| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rudy May | NYA | 6.92 | 198105031_NYA_OAK |
| Phil Niekro | ATL | 6.13 | 198105020_ATL_CHN |
| Jerry Reuss | LAN | 5.31 | 198105020_LAN_WAS |
| Scott Sanderson | WAS | 4.16 | 198105020_LAN_WAS |
| Jim Bibby | PIT | 3.82 | 198105030_HOU_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Torrez | BOS | -4.96 | 198105020_MIN_BOS |
| Mike Parrott | SEA | -3.08 | 198105010_DET_SEA |
| Fernando Arroyo | MIN | -1.88 | 198105010_MIN_BOS |
| Wayne Garland | CLE | -1.87 | 198105030_CHA_CLE |
| Mike Scott | NYN | -1.77 | 198105032_SDN_NYN |
Based on accumulated WAA for this season up to 1981-05-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.77 | Fernando Valenzuela | 54 | LAN |
| +002+ | 2.29 | Matt Keough | 45 | OAK |
| +006+ | 1.82 | Doyle Alexander | 33.7 | SFN |
| +008+ | 1.6 | Steve McCatty | 47 | OAK |
| +010+ | 1.47 | Brian Kingman | 34.7 | OAK |
| +013+ | 1.39 | Jerry Reuss | 26 | LAN |
| +015+ | 1.34 | Larry Gura | 39.3 | KCA |
| +017+ | 1.33 | Rick Waits | 27 | CLE |
| +016+ | 1.33 | Bob Knepper | 27.7 | HOU |
| XXXXX | 1.25 | Joe Niekro | 42.7 | HOU |
| XXXXX | 1.23 | Rudy May | 46 | NYA |
| XXXXX | 1.21 | Mike Norris | 42 | OAK |
| XXXXX | 1.11 | Bryan Clark | 24.7 | SEA |
| XXXXX | 1.07 | Jerry Augustine | 14 | MIL |
| XXXXX | 1.06 | Andy Rincon | 23 | SLN |
| XXXXX | 1.01 | Steve Carlton | 42 | PHI |
| XXXXX | 0.99 | Tommy John | 43 | NYA |
| XXXXX | 0.98 | Tom Seaver | 43.3 | CIN |
| XXXXX | 0.96 | Gaylord Perry | 35 | ATL |
| XXXXX | 0.94 | Steve Renko | 22 | ANA |
| XXXXX | 0.9 | Len Barker | 24.3 | CLE |
| XXXXX | 0.9 | Milt Wilcox | 34.3 | DET |
| XXXXX | 0.82 | Vida Blue | 37 | SFN |
| XXXXX | 0.81 | Mark Bomback | 29.3 | TOR |
| XXXXX | 0.8 | Jim Bibby | 31 | PIT |
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