| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 11.69 | 197006021_CLE_MIL |
| Jim Perry | MIN | 4.99 | 197006020_MIN_BOS |
| Bill Hands | CHN | 4.15 | 197006010_LAN_CHN |
| Mel Stottlemyre | NYA | 3.61 | 197005310_NYA_MIN |
| Jim Palmer | BAL | 3.42 | 197006020_BAL_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -4.93 | 197005310_CHA_BOS |
| Gene Brabender | MIL | -2.31 | 197006021_CLE_MIL |
| Gary Ross | SDN | -1.74 | 197006020_SDN_PIT |
| George Brunet | TEX | -1.46 | 197006020_CHA_TEX |
| Don Wilson | HOU | -1.41 | 197005312_HOU_NYN |
Based on accumulated WAA for this season up to 1970-06-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 3.92 | Sam McDowell | 107.3 | CLE |
| +007+ | 3.76 | Tom Seaver | 102 | NYN |
| +010+ | 3.47 | Jim Palmer | 91.7 | BAL |
| +013+ | 2.89 | Tom Phoebus | 67.3 | BAL |
| +014+ | 2.84 | Danny Coombs | 60.7 | SDN |
| +016+ | 2.81 | Wayne Simpson | 80 | CIN |
| +019+ | 2.76 | Ray Culp | 83 | BOS |
| +020+ | 2.72 | Jim Hunter | 92 | OAK |
| +022+ | 2.66 | Jim McGlothlin | 78.3 | CIN |
| +023+ | 2.65 | Rudy May | 80.3 | ANA |
| +024+ | 2.57 | Claude Osteen | 96 | LAN |
| +034+ | 2.18 | Andy Messersmith | 84.3 | ANA |
| +035+ | 2.12 | Jim Perry | 81 | MIN |
| +037+ | 2.06 | Jim Merritt | 99 | CIN |
| +038+ | 2.04 | Jerry Koosman | 66.7 | NYN |
| +042+ | 1.89 | Gary Gentry | 79 | NYN |
| +044+ | 1.88 | Eddie Fisher | 37 | ANA |
| +063+ | 1.48 | Bill Hands | 84.3 | CHN |
| +062+ | 1.48 | Jim Nash | 73.3 | ATL |
| +064+ | 1.47 | Jim Bunning | 62.7 | PHI |
| +065+ | 1.42 | Carl Morton | 68.7 | WAS |
| +069+ | 1.36 | Mike Torrez | 66.3 | SLN |
| +074+ | 1.31 | Larry Dierker | 101.3 | HOU |
| +077+ | 1.27 | Luis Tiant | 60.7 | MIN |
| +078+ | 1.25 | Nolan Ryan | 53.3 | NYN |
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