| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -2.04 | 197105110_BOS_MIN |
| Jim Bunning | PHI | -1.51 | 197105120_CHN_PHI |
| Jim Merritt | CIN | -1.44 | 197105110_CIN_SFN |
| Don Wilson | HOU | -0.84 | 197105120_HOU_NYN |
| Don Sutton | LAN | -0.79 | 197105120_ATL_LAN |
Based on accumulated WAA for this season up to 1971-05-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.86 | Vida Blue | 70.7 | OAK |
| +003+ | 3.06 | Tom Bradley | 64 | CHA |
| +010+ | 2.11 | Juan Marichal | 64 | SFN |
| +011+ | 1.97 | Al Downing | 53.7 | LAN |
| +013+ | 1.94 | Tom Seaver | 63.3 | NYN |
| +015+ | 1.87 | Larry Dierker | 64.7 | HOU |
| +017+ | 1.8 | Sonny Siebert | 52.3 | BOS |
| +022+ | 1.68 | Bert Blyleven | 63.7 | MIN |
| +021+ | 1.68 | Ferguson Jenkins | 66 | CHN |
| +023+ | 1.65 | Bill Parsons | 47.7 | MIL |
| +024+ | 1.64 | Steve Kline | 51 | NYA |
| +025+ | 1.63 | Dock Ellis | 53 | PIT |
| +029+ | 1.5 | Bruce DalCanton | 45.3 | KCA |
| +030+ | 1.47 | Luke Walker | 51 | PIT |
| +031+ | 1.45 | Dick Drago | 52.7 | KCA |
| +032+ | 1.37 | Claude Osteen | 64.7 | LAN |
| +034+ | 1.34 | Ray Lamb | 27.7 | CLE |
| +036+ | 1.33 | Ron Bryant | 45.3 | SFN |
| +037+ | 1.32 | Jim Palmer | 57 | BAL |
| +038+ | 1.28 | Marty Pattin | 56.3 | MIL |
| XXXXX | 1.14 | Bob Johnson | 38.7 | PIT |
| XXXXX | 1.11 | Nolan Ryan | 25.3 | NYN |
| XXXXX | 1.04 | Jerry Koosman | 40.7 | NYN |
| XXXXX | 1 | Wilbur Wood | 34.7 | CHA |
| XXXXX | 1 | Pat Dobson | 53 | BAL |
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