| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 13.56 | 197008060_NYN_SLN |
| Danny Coombs | SDN | 3.54 | 197008060_HOU_SDN |
| Jim Perry | MIN | 3.53 | 197008070_OAK_MIN |
| Mel Stottlemyre | NYA | 3.51 | 197008061_DET_NYA |
| Andy Messersmith | ANA | 2.29 | 197008060_ANA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike McCormick | NYA | -4.98 | 197008070_DET_NYA |
| Frank Reberger | SFN | -4.52 | 197008060_CIN_SFN |
| Nelson Briles | SLN | -3.77 | 197008060_NYN_SLN |
| Skip Lockwood | MIL | -2.16 | 197008071_MIL_KCA |
| Grant Jackson | PHI | -2.02 | 197008070_CHN_PHI |
Based on accumulated WAA for this season up to 1970-08-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.55 | Tom Seaver | 214.3 | NYN |
| +009+ | 6.74 | Sam McDowell | 216.7 | CLE |
| +014+ | 5.63 | Jim Palmer | 197 | BAL |
| +028+ | 4.07 | Danny Coombs | 134 | SDN |
| +031+ | 3.95 | Jim Perry | 188.3 | MIN |
| +032+ | 3.92 | Ray Culp | 171 | BOS |
| +035+ | 3.81 | Jim McGlothlin | 158.7 | CIN |
| +036+ | 3.78 | Tommy John | 199.3 | CHA |
| +039+ | 3.66 | Wayne Simpson | 170.7 | CIN |
| +041+ | 3.59 | Mel Stottlemyre | 190.7 | NYA |
| +043+ | 3.56 | Diego Segui | 111 | OAK |
| +045+ | 3.44 | Andy Messersmith | 171.7 | ANA |
| +051+ | 2.96 | Clyde Wright | 171 | ANA |
| +052+ | 2.95 | Pat Jarvis | 182.3 | ATL |
| +053+ | 2.87 | Mickey Lolich | 192.3 | DET |
| +056+ | 2.73 | Gary Nolan | 172 | CIN |
| +057+ | 2.72 | Steve Hargan | 66 | CLE |
| +061+ | 2.56 | Ken Holtzman | 205 | CHN |
| +062+ | 2.53 | Dock Ellis | 180 | PIT |
| +063+ | 2.51 | Dick Bosman | 148.7 | TEX |
| +066+ | 2.48 | Bob Johnson | 137.7 | KCA |
| +067+ | 2.47 | Jerry Koosman | 136.3 | NYN |
| +068+ | 2.47 | Bob Gibson | 197.7 | SLN |
| +070+ | 2.43 | Bill Zepp | 90 | MIN |
| +072+ | 2.39 | Bert Blyleven | 87.3 | MIN |
_