| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 13.56 | 197008060_NYN_SLN |
| Sam McDowell | CLE | 12.4 | 197008050_NYA_CLE |
| Jim Palmer | BAL | 5.12 | 197008050_BOS_BAL |
| Danny Coombs | SDN | 3.54 | 197008060_HOU_SDN |
| Mel Stottlemyre | NYA | 3.51 | 197008061_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gene Brabender | MIL | -5.36 | 197008050_MIL_CHA |
| Frank Reberger | SFN | -4.52 | 197008060_CIN_SFN |
| Nelson Briles | SLN | -3.77 | 197008060_NYN_SLN |
| Mike Wegener | WAS | -1.43 | 197008051_CHN_WAS |
| Casey Cox | TEX | -1.42 | 197008060_BOS_TEX |
Based on accumulated WAA for this season up to 1970-08-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 7.51 | Tom Seaver | 214.3 | NYN |
| +010+ | 6.72 | Sam McDowell | 216.7 | CLE |
| +014+ | 5.59 | Jim Palmer | 197 | BAL |
| +027+ | 4.06 | Danny Coombs | 134 | SDN |
| +029+ | 3.9 | Ray Culp | 171 | BOS |
| +031+ | 3.79 | Jim McGlothlin | 158.7 | CIN |
| +032+ | 3.77 | Tommy John | 199.3 | CHA |
| +036+ | 3.65 | Wayne Simpson | 170.7 | CIN |
| +041+ | 3.57 | Mel Stottlemyre | 190.7 | NYA |
| +042+ | 3.55 | Diego Segui | 111 | OAK |
| +043+ | 3.4 | Andy Messersmith | 171.7 | ANA |
| +047+ | 3.16 | Jim Perry | 177.3 | MIN |
| +048+ | 3.15 | Jerry Koosman | 130.3 | NYN |
| +052+ | 2.92 | Clyde Wright | 171 | ANA |
| +053+ | 2.92 | Pat Jarvis | 182.3 | ATL |
| +055+ | 2.84 | Mickey Lolich | 192.3 | DET |
| +059+ | 2.58 | Gary Nolan | 166 | CIN |
| +062+ | 2.52 | Dock Ellis | 180 | PIT |
| +063+ | 2.51 | Ken Holtzman | 205 | CHN |
| +066+ | 2.46 | Steve Hargan | 58.7 | CLE |
| +067+ | 2.44 | Bill Zepp | 90 | MIN |
| +068+ | 2.43 | Rudy May | 151.7 | ANA |
| +070+ | 2.4 | Bert Blyleven | 87.3 | MIN |
| +071+ | 2.38 | Tom Hall | 78 | MIN |
| +072+ | 2.35 | Chuck Taylor | 94 | SLN |
_