| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | TEX | 4.47 | 198004132_NYA_TEX |
| Phil Niekro | ATL | 3.92 | 198004130_ATL_CIN |
| Steve Rogers | WAS | 3.57 | 198004110_WAS_PHI |
| Ken Forsch | HOU | 1.41 | 198004130_LAN_HOU |
| Tommy John | NYA | 1.07 | 198004110_NYA_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Burris | NYN | -4.63 | 198004110_CHN_NYN |
| Roger Erickson | MIN | -3.32 | 198004130_MIN_OAK |
| Mike Torrez | BOS | -2.91 | 198004120_BOS_MIL |
| Moose Haas | MIL | -2.77 | 198004130_BOS_MIL |
| Don Aase | ANA | -2.7 | 198004130_CLE_ANA |
Based on accumulated WAA for this season up to 1980-04-13.
| Rank | WAA | Name | IP | Tm |
|---|
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