| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nolan Ryan | HOU | 5.11 | 198308030_HOU_SDN |
| Steve Rogers | WAS | 4.16 | 198308020_WAS_NYN |
| Steve Carlton | PHI | 3.61 | 198308010_CHN_PHI |
| Pascual Perez | ATL | 2.25 | 198308020_ATL_SFN |
| Larry McWilliams | PIT | 2.1 | 198308020_PHI_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Brad Havens | MIN | -9.89 | 198308011_ANA_MIN |
| Dennis Eckersley | BOS | -4.82 | 198308030_BOS_TEX |
| Len Barker | CLE | -3.51 | 198308010_CLE_TOR |
| Dennis Martinez | BAL | -3.13 | 198308021_BAL_CLE |
| Gaylord Perry | KCA | -2.94 | 198308021_KCA_MIL |
Based on accumulated WAA for this season up to 1983-08-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.67 | Mario Soto | 179.3 | CIN |
| +004+ | 6.27 | Atlee Hammaker | 140.7 | SFN |
| +006+ | 5.52 | Rick Honeycutt | 155.3 | TEX |
| +007+ | 5.49 | John Denny | 155 | PHI |
| +014+ | 4.64 | Nolan Ryan | 124.3 | HOU |
| +017+ | 4.28 | Dave Stieb | 181.3 | TOR |
| +020+ | 3.97 | Alejandro Pena | 110.7 | LAN |
| +022+ | 3.91 | Joe Price | 138 | CIN |
| +026+ | 3.72 | Matt Young | 147 | SEA |
| +027+ | 3.68 | Steve Rogers | 189.3 | WAS |
| +033+ | 3.43 | Larry McWilliams | 170 | PIT |
| +042+ | 3.17 | Pascual Perez | 146 | ATL |
| +045+ | 3.04 | Bob Welch | 137.3 | LAN |
| +046+ | 2.94 | Steve Carlton | 189.3 | PHI |
| +048+ | 2.87 | Scott McGregor | 166.3 | BAL |
| +049+ | 2.87 | Storm Davis | 148 | BAL |
| +052+ | 2.72 | Ray Burris | 108 | WAS |
| +055+ | 2.65 | Danny Darwin | 144.3 | TEX |
| +057+ | 2.6 | Craig McMurtry | 146.7 | ATL |
| +060+ | 2.46 | Mark Thurmond | 52 | SDN |
| +065+ | 2.36 | Mike Madden | 42.7 | HOU |
| +067+ | 2.28 | Jim Clancy | 152.7 | TOR |
| +073+ | 2.14 | Bob Knepper | 152.7 | HOU |
| +076+ | 2.12 | Ron Guidry | 153.7 | NYA |
| +077+ | 2.1 | Rick Lysander | 82 | MIN |
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