| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 6.33 | 197105140_BAL_BOS |
| Jerry Koosman | NYN | 4.51 | 197105140_NYN_PIT |
| Gaylord Perry | SFN | 4.14 | 197105160_LAN_SFN |
| Bob Gibson | SLN | 3.72 | 197105140_SLN_HOU |
| Andy Messersmith | ANA | 3.14 | 197105150_MIL_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Murphy | ANA | -2.78 | 197105140_MIL_ANA |
| Clay Kirby | SDN | -1.69 | 197105162_SDN_CHN |
| Lew Krausse | MIL | -1.36 | 197105150_MIL_ANA |
| Alan Foster | CLE | -1.33 | 197105150_CLE_NYA |
| Jerry Janeski | TEX | -1.18 | 197105150_DET_TEX |
Based on accumulated WAA for this season up to 1971-05-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.87 | Vida Blue | 77.7 | OAK |
| +003+ | 3.12 | Tom Bradley | 69 | CHA |
| +004+ | 2.86 | Juan Marichal | 73 | SFN |
| +008+ | 2.55 | Sonny Siebert | 61.3 | BOS |
| +014+ | 2.01 | Tom Seaver | 63.3 | NYN |
| +015+ | 2 | Bill Parsons | 54.3 | MIL |
| +017+ | 1.93 | Dock Ellis | 61.7 | PIT |
| +019+ | 1.87 | Ray Lamb | 36.7 | CLE |
| +018+ | 1.87 | Steve Kline | 59 | NYA |
| +020+ | 1.85 | Al Downing | 59.3 | LAN |
| +021+ | 1.76 | Larry Dierker | 70.7 | HOU |
| +023+ | 1.72 | Bert Blyleven | 63.7 | MIN |
| +025+ | 1.66 | Bruce DalCanton | 52.3 | KCA |
| +026+ | 1.59 | Jim Palmer | 65 | BAL |
| +027+ | 1.58 | Ferguson Jenkins | 75 | CHN |
| +030+ | 1.51 | Luke Walker | 51 | PIT |
| +031+ | 1.48 | Dick Drago | 55.3 | KCA |
| +032+ | 1.48 | Nolan Ryan | 32.3 | NYN |
| +036+ | 1.37 | Ron Bryant | 45.3 | SFN |
| +037+ | 1.36 | Jerry Koosman | 49.7 | NYN |
| +040+ | 1.32 | Marty Pattin | 64.3 | MIL |
| XXXXX | 1.18 | Andy Messersmith | 65.7 | ANA |
| XXXXX | 1.06 | Pat Dobson | 53 | BAL |
| XXXXX | 1.02 | Gary Gentry | 53.3 | NYN |
| XXXXX | 1.02 | Lew Krausse | 44.7 | MIL |
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