| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 14.86 | 197007020_CLE_BAL |
| Tom Seaver | NYN | 11.4 | 197007040_NYN_PHI |
| Jim Perry | MIN | 4.14 | 197007030_CHA_MIN |
| Mel Stottlemyre | NYA | 3.5 | 197007020_NYA_DET |
| Bill Hands | CHN | 3.05 | 197007030_PIT_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Stoneman | WAS | -3.35 | 197007030_SLN_WAS |
| Gary Peters | BOS | -3.28 | 197007020_TEX_BOS |
| Tony Cloninger | CIN | -3 | 197007032_HOU_CIN |
| Clay Kirby | SDN | -2.77 | 197007031_SDN_ATL |
| Gene Brabender | MIL | -2.28 | 197007020_ANA_MIL |
Based on accumulated WAA for this season up to 1970-07-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 5.46 | Tom Seaver | 163 | NYN |
| +006+ | 4.88 | Wayne Simpson | 130 | CIN |
| +008+ | 4.8 | Sam McDowell | 160.3 | CLE |
| +015+ | 4.29 | Danny Coombs | 94 | SDN |
| +025+ | 3.48 | Jim Palmer | 142.7 | BAL |
| +027+ | 3.43 | Claude Osteen | 148 | LAN |
| +028+ | 3.37 | Jim McGlothlin | 127.3 | CIN |
| +029+ | 3.28 | Pat Jarvis | 137.7 | ATL |
| +030+ | 3.25 | Ray Culp | 125 | BOS |
| +032+ | 3.08 | Jim Perry | 130.7 | MIN |
| +035+ | 2.97 | Clyde Wright | 130.3 | ANA |
| +039+ | 2.71 | Jerry Koosman | 91.7 | NYN |
| +041+ | 2.64 | Andy Messersmith | 131.3 | ANA |
| +045+ | 2.58 | Eddie Fisher | 61 | ANA |
| +047+ | 2.48 | Joe Niekro | 116 | DET |
| +050+ | 2.36 | Tom Phoebus | 79.3 | BAL |
| +051+ | 2.35 | Jim Hunter | 144.7 | OAK |
| +055+ | 2.17 | Tom Hall | 48.3 | MIN |
| +057+ | 2.11 | Jim Merritt | 141 | CIN |
| +058+ | 2.01 | Stan Bahnsen | 124.3 | NYA |
| +073+ | 1.72 | Dave Giusti | 50.7 | PIT |
| +075+ | 1.69 | Dave Roberts | 86.3 | SDN |
| +079+ | 1.68 | Bert Blyleven | 45.3 | MIN |
| +078+ | 1.68 | Jim Nelson | 32 | PIT |
| +084+ | 1.62 | Rollie Fingers | 88.7 | OAK |
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