| Starter | Tm | Tier | Game |
|---|---|---|---|
| John Denny | PHI | 4.81 | 198307310_CHN_PHI |
| Steve Rogers | WAS | 4.16 | 198308020_WAS_NYN |
| Pascual Perez | ATL | 2.25 | 198308020_ATL_SFN |
| Dave Righetti | NYA | 2.15 | 198307310_NYA_CHA |
| Larry McWilliams | PIT | 2.1 | 198308020_PHI_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Brad Havens | MIN | -9.89 | 198308011_ANA_MIN |
| Len Barker | CLE | -3.51 | 198308010_CLE_TOR |
| Dennis Martinez | BAL | -3.13 | 198308021_BAL_CLE |
| Frank Pastore | CIN | -2.94 | 198308020_CIN_LAN |
| Gaylord Perry | KCA | -2.94 | 198308021_KCA_MIL |
Based on accumulated WAA for this season up to 1983-08-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.66 | Mario Soto | 179.3 | CIN |
| +004+ | 6.28 | Atlee Hammaker | 140.7 | SFN |
| +006+ | 5.49 | Rick Honeycutt | 155.3 | TEX |
| +007+ | 5.48 | John Denny | 155 | PHI |
| +016+ | 4.29 | Dave Stieb | 181.3 | TOR |
| +020+ | 3.98 | Alejandro Pena | 110.7 | LAN |
| +022+ | 3.9 | Joe Price | 138 | CIN |
| +023+ | 3.84 | Nolan Ryan | 115.3 | HOU |
| +027+ | 3.73 | Matt Young | 147 | SEA |
| +028+ | 3.68 | Steve Rogers | 189.3 | WAS |
| +033+ | 3.44 | Larry McWilliams | 170 | PIT |
| +041+ | 3.18 | Pascual Perez | 146 | ATL |
| +043+ | 3.04 | Bob Welch | 137.3 | LAN |
| +045+ | 2.93 | Steve Carlton | 189.3 | PHI |
| +048+ | 2.88 | Scott McGregor | 166.3 | BAL |
| +051+ | 2.74 | Danny Darwin | 138.7 | TEX |
| +054+ | 2.64 | Ron Guidry | 145.7 | NYA |
| +057+ | 2.61 | Craig McMurtry | 146.7 | ATL |
| +058+ | 2.6 | Storm Davis | 142.7 | BAL |
| +062+ | 2.46 | Mark Thurmond | 52 | SDN |
| +064+ | 2.36 | Mike Madden | 42.7 | HOU |
| +066+ | 2.3 | Ray Burris | 101 | WAS |
| +073+ | 2.15 | Bob Knepper | 152.7 | HOU |
| +076+ | 2.11 | Rick Lysander | 82 | MIN |
| +078+ | 2.07 | Juan Berenguer | 91 | DET |
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