| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | LAN | 6.97 | 198106050_LAN_CHN |
| Steve Carlton | PHI | 5.51 | 198106050_PHI_ATL |
| Tom Seaver | CIN | 4.49 | 198106060_WAS_CIN |
| Ken Forsch | ANA | 4.23 | 198106060_BAL_ANA |
| Nolan Ryan | HOU | 3.99 | 198106050_NYN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Glenn Abbott | SEA | -2.65 | 198106070_CLE_SEA |
| Bruce Berenyi | CIN | -2.38 | 198106070_WAS_CIN |
| Milt Wilcox | DET | -1.86 | 198106070_MIN_DET |
| Tim Lollar | SDN | -1.76 | 198106060_SDN_SLN |
| Frank Tanana | BOS | -1.45 | 198106050_BOS_OAK |
Based on accumulated WAA for this season up to 1981-06-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.75 | Bob Knepper | 86.7 | HOU |
| +002+ | 3.55 | Nolan Ryan | 72 | HOU |
| +005+ | 3.09 | Fernando Valenzuela | 103.3 | LAN |
| +008+ | 3.01 | Len Barker | 74.7 | CLE |
| +009+ | 2.91 | Ken Forsch | 94 | ANA |
| +010+ | 2.79 | Tom Seaver | 78.3 | CIN |
| +012+ | 2.57 | Jerry Reuss | 71.7 | LAN |
| +014+ | 2.48 | Jack Morris | 103.3 | DET |
| +015+ | 2.47 | Vida Blue | 81.3 | SFN |
| +016+ | 2.43 | Steve McCatty | 85.3 | OAK |
| +021+ | 2.17 | Steve Carlton | 98 | PHI |
| +022+ | 2.15 | Doyle Alexander | 72.3 | SFN |
| +026+ | 1.98 | Joe Niekro | 91.3 | HOU |
| +035+ | 1.82 | Scott Sanderson | 61.7 | WAS |
| +036+ | 1.77 | Burt Hooton | 74.7 | LAN |
| +038+ | 1.71 | Bert Blyleven | 84.3 | CLE |
| +041+ | 1.6 | Jim Bibby | 71.7 | PIT |
| +044+ | 1.54 | Brian Kingman | 72 | OAK |
| +047+ | 1.49 | Rick Langford | 94.3 | OAK |
| +053+ | 1.41 | Andy Rincon | 35.7 | SLN |
| +058+ | 1.34 | John Martin | 37.3 | SLN |
| +062+ | 1.31 | Rick Waits | 69.3 | CLE |
| +063+ | 1.31 | Juan Eichelberger | 73.7 | SDN |
| +064+ | 1.3 | Dave Righetti | 23 | NYA |
| +066+ | 1.28 | Rick Rhoden | 70.3 | PIT |
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