| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 13.83 | 197007270_SFN_NYN |
| Jim Palmer | BAL | 4.6 | 197007270_BAL_MIN |
| Jim Perry | MIN | 3.39 | 197007260_BAL_MIN |
| Claude Osteen | LAN | 3.36 | 197007270_LAN_PHI |
| Gaylord Perry | SFN | 2.39 | 197007270_SFN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nelson Briles | SLN | -3.64 | 197007270_SLN_CIN |
| Frank Reberger | SFN | -2.93 | 197007250_SFN_WAS |
| Skip Lockwood | MIL | -1.16 | 197007260_BOS_MIL |
| Gary Peters | BOS | -1.01 | 197007260_BOS_MIL |
| Tony Cloninger | CIN | -0.94 | 197007250_SLN_CIN |
Based on accumulated WAA for this season up to 1970-07-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.11 | Tom Seaver | 198.3 | NYN |
| +007+ | 6.52 | Sam McDowell | 196 | CLE |
| +020+ | 4.26 | Danny Coombs | 118 | SDN |
| +022+ | 4.17 | Jim Palmer | 179 | BAL |
| +023+ | 4.15 | Clyde Wright | 163 | ANA |
| +024+ | 4.04 | Wayne Simpson | 167.7 | CIN |
| +026+ | 3.92 | Jim McGlothlin | 139.3 | CIN |
| +029+ | 3.74 | Diego Segui | 94.7 | OAK |
| +036+ | 3.39 | Ray Culp | 157 | BOS |
| +038+ | 3.33 | Joe Niekro | 144.7 | DET |
| +042+ | 3 | Jerry Koosman | 119.3 | NYN |
| +045+ | 2.89 | Tommy John | 182.7 | CHA |
| +046+ | 2.84 | Andy Messersmith | 164.7 | ANA |
| +052+ | 2.63 | Claude Osteen | 179 | LAN |
| +053+ | 2.58 | Jim Rooker | 146.3 | KCA |
| +056+ | 2.54 | Bert Blyleven | 72.3 | MIN |
| +057+ | 2.52 | Jim Perry | 162.3 | MIN |
| +058+ | 2.51 | Mel Stottlemyre | 171.7 | NYA |
| +059+ | 2.5 | Stan Bahnsen | 153 | NYA |
| +065+ | 2.27 | Mickey Lolich | 176.3 | DET |
| +066+ | 2.27 | Bill Singer | 80.3 | LAN |
| +067+ | 2.26 | Pat Jarvis | 166 | ATL |
| +070+ | 2.21 | Dock Ellis | 158.7 | PIT |
| +075+ | 2.06 | Chuck Taylor | 90.7 | SLN |
| +076+ | 2.04 | Gary Nolan | 153 | CIN |
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