| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 8.82 | 197105170_NYN_ATL |
| Mel Stottlemyre | NYA | 4.72 | 197105170_BAL_NYA |
| Gaylord Perry | SFN | 4.14 | 197105160_LAN_SFN |
| Larry Dierker | HOU | 2.57 | 197105160_SLN_HOU |
| Dick Bosman | TEX | 2.54 | 197105170_CLE_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Murphy | ANA | -3.07 | 197105180_MIN_ANA |
| Jim Bunning | PHI | -2.74 | 197105170_PHI_CIN |
| Gary Peters | BOS | -2.33 | 197105180_DET_BOS |
| Jim Merritt | CIN | -2.12 | 197105170_PHI_CIN |
| Clay Kirby | SDN | -1.69 | 197105162_SDN_CHN |
Based on accumulated WAA for this season up to 1971-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.87 | Vida Blue | 77.7 | OAK |
| +003+ | 3.12 | Tom Bradley | 69 | CHA |
| +004+ | 2.87 | Juan Marichal | 73 | SFN |
| +009+ | 2.55 | Sonny Siebert | 61.3 | BOS |
| +011+ | 2.38 | Bert Blyleven | 71.7 | MIN |
| +015+ | 2.12 | Tom Seaver | 73 | NYN |
| +016+ | 2.02 | Bill Parsons | 54.3 | MIL |
| +017+ | 1.94 | Dock Ellis | 61.7 | PIT |
| +018+ | 1.88 | Steve Kline | 59 | NYA |
| +020+ | 1.87 | Al Downing | 59.3 | LAN |
| +019+ | 1.87 | Ray Lamb | 36.7 | CLE |
| +023+ | 1.77 | Larry Dierker | 70.7 | HOU |
| +024+ | 1.67 | Bruce DalCanton | 52.3 | KCA |
| +025+ | 1.61 | Jim Palmer | 65 | BAL |
| +028+ | 1.59 | Ferguson Jenkins | 75 | CHN |
| +032+ | 1.49 | Dick Drago | 55.3 | KCA |
| +035+ | 1.47 | Nolan Ryan | 32.3 | NYN |
| +037+ | 1.38 | Dave Roberts | 53 | SDN |
| +040+ | 1.35 | Jerry Koosman | 49.7 | NYN |
| +042+ | 1.28 | Ron Bryant | 52.3 | SFN |
| XXXXX | 1.19 | Andy Messersmith | 65.7 | ANA |
| XXXXX | 1.07 | Ken Forsch | 24.3 | HOU |
| XXXXX | 1.07 | Bob Johnson | 48 | PIT |
| XXXXX | 1.04 | Lew Krausse | 44.7 | MIL |
| XXXXX | 1.01 | Gary Gentry | 53.3 | NYN |
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