| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 10.04 | 197009110_SLN_NYN |
| Jim Palmer | BAL | 6.29 | 197009110_BOS_BAL |
| Jim Perry | MIN | 5.2 | 197009090_OAK_MIN |
| Clyde Wright | ANA | 3.49 | 197009092_ANA_CHA |
| Fritz Peterson | NYA | 3.19 | 197009110_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nelson Briles | SLN | -7.44 | 197009100_SLN_PIT |
| Grant Jackson | PHI | -4.99 | 197009092_PHI_NYN |
| Barry Moore | CHA | -3.03 | 197009110_CHA_MIN |
| Bill Stoneman | WAS | -2.17 | 197009090_WAS_CHN |
| Lew Krausse | MIL | -1.55 | 197009110_MIL_ANA |
Based on accumulated WAA for this season up to 1970-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +008+ | 8.04 | Tom Seaver | 274 | NYN |
| +009+ | 7.91 | Sam McDowell | 275.3 | CLE |
| +014+ | 7.06 | Jim Palmer | 272.3 | BAL |
| +022+ | 5.97 | Jim Perry | 245.3 | MIN |
| +032+ | 4.89 | Diego Segui | 152.7 | OAK |
| +035+ | 4.73 | Clyde Wright | 227.7 | ANA |
| +038+ | 4.68 | Fritz Peterson | 226 | NYA |
| +044+ | 4.34 | Ray Culp | 227.7 | BOS |
| +045+ | 4.27 | Bob Gibson | 268 | SLN |
| +046+ | 4.25 | Andy Messersmith | 194.7 | ANA |
| +047+ | 4.24 | Dick Bosman | 197 | TEX |
| +049+ | 4.13 | Tommy John | 246.3 | CHA |
| +051+ | 4.11 | Tom Hall | 124.7 | MIN |
| +052+ | 4.07 | Gary Nolan | 229.3 | CIN |
| +055+ | 3.79 | Wayne Simpson | 173.7 | CIN |
| +062+ | 3.61 | Mel Stottlemyre | 239.7 | NYA |
| +063+ | 3.53 | Gaylord Perry | 289.7 | SFN |
| +065+ | 3.48 | Dave McNally | 263 | BAL |
| +067+ | 3.45 | Stan Bahnsen | 212.3 | NYA |
| +070+ | 3.17 | Bob Johnson | 182 | KCA |
| +072+ | 3.13 | Ken Holtzman | 253.7 | CHN |
| +075+ | 3 | Bill Zepp | 137.7 | MIN |
| +077+ | 2.93 | Milt Pappas | 158.3 | TOT |
| +079+ | 2.84 | Jerry Koosman | 180.3 | NYN |
| +087+ | 2.48 | Ferguson Jenkins | 269.3 | CHN |
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