| Starter | Tm | Tier | Game |
|---|---|---|---|
| Claude Osteen | LAN | 3.69 | 197005260_LAN_SFN |
| Mel Stottlemyre | NYA | 3.57 | 197005260_NYA_DET |
| Jim Palmer | BAL | 3.2 | 197005270_CLE_BAL |
| Phil Niekro | ATL | 1.63 | 197005270_HOU_ATL |
| Larry Dierker | HOU | 1.44 | 197005260_HOU_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -3.81 | 197005260_TEX_BOS |
| Bill Stoneman | WAS | -2.72 | 197005260_PHI_WAS |
| Gary Ross | SDN | -1.97 | 197005270_CIN_SDN |
| Woodie Fryman | PHI | -0.72 | 197005270_PHI_WAS |
| Dick Drago | KCA | -0.63 | 197005270_CHA_KCA |
Based on accumulated WAA for this season up to 1970-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.98 | Tom Seaver | 94 | NYN |
| +011+ | 2.83 | Claude Osteen | 87.3 | LAN |
| +012+ | 2.8 | Jim McGlothlin | 72.3 | CIN |
| +014+ | 2.65 | Jim Palmer | 82.7 | BAL |
| +017+ | 2.57 | Danny Coombs | 54.7 | SDN |
| +019+ | 2.52 | Tom Phoebus | 62.7 | BAL |
| +020+ | 2.5 | Sam McDowell | 89.3 | CLE |
| +021+ | 2.43 | Jim Hunter | 83.7 | OAK |
| +023+ | 2.41 | Wayne Simpson | 72.7 | CIN |
| +029+ | 2.03 | Jim Merritt | 91.7 | CIN |
| +030+ | 2.02 | Jim Perry | 70 | MIN |
| +031+ | 2.01 | Gary Gentry | 72 | NYN |
| +032+ | 2 | Ray Culp | 74 | BOS |
| +033+ | 1.99 | Carl Morton | 58 | WAS |
| +035+ | 1.95 | Bill Hands | 73.3 | CHN |
| +039+ | 1.78 | Rudy May | 65 | ANA |
| +044+ | 1.73 | Eddie Fisher | 36 | ANA |
| +049+ | 1.65 | Andy Messersmith | 75.3 | ANA |
| +052+ | 1.6 | Jerry Koosman | 62.7 | NYN |
| +056+ | 1.57 | Sandy Vance | 51.3 | LAN |
| +055+ | 1.57 | Stan Bahnsen | 68.3 | NYA |
| +060+ | 1.53 | Jim Bunning | 55.7 | PHI |
| +061+ | 1.51 | Bob Veale | 72 | PIT |
| +062+ | 1.5 | Mike Torrez | 59.7 | SLN |
| +071+ | 1.34 | Jim Kaat | 74 | MIN |
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