| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 11.93 | 197006060_CLE_ANA |
| Andy Messersmith | ANA | 4.58 | 197006070_CLE_ANA |
| Jim Perry | MIN | 4.25 | 197006060_MIN_TEX |
| Jim Palmer | BAL | 4.09 | 197006060_BAL_MIL |
| Bob Gibson | SLN | 3.24 | 197006070_SDN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -4.89 | 197006072_KCA_BOS |
| Gene Brabender | MIL | -2.65 | 197006060_BAL_MIL |
| Bill Stoneman | WAS | -2 | 197006060_WAS_ATL |
| Don Wilson | HOU | -1.57 | 197006060_PHI_HOU |
| Rich Robertson | SFN | -1.32 | 197006070_SFN_CHN |
Based on accumulated WAA for this season up to 1970-06-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 4.2 | Sam McDowell | 112.3 | CLE |
| +007+ | 4.06 | Tom Seaver | 109 | NYN |
| +012+ | 3.34 | Claude Osteen | 105 | LAN |
| +014+ | 3.22 | Wayne Simpson | 89 | CIN |
| +015+ | 3.16 | Rudy May | 88.7 | ANA |
| +017+ | 2.95 | Jim Hunter | 99.3 | OAK |
| +019+ | 2.84 | Jim Palmer | 96 | BAL |
| +020+ | 2.84 | Danny Coombs | 63 | SDN |
| +021+ | 2.77 | Tom Phoebus | 72.7 | BAL |
| +027+ | 2.67 | Jim Merritt | 108 | CIN |
| +030+ | 2.49 | Jim Perry | 90 | MIN |
| +031+ | 2.46 | Jim McGlothlin | 85.3 | CIN |
| +032+ | 2.35 | Ray Culp | 88 | BOS |
| +035+ | 2.29 | Andy Messersmith | 100 | ANA |
| +036+ | 2.27 | Carl Morton | 77.7 | WAS |
| +042+ | 2.09 | Jerry Koosman | 66.7 | NYN |
| +052+ | 1.67 | Pat Jarvis | 89.3 | ATL |
| +054+ | 1.63 | Clyde Wright | 90.3 | ANA |
| +055+ | 1.62 | Eddie Fisher | 39 | ANA |
| +059+ | 1.58 | Stan Bahnsen | 79.3 | NYA |
| +058+ | 1.58 | Bob Johnson | 60 | KCA |
| +061+ | 1.56 | Bob Veale | 90 | PIT |
| +064+ | 1.56 | Joe Moeller | 24.3 | LAN |
| +069+ | 1.47 | Mickey Lolich | 108.3 | DET |
| +071+ | 1.45 | Mike Torrez | 74.3 | SLN |
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