| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 13.94 | 197008232_CIN_NYN |
| Jim Palmer | BAL | 7.09 | 197008220_ANA_BAL |
| Jim Perry | MIN | 5.57 | 197008230_TEX_MIN |
| Mel Stottlemyre | NYA | 3.49 | 197008240_NYA_KCA |
| Clyde Wright | ANA | 2.85 | 197008220_ANA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Stoneman | WAS | -4.1 | 197008240_ATL_WAS |
| Mike Kekich | NYA | -2.82 | 197008232_NYA_CHA |
| Chris Short | PHI | -0.98 | 197008220_HOU_PHI |
| Clay Kirby | SDN | -0.97 | 197008230_SLN_SDN |
| Bart Johnson | CHA | -0.96 | 197008220_NYA_CHA |
Based on accumulated WAA for this season up to 1970-08-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.89 | Tom Seaver | 245 | NYN |
| +009+ | 7.16 | Sam McDowell | 244 | CLE |
| +010+ | 6.96 | Jim Palmer | 230.7 | BAL |
| +027+ | 4.63 | Clyde Wright | 198.7 | ANA |
| +030+ | 4.38 | Diego Segui | 131.3 | OAK |
| +032+ | 4.3 | Tommy John | 229.3 | CHA |
| +038+ | 4.16 | Jim Perry | 213.3 | MIN |
| +041+ | 3.87 | Wayne Simpson | 173.7 | CIN |
| +043+ | 3.85 | Ray Culp | 196 | BOS |
| +044+ | 3.79 | Ken Holtzman | 223 | CHN |
| +046+ | 3.46 | Jerry Koosman | 151.3 | NYN |
| +047+ | 3.39 | Mel Stottlemyre | 216.3 | NYA |
| +048+ | 3.38 | Andy Messersmith | 180.3 | ANA |
| +054+ | 3.33 | Dick Bosman | 172 | TEX |
| +058+ | 3.12 | Gary Nolan | 199.7 | CIN |
| +060+ | 2.97 | Pat Jarvis | 203 | ATL |
| +065+ | 2.87 | Fritz Peterson | 192 | NYA |
| +069+ | 2.74 | Mickey Lolich | 213 | DET |
| +070+ | 2.7 | Gary Gentry | 161.3 | NYN |
| +075+ | 2.63 | Stan Bahnsen | 187 | NYA |
| +076+ | 2.62 | Claude Osteen | 214 | LAN |
| +078+ | 2.61 | Bob Gibson | 229 | SLN |
| +081+ | 2.58 | Sonny Siebert | 177.7 | BOS |
| +082+ | 2.54 | Tom Hall | 98 | MIN |
| +085+ | 2.49 | Steve Blass | 155.7 | PIT |
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