| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 7.18 | 198308190_PHI_LAN |
| Mario Soto | CIN | 6.53 | 198308190_CIN_PIT |
| Dave Stieb | TOR | 5.88 | 198308200_TOR_BOS |
| Scott McGregor | BAL | 2.77 | 198308191_KCA_BAL |
| Alejandro Pena | LAN | 2.56 | 198308190_PHI_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | -6.93 | 198308200_DET_MIN |
| Dennis Eckersley | BOS | -5.81 | 198308200_TOR_BOS |
| Larry Gura | KCA | -2.95 | 198308200_KCA_BAL |
| Jerry Koosman | CHA | -1.75 | 198308192_CHA_TEX |
| Marty Bystrom | PHI | -0.88 | 198308200_PHI_LAN |
Based on accumulated WAA for this season up to 1983-08-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.59 | Mario Soto | 210.3 | CIN |
| +004+ | 6.4 | John Denny | 182.7 | PHI |
| +007+ | 6.21 | Atlee Hammaker | 140.7 | SFN |
| +010+ | 5.7 | Rick Honeycutt | 174.7 | TEX |
| +011+ | 5.51 | Steve Carlton | 224 | PHI |
| +015+ | 5.18 | Dave Stieb | 214.7 | TOR |
| +016+ | 4.89 | Nolan Ryan | 144.7 | HOU |
| +020+ | 4.56 | Alejandro Pena | 129.7 | LAN |
| +022+ | 4.26 | Steve Rogers | 213.3 | WAS |
| +028+ | 3.93 | Bob Welch | 157.7 | LAN |
| +032+ | 3.78 | Joe Price | 140.3 | CIN |
| +040+ | 3.34 | Scott McGregor | 196 | BAL |
| +047+ | 3.15 | Matt Young | 161.7 | SEA |
| +051+ | 2.88 | Mark Thurmond | 69 | SDN |
| +050+ | 2.88 | Larry McWilliams | 181.3 | PIT |
| +052+ | 2.87 | Pascual Perez | 164.7 | ATL |
| +056+ | 2.8 | Bryn Smith | 97.7 | WAS |
| +058+ | 2.79 | Frank Tanana | 104.3 | TEX |
| +061+ | 2.76 | Juan Berenguer | 120 | DET |
| +065+ | 2.73 | Mike Madden | 61.3 | HOU |
| +071+ | 2.57 | Craig McMurtry | 170.7 | ATL |
| +073+ | 2.55 | Dave Righetti | 181.3 | NYA |
| +072+ | 2.55 | Jose DeLeon | 56.3 | PIT |
| +075+ | 2.43 | Rick Rhoden | 190.3 | PIT |
| +080+ | 2.31 | Charlie Lea | 160.7 | WAS |
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