| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | LAN | 7.58 | 198108100_CIN_LAN |
| Ken Forsch | ANA | 5.92 | 198108110_ANA_SEA |
| Tom Seaver | CIN | 5.3 | 198108120_CIN_LAN |
| Jim Bibby | PIT | 5.15 | 198108100_PIT_WAS |
| Scott Sanderson | WAS | 4.6 | 198108100_PIT_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Clay | SEA | -3.63 | 198108120_ANA_SEA |
| Mike Krukow | CHN | -3.62 | 198108100_NYN_CHN |
| Jim Clancy | TOR | -2.04 | 198108100_TOR_DET |
| Mike Torrez | BOS | -1.97 | 198108110_CHA_BOS |
| Nino Espinosa | PHI | -1.54 | 198108110_SLN_PHI |
Based on accumulated WAA for this season up to 1981-08-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.83 | Bob Knepper | 86.7 | HOU |
| +003+ | 4.04 | Nolan Ryan | 79.7 | HOU |
| +005+ | 3.62 | Jerry Reuss | 86.3 | LAN |
| +009+ | 3.14 | Ken Forsch | 109 | ANA |
| +010+ | 3.05 | Fernando Valenzuela | 114.7 | LAN |
| +012+ | 2.88 | Len Barker | 90.7 | CLE |
| +013+ | 2.8 | Steve McCatty | 94.3 | OAK |
| +014+ | 2.59 | Scott Sanderson | 75.7 | WAS |
| +017+ | 2.51 | Jack Morris | 118.3 | DET |
| +026+ | 2.15 | Tom Seaver | 90.3 | CIN |
| +027+ | 2.12 | Vida Blue | 84 | SFN |
| +031+ | 1.99 | Steve Carlton | 106 | PHI |
| +037+ | 1.87 | Bert Blyleven | 101.3 | CLE |
| +041+ | 1.81 | Jim Bibby | 76.3 | PIT |
| +042+ | 1.8 | Doyle Alexander | 82.7 | SFN |
| +043+ | 1.79 | Juan Eichelberger | 89.7 | SDN |
| +045+ | 1.77 | Dave Righetti | 36 | NYA |
| +046+ | 1.68 | Steve Trout | 72.3 | CHA |
| +049+ | 1.65 | Richard Dotson | 92 | CHA |
| +051+ | 1.6 | Dennis Lamp | 44 | CHA |
| +058+ | 1.49 | Brian Kingman | 76 | OAK |
| +060+ | 1.44 | Joe Niekro | 101.7 | HOU |
| +063+ | 1.43 | Andy Rincon | 35.7 | SLN |
| +061+ | 1.43 | Bill Lee | 47 | WAS |
| +064+ | 1.42 | Jim Palmer | 76.3 | BAL |
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