| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | LAN | 6.55 | 198106100_LAN_SLN |
| Steve Carlton | PHI | 6.37 | 198106100_HOU_PHI |
| Ken Forsch | ANA | 5.51 | 198106110_BOS_ANA |
| Nolan Ryan | HOU | 5.5 | 198106100_HOU_PHI |
| Tom Seaver | CIN | 4.76 | 198106110_CIN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Krukow | CHN | -4.59 | 198106090_SFN_CHN |
| Mike Torrez | BOS | -3 | 198106090_BOS_SEA |
| Mike Parrott | SEA | -2.38 | 198106110_BAL_SEA |
| Ferguson Jenkins | TEX | -0.88 | 198106110_TEX_MIL |
| Fernando Arroyo | MIN | -0.82 | 198106090_MIL_MIN |
Based on accumulated WAA for this season up to 1981-06-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.8 | Bob Knepper | 86.7 | HOU |
| +002+ | 4.02 | Nolan Ryan | 79.7 | HOU |
| +006+ | 3.29 | Fernando Valenzuela | 110.3 | LAN |
| +007+ | 3.25 | Ken Forsch | 103 | ANA |
| +008+ | 3.14 | Jerry Reuss | 80.7 | LAN |
| +009+ | 3.12 | Tom Seaver | 87.3 | CIN |
| +011+ | 2.89 | Len Barker | 82.7 | CLE |
| +012+ | 2.84 | Jack Morris | 112.3 | DET |
| +014+ | 2.76 | Steve McCatty | 94.3 | OAK |
| +017+ | 2.52 | Vida Blue | 81.3 | SFN |
| +019+ | 2.37 | Scott Sanderson | 70.7 | WAS |
| +029+ | 2 | Steve Carlton | 106 | PHI |
| +041+ | 1.62 | Rick Langford | 103.3 | OAK |
| +042+ | 1.61 | Jim Bibby | 71.7 | PIT |
| +044+ | 1.59 | Bert Blyleven | 92.3 | CLE |
| +045+ | 1.59 | Richard Dotson | 89 | CHA |
| +049+ | 1.53 | Juan Eichelberger | 81.3 | SDN |
| +050+ | 1.52 | Joe Niekro | 95.3 | HOU |
| +053+ | 1.5 | Fred Breining | 36 | SFN |
| +054+ | 1.5 | Doyle Alexander | 76.7 | SFN |
| +058+ | 1.48 | Dave Righetti | 30 | NYA |
| +059+ | 1.46 | Brian Kingman | 76 | OAK |
| +062+ | 1.42 | Andy Rincon | 35.7 | SLN |
| +063+ | 1.41 | Steve Trout | 69.3 | CHA |
| +065+ | 1.36 | Rick Waits | 69.3 | CLE |
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