| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Perry | MIN | 4.56 | 197009250_MIN_KCA |
| Clyde Wright | ANA | 4.39 | 197009250_OAK_ANA |
| Gaylord Perry | SFN | 3.37 | 197009230_SFN_LAN |
| Bob Gibson | SLN | 3.13 | 197009231_CHN_SLN |
| Ray Culp | BOS | 2.44 | 197009250_BOS_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Reberger | SFN | -4.32 | 197009250_SDN_SFN |
| Jerry Janeski | CHA | -2.69 | 197009252_MIL_CHA |
| Mike McQueen | ATL | -1.94 | 197009240_SDN_ATL |
| Steve Renko | WAS | -0.63 | 197009240_WAS_PIT |
| Wally Bunker | KCA | -0.49 | 197009250_MIN_KCA |
Based on accumulated WAA for this season up to 1970-09-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +009+ | 7.76 | Jim Palmer | 288.3 | BAL |
| +011+ | 7.21 | Sam McDowell | 296.3 | CLE |
| +013+ | 7.19 | Tom Seaver | 286.3 | NYN |
| +021+ | 6.48 | Jim Perry | 273.7 | MIN |
| +027+ | 5.77 | Clyde Wright | 251.7 | ANA |
| +031+ | 5.24 | Bob Gibson | 286 | SLN |
| +033+ | 5.1 | Ray Culp | 251.3 | BOS |
| +034+ | 5.06 | Diego Segui | 158.7 | OAK |
| +036+ | 4.98 | Fritz Peterson | 243 | NYA |
| +038+ | 4.89 | Dick Bosman | 218.7 | TEX |
| +039+ | 4.85 | Gaylord Perry | 311.7 | SFN |
| +044+ | 4.63 | Gary Nolan | 243.7 | CIN |
| +045+ | 4.54 | Tommy John | 262.3 | CHA |
| +055+ | 4.2 | Tom Hall | 147.3 | MIN |
| +058+ | 4.17 | Mel Stottlemyre | 262 | NYA |
| +064+ | 3.86 | Dave McNally | 287 | BAL |
| +065+ | 3.7 | Wayne Simpson | 176 | CIN |
| +067+ | 3.58 | Ken Holtzman | 278.7 | CHN |
| +070+ | 3.28 | Bob Johnson | 197 | KCA |
| +074+ | 3.19 | Ferguson Jenkins | 295 | CHN |
| +076+ | 3.13 | Steve Hargan | 133.7 | CLE |
| +077+ | 3.12 | Luke Walker | 157 | PIT |
| +083+ | 3.02 | Jerry Koosman | 203 | NYN |
| +084+ | 2.94 | Ron Klimkowski | 98.3 | NYA |
| +087+ | 2.92 | Bert Blyleven | 154 | MIN |
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