| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 10.04 | 197009110_SLN_NYN |
| Sam McDowell | CLE | 8.77 | 197009120_NYA_CLE |
| Jim Palmer | BAL | 6.29 | 197009110_BOS_BAL |
| Diego Segui | OAK | 3.41 | 197009120_OAK_KCA |
| Fritz Peterson | NYA | 3.19 | 197009110_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nelson Briles | SLN | -7.44 | 197009100_SLN_PIT |
| Barry Moore | CHA | -3.03 | 197009110_CHA_MIN |
| Lew Krausse | MIL | -1.55 | 197009110_MIL_ANA |
| Lowell Palmer | PHI | -1.34 | 197009120_PHI_WAS |
| Mike Kekich | NYA | -1.15 | 197009120_NYA_CLE |
Based on accumulated WAA for this season up to 1970-09-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +007+ | 8.14 | Sam McDowell | 283.3 | CLE |
| +009+ | 8 | Tom Seaver | 274 | NYN |
| +014+ | 7.02 | Jim Palmer | 272.3 | BAL |
| +023+ | 5.93 | Jim Perry | 245.3 | MIN |
| +028+ | 5.21 | Diego Segui | 158.7 | OAK |
| +035+ | 4.7 | Clyde Wright | 227.7 | ANA |
| +037+ | 4.63 | Fritz Peterson | 226 | NYA |
| +044+ | 4.32 | Ray Culp | 227.7 | BOS |
| +045+ | 4.25 | Bob Gibson | 268 | SLN |
| +047+ | 4.22 | Andy Messersmith | 194.7 | ANA |
| +049+ | 4.1 | Tom Hall | 124.7 | MIN |
| +050+ | 4.09 | Tommy John | 246.3 | CHA |
| +051+ | 4.06 | Gary Nolan | 229.3 | CIN |
| +053+ | 3.99 | Dick Bosman | 203.7 | TEX |
| +055+ | 3.77 | Wayne Simpson | 173.7 | CIN |
| +062+ | 3.55 | Mel Stottlemyre | 239.7 | NYA |
| +063+ | 3.49 | Gaylord Perry | 289.7 | SFN |
| +065+ | 3.44 | Dave McNally | 263 | BAL |
| +067+ | 3.39 | Stan Bahnsen | 212.3 | NYA |
| +068+ | 3.33 | Bob Johnson | 191 | KCA |
| +073+ | 3.09 | Ken Holtzman | 253.7 | CHN |
| +075+ | 2.98 | Bill Zepp | 137.7 | MIN |
| +078+ | 2.9 | Milt Pappas | 158.3 | TOT |
| +082+ | 2.81 | Jerry Koosman | 180.3 | NYN |
| +083+ | 2.76 | Ferguson Jenkins | 277.3 | CHN |
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