| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 14.14 | 197008190_HOU_NYN |
| Sam McDowell | CLE | 10 | 197008210_OAK_CLE |
| Jim Perry | MIN | 4.57 | 197008190_NYA_MIN |
| Mel Stottlemyre | NYA | 4.11 | 197008200_NYA_MIN |
| Ray Culp | BOS | 3.31 | 197008190_CHA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Reberger | SFN | -3.75 | 197008210_CHN_SFN |
| Nelson Briles | SLN | -3.64 | 197008210_SLN_SDN |
| Grant Jackson | PHI | -2.47 | 197008212_HOU_PHI |
| Wally Bunker | KCA | -2.2 | 197008210_BOS_KCA |
| Skip Lockwood | MIL | -1.97 | 197008190_BAL_MIL |
Based on accumulated WAA for this season up to 1970-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.54 | Tom Seaver | 238 | NYN |
| +008+ | 7.22 | Sam McDowell | 244 | CLE |
| +013+ | 6.39 | Jim Palmer | 221.7 | BAL |
| +021+ | 5.25 | Jim Perry | 211 | MIN |
| +028+ | 4.53 | Clyde Wright | 192.7 | ANA |
| +031+ | 4.39 | Diego Segui | 131.3 | OAK |
| +039+ | 4.17 | Mel Stottlemyre | 213.7 | NYA |
| +040+ | 3.89 | Wayne Simpson | 173.7 | CIN |
| +042+ | 3.86 | Ray Culp | 196 | BOS |
| +046+ | 3.5 | Tommy John | 220.3 | CHA |
| +047+ | 3.48 | Jerry Koosman | 151.3 | NYN |
| +049+ | 3.24 | Jim McGlothlin | 164.3 | CIN |
| +050+ | 3.2 | Danny Coombs | 147.3 | SDN |
| +052+ | 3.14 | Andy Messersmith | 177.3 | ANA |
| +057+ | 2.99 | Pat Jarvis | 203 | ATL |
| +058+ | 2.98 | Ken Holtzman | 214 | CHN |
| +061+ | 2.95 | Gary Nolan | 193 | CIN |
| +062+ | 2.92 | Chuck Dobson | 213 | OAK |
| +065+ | 2.76 | Claude Osteen | 214 | LAN |
| +067+ | 2.75 | Dick Bosman | 163 | TEX |
| +068+ | 2.7 | Gary Gentry | 154.3 | NYN |
| +074+ | 2.59 | Sonny Siebert | 177.7 | BOS |
| +081+ | 2.5 | Gaylord Perry | 252.3 | SFN |
| +085+ | 2.4 | Tom Hall | 94 | MIN |
| +086+ | 2.39 | Stan Bahnsen | 180 | NYA |
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