Palmer | 264 | BAL |
| +040+ | 4 | Mickey Lolich | 351 | DET |
| +045+ | 3.79 | Mike Hedlund | 191 | KCA |
| +050+ | 3.64 | Tug McGraw | 105 | NYN |
| +051+ | 3.63 | Bill Parsons | 229.3 | MIL |
| +056+ | 3.47 | Sonny Siebert | 235.3 | BOS |
| +057+ | 3.45 | Bert Blyleven | 251.3 | MIN |
| +058+ | 3.43 | Steve Blass | 232 | PIT |
| +061+ | 3.35 | Gaylord Perry | 262 | SFN |
| +065+ | 3.28 | Rick Wise | 256.3 | PHI |
| +066+ | 3.17 | Pat Dobson | 263.3 | BAL |
| +070+ | 3.04 | Tom Bradley | 267.3 | CHA |
| +071+ | 3.02 | Dock Ellis | 211.3 | PIT |
| +073+ | 2.97 | Dick Drago | 224.3 | KCA |
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