| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Koosman | NYN | 5.71 | 197005160_NYN_PHI |
| Bill Hands | CHN | 4.38 | 197005180_CHN_CIN |
| Jim Perry | MIN | 3.61 | 197005170_MIN_MIL |
| Bob Gibson | SLN | 3.54 | 197005180_SLN_HOU |
| Mel Stottlemyre | NYA | 3.15 | 197005160_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Stoneman | WAS | -2.97 | 197005180_NYN_WAS |
| Gene Brabender | MIL | -1.73 | 197005160_MIN_MIL |
| Chuck Dobson | OAK | -1.22 | 197005160_ANA_OAK |
| Don Wilson | HOU | -1.03 | 197005160_HOU_SDN |
| George Brunet | TEX | -0.95 | 197005180_CLE_TEX |
Based on accumulated WAA for this season up to 1970-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.4 | Tom Seaver | 78 | NYN |
| +009+ | 2.63 | Gary Gentry | 60 | NYN |
| +010+ | 2.62 | Sam McDowell | 73.3 | CLE |
| +012+ | 2.58 | Claude Osteen | 70.3 | LAN |
| +014+ | 2.49 | Wayne Simpson | 59.7 | CIN |
| +015+ | 2.29 | Jim Hunter | 66 | OAK |
| +016+ | 2.27 | Larry Dierker | 80.7 | HOU |
| +018+ | 2.24 | Jim Merritt | 77.7 | CIN |
| +019+ | 2.21 | Ray Culp | 60.3 | BOS |
| +020+ | 2.21 | Tom Phoebus | 47.3 | BAL |
| +023+ | 2.16 | Jim Perry | 63.7 | MIN |
| +028+ | 1.82 | Eddie Fisher | 32.3 | ANA |
| +033+ | 1.7 | Jerry Koosman | 61.3 | NYN |
| +034+ | 1.64 | Danny Coombs | 43.7 | SDN |
| +041+ | 1.56 | Jim McGlothlin | 56.3 | CIN |
| +042+ | 1.55 | Bill Hands | 66.3 | CHN |
| +044+ | 1.54 | Jim Bunning | 47.7 | PHI |
| +046+ | 1.52 | Joe Horlen | 56.7 | CHA |
| +047+ | 1.51 | Sandy Vance | 41.3 | LAN |
| +049+ | 1.45 | Jerry Janeski | 56 | CHA |
| +051+ | 1.39 | Bob Johnson | 32.7 | KCA |
| +054+ | 1.34 | John Morris | 33 | MIL |
| +056+ | 1.32 | Steve Blass | 59.7 | PIT |
| +059+ | 1.29 | Jim Palmer | 58 | BAL |
| XXXXX | 1.22 | Mickey Lolich | 74.7 | DET |
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