| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 9.01 | 197005100_MIN_CLE |
| Tom Seaver | NYN | 8.72 | 197005110_WAS_NYN |
| Jim Perry | MIN | 4.28 | 197005120_BAL_MIN |
| Juan Marichal | SFN | 3.11 | 197005100_SFN_NYN |
| Mel Stottlemyre | NYA | 2.9 | 197005110_NYA_MIL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Sparma | WAS | -3.82 | 197005100_SDN_WAS |
| Gary Peters | BOS | -2.43 | 197005100_BOS_OAK |
| Gene Brabender | MIL | -1.81 | 197005101_TEX_MIL |
| Gerry Arrigo | CHA | -1.67 | 197005101_CHA_BAL |
| Don Wilson | HOU | -1.12 | 197005120_HOU_LAN |
Based on accumulated WAA for this season up to 1970-05-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 2.63 | Jim Hunter | 60 | OAK |
| +008+ | 2.59 | Tom Seaver | 69 | NYN |
| +011+ | 2.39 | Wayne Simpson | 52.7 | CIN |
| +013+ | 2.29 | Claude Osteen | 55.3 | LAN |
| +015+ | 2.17 | Tom Phoebus | 39.7 | BAL |
| +018+ | 2.04 | Bill Hands | 51.3 | CHN |
| +019+ | 1.92 | Danny Coombs | 32.7 | SDN |
| +022+ | 1.84 | Sam McDowell | 64.3 | CLE |
| +023+ | 1.8 | Gary Gentry | 43.7 | NYN |
| +025+ | 1.78 | Jim Merritt | 68.7 | CIN |
| +028+ | 1.69 | Jim Palmer | 52.7 | BAL |
| +030+ | 1.59 | Jim Perry | 54.7 | MIN |
| +031+ | 1.56 | Don Sutton | 59 | LAN |
| +035+ | 1.47 | Dave Roberts | 32.3 | SDN |
| +038+ | 1.42 | Jim Kaat | 50.7 | MIN |
| +041+ | 1.39 | Joe Horlen | 47.7 | CHA |
| +044+ | 1.38 | Ray Culp | 51.3 | BOS |
| +048+ | 1.3 | Bob Johnson | 26.7 | KCA |
| +049+ | 1.29 | Steve Blass | 54.7 | PIT |
| XXXXX | 1.24 | Sandy Vance | 26.3 | LAN |
| XXXXX | 1.2 | Luis Tiant | 41.7 | MIN |
| XXXXX | 1.12 | Jerry Janeski | 47 | CHA |
| XXXXX | 1.12 | Jim Bunning | 40.7 | PHI |
| XXXXX | 1.12 | Jim Ray | 25.3 | HOU |
| XXXXX | 1.07 | Mickey Lolich | 68.7 | DET |
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