| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 7.2 | 197004140_WAS_SLN |
| Jerry Koosman | NYN | 6.91 | 197004140_PIT_NYN |
| Jim Perry | MIN | 4.33 | 197004150_MIN_ANA |
| Andy Messersmith | ANA | 3.56 | 197004150_MIN_ANA |
| Gaylord Perry | SFN | 3.05 | 197004150_SFN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Sparma | WAS | -3.12 | 197004150_WAS_SLN |
| Gene Brabender | MIL | -3.07 | 197004140_MIL_OAK |
| Jim Lonborg | BOS | -2.64 | 197004150_NYA_BOS |
| Jim Merritt | CIN | -1.73 | 197004150_LAN_CIN |
| Clyde Wright | ANA | -1.51 | 197004140_CHA_ANA |
Based on accumulated WAA for this season up to 1970-04-16.
| Rank | WAA | Name | IP | Tm |
|---|
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