| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 13.94 | 197008232_CIN_NYN |
| Sam McDowell | CLE | 10 | 197008210_OAK_CLE |
| Jim Palmer | BAL | 7.09 | 197008220_ANA_BAL |
| Jim Perry | MIN | 5.57 | 197008230_TEX_MIN |
| Clyde Wright | ANA | 2.85 | 197008220_ANA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Reberger | SFN | -3.75 | 197008210_CHN_SFN |
| Nelson Briles | SLN | -3.64 | 197008210_SLN_SDN |
| Mike Kekich | NYA | -2.82 | 197008232_NYA_CHA |
| Grant Jackson | PHI | -2.47 | 197008212_HOU_PHI |
| Wally Bunker | KCA | -2.2 | 197008210_BOS_KCA |
Based on accumulated WAA for this season up to 1970-08-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.9 | Tom Seaver | 245 | NYN |
| +009+ | 7.17 | 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+ | 4.31 | Tommy John | 229.3 | CHA |
| +037+ | 4.19 | Mel Stottlemyre | 213.7 | NYA |
| +039+ | 4.17 | Jim Perry | 213.3 | MIN |
| +042+ | 3.87 | Wayne Simpson | 173.7 | CIN |
| +044+ | 3.86 | Ray Culp | 196 | BOS |
| +045+ | 3.8 | Ken Holtzman | 223 | CHN |
| +047+ | 3.46 | Jerry Koosman | 151.3 | NYN |
| +048+ | 3.39 | Andy Messersmith | 180.3 | ANA |
| +054+ | 3.33 | Dick Bosman | 172 | TEX |
| +057+ | 3.13 | Gary Nolan | 199.7 | CIN |
| +059+ | 2.98 | Pat Jarvis | 203 | ATL |
| +066+ | 2.86 | Fritz Peterson | 192 | NYA |
| +069+ | 2.75 | Mickey Lolich | 213 | DET |
| +070+ | 2.7 | Gary Gentry | 161.3 | NYN |
| +075+ | 2.62 | Claude Osteen | 214 | LAN |
| +076+ | 2.62 | Stan Bahnsen | 187 | NYA |
| +077+ | 2.61 | Bob Gibson | 229 | SLN |
| +081+ | 2.58 | Sonny Siebert | 177.7 | BOS |
| +082+ | 2.54 | Tom Hall | 98 | MIN |
| +085+ | 2.5 | Steve Blass | 155.7 | PIT |
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