| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Bibby | PIT | 4.78 | 198106030_CHN_PIT |
| Burt Hooton | LAN | 3.96 | 198106030_ATL_LAN |
| Phil Niekro | ATL | 3.64 | 198106030_ATL_LAN |
| Ken Forsch | ANA | 3.06 | 198106010_ANA_TOR |
| Bert Blyleven | CLE | 1.55 | 198106020_BOS_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Glenn Abbott | SEA | -3.13 | 198106010_SEA_KCA |
| Bruce Berenyi | CIN | -2.01 | 198106010_CIN_SFN |
| Rich Gale | KCA | -1.66 | 198106030_SEA_KCA |
| Milt Wilcox | DET | -1.64 | 198106010_MIL_DET |
| Wayne Garland | CLE | -1.64 | 198106010_NYA_CLE |
Based on accumulated WAA for this season up to 1981-06-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.42 | Bob Knepper | 77.7 | HOU |
| +002+ | 4.26 | Fernando Valenzuela | 100 | LAN |
| +006+ | 2.95 | Joe Niekro | 88 | HOU |
| +008+ | 2.81 | Nolan Ryan | 63 | HOU |
| +009+ | 2.77 | Jerry Reuss | 66.7 | LAN |
| +010+ | 2.68 | Tom Seaver | 69.3 | CIN |
| +012+ | 2.48 | Len Barker | 65.3 | CLE |
| +013+ | 2.46 | Steve McCatty | 85.3 | OAK |
| +017+ | 2.17 | Vida Blue | 75.3 | SFN |
| +016+ | 2.17 | Ken Forsch | 85 | ANA |
| +018+ | 2.14 | Doyle Alexander | 72.3 | SFN |
| +029+ | 1.79 | Scott Sanderson | 61.7 | WAS |
| +031+ | 1.75 | Burt Hooton | 74.7 | LAN |
| +033+ | 1.74 | Jack Morris | 94.3 | DET |
| +037+ | 1.67 | Steve Carlton | 92 | PHI |
| +038+ | 1.65 | Britt Burns | 72 | CHA |
| +040+ | 1.61 | Jim Bibby | 71.7 | PIT |
| +042+ | 1.56 | Brian Kingman | 72 | OAK |
| +044+ | 1.53 | Rick Waits | 64 | CLE |
| +047+ | 1.49 | Rick Langford | 86.3 | OAK |
| +051+ | 1.45 | Bert Blyleven | 75.7 | CLE |
| +053+ | 1.44 | Andy Rincon | 35.7 | SLN |
| +057+ | 1.38 | Rick Rhoden | 63.7 | PIT |
| +060+ | 1.33 | Matt Keough | 79.3 | OAK |
| +061+ | 1.32 | Dave Righetti | 23 | NYA |
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