| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 11.72 | 197005290_HOU_NYN |
| Sam McDowell | CLE | 9.95 | 197005290_CLE_OAK |
| Bill Hands | CHN | 4.4 | 197005280_PIT_CHN |
| Jim Perry | MIN | 4.31 | 197005290_NYA_MIN |
| Andy Messersmith | ANA | 3.58 | 197005290_BAL_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Kekich | NYA | -4.14 | 197005290_NYA_MIN |
| Gary Ross | SDN | -1.97 | 197005270_CIN_SDN |
| Rich Robertson | SFN | -1.28 | 197005290_SFN_PIT |
| Tom Griffin | HOU | -1.23 | 197005290_HOU_NYN |
| Grant Jackson | PHI | -0.86 | 197005280_PHI_WAS |
Based on accumulated WAA for this season up to 1970-05-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 3.63 | Tom Seaver | 102 | NYN |
| +009+ | 3.08 | Sam McDowell | 98.3 | CLE |
| +012+ | 2.85 | Claude Osteen | 87.3 | LAN |
| +014+ | 2.78 | Jim McGlothlin | 72.3 | CIN |
| +016+ | 2.64 | Jim Palmer | 82.7 | BAL |
| +018+ | 2.56 | Danny Coombs | 54.7 | SDN |
| +020+ | 2.51 | Tom Phoebus | 62.7 | BAL |
| +023+ | 2.41 | Jim Hunter | 83.7 | OAK |
| +024+ | 2.39 | Wayne Simpson | 72.7 | CIN |
| +025+ | 2.34 | Jim Perry | 76 | MIN |
| +029+ | 2.06 | Rudy May | 73 | ANA |
| +032+ | 2.02 | Jim Merritt | 91.7 | CIN |
| +033+ | 2.01 | Andy Messersmith | 84.3 | ANA |
| +035+ | 2 | Gary Gentry | 72 | NYN |
| +036+ | 1.98 | Ray Culp | 74 | BOS |
| +038+ | 1.94 | Carl Morton | 64.7 | WAS |
| +040+ | 1.86 | Bill Hands | 79.3 | CHN |
| +042+ | 1.85 | Bob Veale | 80.3 | PIT |
| +044+ | 1.81 | Eddie Fisher | 37 | ANA |
| +056+ | 1.59 | Jerry Koosman | 62.7 | NYN |
| +057+ | 1.57 | Sandy Vance | 51.3 | LAN |
| +058+ | 1.56 | Stan Bahnsen | 68.3 | NYA |
| +063+ | 1.52 | Jim Bunning | 55.7 | PHI |
| +066+ | 1.49 | Mike Torrez | 59.7 | SLN |
| +075+ | 1.32 | Jim Kaat | 74 | MIN |
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