| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 14.86 | 197007020_CLE_BAL |
| Jerry Koosman | NYN | 7.08 | 197006300_PIT_NYN |
| Bob Gibson | SLN | 4.37 | 197006300_CHN_SLN |
| Mel Stottlemyre | NYA | 3.5 | 197007020_NYA_DET |
| Andy Messersmith | ANA | 3.31 | 197007010_ANA_MIL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -3.28 | 197007020_TEX_BOS |
| Mike McCormick | SFN | -2.94 | 197007010_SDN_SFN |
| Dan McGinn | WAS | -2.71 | 197007012_PHI_WAS |
| Gene Brabender | MIL | -2.28 | 197007020_ANA_MIL |
| Dick Such | TEX | -1.91 | 197007020_TEX_BOS |
Based on accumulated WAA for this season up to 1970-07-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 5.03 | Tom Seaver | 154 | NYN |
| +006+ | 4.86 | Wayne Simpson | 130 | CIN |
| +009+ | 4.71 | Sam McDowell | 160.3 | CLE |
| +013+ | 4.25 | Danny Coombs | 94 | SDN |
| +023+ | 3.46 | Jim Palmer | 142.7 | BAL |
| +025+ | 3.4 | Claude Osteen | 148 | LAN |
| +033+ | 2.7 | Jerry Koosman | 91.7 | NYN |
| +036+ | 2.64 | Pat Jarvis | 128.7 | ATL |
| +038+ | 2.62 | Andy Messersmith | 131.3 | ANA |
| +037+ | 2.62 | Ray Culp | 116 | BOS |
| +039+ | 2.59 | Steve Carlton | 125 | SLN |
| +040+ | 2.57 | Eddie Fisher | 61 | ANA |
| +042+ | 2.56 | Jim McGlothlin | 118.7 | CIN |
| +045+ | 2.49 | Jim Perry | 121.7 | MIN |
| +046+ | 2.48 | Jim Hunter | 137.3 | OAK |
| +047+ | 2.44 | Joe Niekro | 116 | DET |
| +048+ | 2.42 | Jim Nelson | 31 | PIT |
| +050+ | 2.35 | Tom Phoebus | 79.3 | BAL |
| +052+ | 2.18 | Tom Hall | 48.3 | MIN |
| +058+ | 2.14 | Clyde Wright | 121.3 | ANA |
| +059+ | 2.1 | Jim Merritt | 141 | CIN |
| +062+ | 2.01 | Rudy May | 115.3 | ANA |
| +063+ | 1.99 | Stan Bahnsen | 117.3 | NYA |
| +064+ | 1.99 | Bill Hands | 130.7 | CHN |
| +069+ | 1.85 | Don Sutton | 135.3 | LAN |
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