| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Perry | MIN | 5.2 | 197009090_OAK_MIN |
| Clyde Wright | ANA | 3.49 | 197009092_ANA_CHA |
| Ray Culp | BOS | 1.9 | 197009100_BOS_DET |
| Mel Stottlemyre | NYA | 1.71 | 197009080_NYA_TEX |
| Dave McNally | BAL | 1.29 | 197009100_NYA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nelson Briles | SLN | -7.44 | 197009100_SLN_PIT |
| Grant Jackson | PHI | -4.99 | 197009092_PHI_NYN |
| Frank Reberger | SFN | -4.43 | 197009080_CIN_SFN |
| Jerry Janeski | CHA | -2.24 | 197009091_ANA_CHA |
| Bill Stoneman | WAS | -2.17 | 197009090_WAS_CHN |
Based on accumulated WAA for this season up to 1970-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +007+ | 8.19 | Tom Seaver | 268 | NYN |
| +009+ | 7.98 | Sam McDowell | 275.3 | CLE |
| +014+ | 6.52 | Jim Palmer | 260.3 | BAL |
| +023+ | 6.03 | Jim Perry | 245.3 | MIN |
| +030+ | 4.93 | Diego Segui | 152.7 | OAK |
| +035+ | 4.78 | Clyde Wright | 227.7 | ANA |
| +037+ | 4.72 | Fritz Peterson | 219 | NYA |
| +040+ | 4.45 | Ray Culp | 227.7 | BOS |
| +045+ | 4.3 | Andy Messersmith | 194.7 | ANA |
| +046+ | 4.29 | Dick Bosman | 197 | TEX |
| +047+ | 4.18 | Tommy John | 246.3 | CHA |
| +048+ | 4.15 | Tom Hall | 124.7 | MIN |
| +051+ | 4.01 | Gary Nolan | 221.3 | CIN |
| +054+ | 3.94 | Bob Gibson | 259 | SLN |
| +055+ | 3.82 | Wayne Simpson | 173.7 | CIN |
| +061+ | 3.65 | Mel Stottlemyre | 239.7 | NYA |
| +062+ | 3.62 | Dave McNally | 263 | BAL |
| +063+ | 3.61 | Gaylord Perry | 289.7 | SFN |
| +064+ | 3.48 | Stan Bahnsen | 212.3 | NYA |
| +070+ | 3.21 | Bob Johnson | 182 | KCA |
| +071+ | 3.19 | Ken Holtzman | 253.7 | CHN |
| +075+ | 2.96 | Milt Pappas | 158.3 | TOT |
| +077+ | 2.88 | Jerry Koosman | 180.3 | NYN |
| +083+ | 2.55 | Ferguson Jenkins | 269.3 | CHN |
| +091+ | 2.41 | Marcelino Lopez | 54 | BAL |
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