| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 6.01 | 198104180_CHN_PHI |
| Phil Niekro | ATL | 4.43 | 198104190_SFN_ATL |
| Joe Niekro | HOU | 3.95 | 198104190_PIT_HOU |
| Tommy John | NYA | 3.89 | 198104180_NYA_TEX |
| Tom Seaver | CIN | 2.24 | 198104180_SLN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Glenn Abbott | SEA | -5.26 | 198104191_SEA_OAK |
| Rich Gale | KCA | -2.24 | 198104190_BAL_KCA |
| Mike Krukow | CHN | -1.92 | 198104180_CHN_PHI |
| Allen Ripley | SFN | -1.53 | 198104190_SFN_ATL |
| Ray Burris | WAS | -1.23 | 198104191_WAS_NYN |
Based on accumulated WAA for this season up to 1981-04-19.
| Rank | WAA | Name | IP | Tm |
|---|
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