| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Hands | CHN | 4.38 | 197005180_CHN_CIN |
| Jim Perry | MIN | 3.61 | 197005170_MIN_MIL |
| Bob Gibson | SLN | 3.54 | 197005180_SLN_HOU |
| Claude Osteen | LAN | 2.47 | 197005170_SFN_LAN |
| Andy Messersmith | ANA | 2.14 | 197005180_ANA_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Stoneman | WAS | -2.97 | 197005180_NYN_WAS |
| Milt Pappas | ATL | -1.82 | 197005190_ATL_SFN |
| Lew Krausse | MIL | -1.42 | 197005170_MIN_MIL |
| George Brunet | TEX | -0.95 | 197005180_CLE_TEX |
| Dick Drago | KCA | -0.72 | 197005171_KCA_CHA |
Based on accumulated WAA for this season up to 1970-05-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.38 | Tom Seaver | 78 | NYN |
| +011+ | 2.62 | Sam McDowell | 73.3 | CLE |
| +012+ | 2.62 | Gary Gentry | 60 | NYN |
| +013+ | 2.56 | Claude Osteen | 70.3 | LAN |
| +014+ | 2.47 | Wayne Simpson | 59.7 | CIN |
| +017+ | 2.25 | Larry Dierker | 80.7 | HOU |
| +018+ | 2.22 | Jim Merritt | 77.7 | CIN |
| +020+ | 2.19 | Tom Phoebus | 47.3 | BAL |
| +021+ | 2.19 | Ray Culp | 60.3 | BOS |
| +023+ | 2.12 | Jim Perry | 63.7 | MIN |
| +027+ | 1.88 | Jim Palmer | 67 | BAL |
| +029+ | 1.81 | Eddie Fisher | 32.3 | ANA |
| +034+ | 1.69 | Jerry Koosman | 61.3 | NYN |
| +035+ | 1.69 | Rudy May | 59.3 | ANA |
| +037+ | 1.67 | Jim Hunter | 68.3 | OAK |
| +040+ | 1.63 | Danny Coombs | 43.7 | SDN |
| +042+ | 1.61 | Joe Horlen | 64.7 | CHA |
| +045+ | 1.55 | Bill Hands | 66.3 | CHN |
| +047+ | 1.54 | Jim McGlothlin | 56.3 | CIN |
| +048+ | 1.53 | Jim Bunning | 47.7 | PHI |
| +049+ | 1.52 | John Morris | 42 | MIL |
| +051+ | 1.51 | Sandy Vance | 41.3 | LAN |
| +055+ | 1.43 | Jerry Janeski | 56 | CHA |
| +058+ | 1.39 | Gary Nolan | 59.3 | CIN |
| +060+ | 1.38 | Bob Johnson | 32.7 | KCA |
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