| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 10.82 | 197107150_CHA_TEX |
| Sam McDowell | CLE | 4.18 | 197107101_CLE_BAL |
| Mel Stottlemyre | NYA | 3.6 | 197107150_MIL_NYA |
| Bill Parsons | MIL | 2.86 | 197107112_MIL_CHA |
| Ferguson Jenkins | CHN | 2.42 | 197107100_CHN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | SLN | -4.45 | 197107152_WAS_SLN |
| Tom Phoebus | SDN | -1.15 | 197107111_CHN_SDN |
| Dave Boswell | BAL | -0.8 | 197107102_CLE_BAL |
| Denny McLain | TEX | -0.69 | 197107100_DET_TEX |
| Milt Pappas | CHN | -0.54 | 197107111_CHN_SDN |
Based on accumulated WAA for this season up to 1971-07-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.45 | Vida Blue | 184.3 | OAK |
| +004+ | 5.4 | Wilbur Wood | 154 | CHA |
| +009+ | 4.57 | Dave Roberts | 148.3 | SDN |
| +012+ | 4.24 | Dock Ellis | 136.7 | PIT |
| +013+ | 4.11 | Bill Parsons | 139.3 | MIL |
| +019+ | 3.59 | Al Downing | 152 | LAN |
| +020+ | 3.52 | Tom Seaver | 147 | NYN |
| +023+ | 3.46 | Larry Dierker | 142 | HOU |
| +028+ | 3.22 | Jim Palmer | 157.3 | BAL |
| +034+ | 2.98 | John Cumberland | 76.3 | SFN |
| +039+ | 2.85 | Nolan Ryan | 104.3 | NYN |
| +041+ | 2.79 | Eddie Fisher | 77 | ANA |
| +043+ | 2.71 | Ferguson Jenkins | 174.7 | CHN |
| +045+ | 2.62 | Mel Stottlemyre | 163.7 | NYA |
| +047+ | 2.56 | Marty Pattin | 153.7 | MIL |
| +048+ | 2.52 | Don Sutton | 144 | LAN |
| +050+ | 2.5 | Juan Marichal | 154 | SFN |
| +054+ | 2.31 | Don Gullett | 121 | CIN |
| +058+ | 2.21 | Mike Cuellar | 165.7 | BAL |
| +063+ | 2.15 | Mike Hedlund | 117.7 | KCA |
| +062+ | 2.15 | Steve Blass | 144.7 | PIT |
| +067+ | 2.08 | Skip Lockwood | 114.7 | MIL |
| +069+ | 2.02 | Mickey Lolich | 213.7 | DET |
| +071+ | 1.95 | Tom Bradley | 150.3 | CHA |
| +075+ | 1.92 | Sonny Siebert | 143 | BOS |
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