| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 13.21 | 197008150_NYN_ATL |
| Jim Perry | MIN | 4.59 | 197008151_MIN_BOS |
| Mel Stottlemyre | NYA | 4.16 | 197008150_KCA_NYA |
| Ray Culp | BOS | 2.64 | 197008140_MIN_BOS |
| Tommy John | CHA | 2.44 | 197008140_CHA_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Barry Moore | CHA | -4.61 | 197008150_CHA_TEX |
| Frank Reberger | SFN | -4.52 | 197008150_SFN_SLN |
| Nelson Briles | SLN | -3.96 | 197008150_SFN_SLN |
| Skip Lockwood | MIL | -2.38 | 197008140_CLE_MIL |
| Wally Bunker | KCA | -2.21 | 197008150_KCA_NYA |
Based on accumulated WAA for this season up to 1970-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.42 | Tom Seaver | 232 | NYN |
| +009+ | 6.9 | Sam McDowell | 231.7 | CLE |
| +015+ | 5.79 | Jim Palmer | 212.7 | BAL |
| +029+ | 4.44 | Ray Culp | 188 | BOS |
| +030+ | 4.43 | Jim Perry | 202 | MIN |
| +035+ | 4.14 | Mel Stottlemyre | 206.7 | NYA |
| +038+ | 3.91 | Clyde Wright | 183.7 | ANA |
| +040+ | 3.89 | Wayne Simpson | 173.7 | CIN |
| +041+ | 3.88 | Tommy John | 213.3 | CHA |
| +043+ | 3.73 | Danny Coombs | 146.3 | SDN |
| +045+ | 3.57 | Gary Nolan | 188.3 | CIN |
| +046+ | 3.56 | Diego Segui | 122.3 | OAK |
| +049+ | 3.3 | Dick Bosman | 157.7 | TEX |
| +051+ | 3.17 | Jim McGlothlin | 161.3 | CIN |
| +052+ | 3.13 | Andy Messersmith | 177.3 | ANA |
| +056+ | 2.98 | Ken Holtzman | 214 | CHN |
| +058+ | 2.81 | Chuck Dobson | 205 | OAK |
| +062+ | 2.74 | Bob Gibson | 211.7 | SLN |
| +066+ | 2.66 | Pat Jarvis | 195 | ATL |
| +067+ | 2.66 | Jerry Koosman | 142.3 | NYN |
| +076+ | 2.5 | Bob Johnson | 144.3 | KCA |
| +083+ | 2.36 | Stan Bahnsen | 180 | NYA |
| +085+ | 2.33 | Bill Zepp | 100 | MIN |
| +091+ | 2.16 | Steve Hargan | 75.7 | CLE |
| +092+ | 2.15 | Jim Hunter | 204.7 | OAK |
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