| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 14.86 | 197007020_CLE_BAL |
| Jim Perry | MIN | 4.14 | 197007030_CHA_MIN |
| Mel Stottlemyre | NYA | 3.5 | 197007020_NYA_DET |
| Andy Messersmith | ANA | 3.31 | 197007010_ANA_MIL |
| Claude Osteen | LAN | 3.25 | 197007010_HOU_LAN |
| 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 |
| Mike McCormick | SFN | -2.94 | 197007010_SDN_SFN |
| Clay Kirby | SDN | -2.77 | 197007031_SDN_ATL |
Based on accumulated WAA for this season up to 1970-07-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 5.05 | Tom Seaver | 154 | NYN |
| +007+ | 4.88 | Wayne Simpson | 130 | CIN |
| +008+ | 4.77 | Sam McDowell | 160.3 | CLE |
| +014+ | 4.28 | Danny Coombs | 94 | SDN |
| +025+ | 3.48 | Jim Palmer | 142.7 | BAL |
| +026+ | 3.42 | Claude Osteen | 148 | LAN |
| +029+ | 3.25 | Ray Culp | 125 | BOS |
| +031+ | 3.13 | Jim Perry | 130.7 | MIN |
| +034+ | 2.96 | Clyde Wright | 130.3 | ANA |
| +038+ | 2.71 | Jerry Koosman | 91.7 | NYN |
| +039+ | 2.66 | Pat Jarvis | 128.7 | ATL |
| +040+ | 2.63 | Andy Messersmith | 131.3 | ANA |
| +041+ | 2.61 | Steve Carlton | 125 | SLN |
| +042+ | 2.58 | Eddie Fisher | 61 | ANA |
| +043+ | 2.57 | Jim McGlothlin | 118.7 | CIN |
| +045+ | 2.52 | Jim Hunter | 137.3 | OAK |
| +046+ | 2.47 | Joe Niekro | 116 | DET |
| +049+ | 2.36 | Tom Phoebus | 79.3 | BAL |
| +054+ | 2.19 | Tom Hall | 48.3 | MIN |
| +057+ | 2.11 | Jim Merritt | 141 | CIN |
| +059+ | 2.03 | Rudy May | 115.3 | ANA |
| +061+ | 2 | Stan Bahnsen | 124.3 | NYA |
| +067+ | 1.85 | Bob Veale | 123 | PIT |
| +077+ | 1.71 | Dave Giusti | 50.7 | PIT |
| +080+ | 1.7 | Bert Blyleven | 45.3 | MIN |
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