| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Perry | MIN | 5.6 | 197009290_KCA_MIN |
| Clyde Wright | ANA | 4.33 | 197009290_CHA_ANA |
| Fritz Peterson | NYA | 3.82 | 197009300_NYA_BOS |
| Bob Gibson | SLN | 3.48 | 197009290_PIT_SLN |
| Tommy John | CHA | 2.48 | 197009300_CHA_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Reberger | SFN | -4.98 | 197009290_SFN_HOU |
| Mike McQueen | ATL | -2.07 | 197009290_ATL_CIN |
| Bill Stoneman | WAS | -1.54 | 197009300_WAS_PHI |
| Skip Lockwood | MIL | -0.77 | 197009300_MIL_OAK |
| Tom Murphy | ANA | -0.77 | 197009280_CHA_ANA |
Based on accumulated WAA for this season up to 1970-09-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +010+ | 7.54 | Jim Palmer | 297 | BAL |
| +016+ | 7.11 | Tom Seaver | 290.7 | NYN |
| +017+ | 7.09 | Sam McDowell | 305.3 | CLE |
| +023+ | 6.31 | Clyde Wright | 260.7 | ANA |
| +027+ | 6.01 | Jim Perry | 278.7 | MIN |
| +028+ | 5.65 | Fritz Peterson | 260.3 | NYA |
| +031+ | 5.34 | Diego Segui | 162 | OAK |
| +032+ | 5.22 | Gaylord Perry | 320.7 | SFN |
| +035+ | 5.03 | Ray Culp | 251.3 | BOS |
| +040+ | 4.88 | Tom Hall | 155.3 | MIN |
| +041+ | 4.82 | Bob Gibson | 294 | SLN |
| +044+ | 4.71 | Mel Stottlemyre | 271 | NYA |
| +048+ | 4.53 | Dick Bosman | 224.7 | TEX |
| +057+ | 4.27 | Tommy John | 269.3 | CHA |
| +060+ | 4.16 | Gary Nolan | 250.7 | CIN |
| +062+ | 4.09 | Dave McNally | 296 | BAL |
| +063+ | 4.03 | Bob Johnson | 206 | KCA |
| +067+ | 3.72 | Ken Holtzman | 287.7 | CHN |
| +068+ | 3.65 | Wayne Simpson | 176 | CIN |
| +069+ | 3.58 | Jerry Koosman | 212 | NYN |
| +073+ | 3.48 | Steve Hargan | 142.7 | CLE |
| +074+ | 3.42 | Luke Walker | 163 | PIT |
| +076+ | 3.33 | Ferguson Jenkins | 304 | CHN |
| +083+ | 3.2 | Dock Ellis | 202.3 | PIT |
| +086+ | 3 | Don Gullett | 76.7 | CIN |
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