| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 9.16 | 197005060_LAN_NYN |
| Sam McDowell | CLE | 7.33 | 197005060_CLE_CHA |
| Mel Stottlemyre | NYA | 3.65 | 197005060_NYA_OAK |
| Bill Hands | CHN | 3.53 | 197005040_CHN_HOU |
| Andy Messersmith | ANA | 2.74 | 197005050_TEX_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Stoneman | WAS | -2.71 | 197005050_SFN_WAS |
| Gary Peters | BOS | -2.65 | 197005060_BOS_MIL |
| Jim Bouton | HOU | -2.01 | 197005040_CHN_HOU |
| Gene Brabender | MIL | -1.69 | 197005050_BOS_MIL |
| George Brunet | TEX | -1.51 | 197005050_TEX_ANA |
Based on accumulated WAA for this season up to 1970-05-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 2.66 | Wayne Simpson | 46.7 | CIN |
| +008+ | 2.28 | Jim Hunter | 53.3 | OAK |
| +010+ | 2.19 | Tom Seaver | 60 | NYN |
| +011+ | 2.02 | Claude Osteen | 48 | LAN |
| +012+ | 1.92 | Tom Phoebus | 31.3 | BAL |
| +013+ | 1.87 | Jim Merritt | 56.7 | CIN |
| +018+ | 1.73 | Joe Niekro | 45.7 | DET |
| +019+ | 1.71 | Sam McDowell | 56 | CLE |
| +020+ | 1.68 | Jim Perry | 44 | MIN |
| +021+ | 1.66 | Gary Gentry | 36.7 | NYN |
| +024+ | 1.59 | Jim Kaat | 45.3 | MIN |
| +026+ | 1.56 | Nolan Ryan | 33 | NYN |
| +029+ | 1.52 | Dave Roberts | 26.3 | SDN |
| +033+ | 1.35 | Gary Nolan | 43.7 | CIN |
| +034+ | 1.33 | Bill Hands | 42.3 | CHN |
| XXXXX | 1.17 | Carl Morton | 22 | WAS |
| XXXXX | 1.13 | Mickey Lolich | 62.7 | DET |
| XXXXX | 1.12 | Jerry Koosman | 45 | NYN |
| XXXXX | 1.07 | Danny Coombs | 23.7 | SDN |
| XXXXX | 1 | Rudy May | 38 | ANA |
| XXXXX | 0.97 | Jim Bunning | 32.7 | PHI |
| XXXXX | 0.96 | Joe Horlen | 40.7 | CHA |
| XXXXX | 0.95 | Denny Lemaster | 43 | HOU |
| XXXXX | 0.88 | John Cumberland | 20 | NYA |
| XXXXX | 0.88 | Sandy Vance | 20 | LAN |
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