| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 14.19 | 197007170_NYN_LAN |
| Sam McDowell | CLE | 11.26 | 197007190_CLE_MIN |
| Jim Palmer | BAL | 4.99 | 197007191_BAL_CHA |
| Claude Osteen | LAN | 4.12 | 197007180_NYN_LAN |
| Jim Perry | MIN | 3.12 | 197007180_MIN_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Stoneman | WAS | -4.86 | 197007192_WAS_SDN |
| Gene Brabender | MIL | -4.06 | 197007170_MIL_BOS |
| Mike Kekich | NYA | -2.59 | 197007192_ANA_NYA |
| Grant Jackson | PHI | -2.34 | 197007192_PHI_LAN |
| Clay Kirby | SDN | -2.3 | 197007170_PHI_SDN |
Based on accumulated WAA for this season up to 1970-07-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.95 | Tom Seaver | 181.3 | NYN |
| +006+ | 6.01 | Sam McDowell | 187 | CLE |
| +016+ | 4.67 | Jim Palmer | 166.7 | BAL |
| +017+ | 4.28 | Wayne Simpson | 155.3 | CIN |
| +018+ | 4.23 | Clyde Wright | 150.7 | ANA |
| +020+ | 4.1 | Danny Coombs | 112.3 | SDN |
| +023+ | 4.02 | Andy Messersmith | 153 | ANA |
| +025+ | 3.94 | Claude Osteen | 169.3 | LAN |
| +026+ | 3.88 | Ray Culp | 149.7 | BOS |
| +037+ | 3.21 | Jim McGlothlin | 132.3 | CIN |
| +043+ | 2.88 | Joe Niekro | 138.7 | DET |
| +049+ | 2.58 | Pat Jarvis | 155.7 | ATL |
| +050+ | 2.56 | Stan Bahnsen | 141 | NYA |
| +053+ | 2.45 | Tom Hall | 62.7 | MIN |
| +056+ | 2.41 | Jim Merritt | 162.3 | CIN |
| +057+ | 2.39 | Eddie Fisher | 65.7 | ANA |
| +058+ | 2.33 | Jerry Koosman | 110.3 | NYN |
| +063+ | 2.1 | Diego Segui | 77.3 | OAK |
| +066+ | 2.07 | Dave Giusti | 63.7 | PIT |
| +067+ | 2.03 | Jim Perry | 148.7 | MIN |
| +069+ | 2.02 | Don Sutton | 164.3 | LAN |
| +073+ | 1.97 | Gary Gentry | 124.7 | NYN |
| +079+ | 1.77 | Bill Zepp | 64.3 | MIN |
| +080+ | 1.75 | Mel Stottlemyre | 155.3 | NYA |
| +081+ | 1.75 | Bert Blyleven | 57.3 | MIN |
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