| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nolan Ryan | HOU | 4.78 | 198307260_PHI_HOU |
| John Denny | PHI | 4.42 | 198307270_PHI_HOU |
| Steve Rogers | WAS | 3.9 | 198307281_SLN_WAS |
| Matt Young | SEA | 2.55 | 198307260_SEA_DET |
| Larry McWilliams | PIT | 1.92 | 198307280_PIT_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Doug Bird | BOS | -4.42 | 198307262_BOS_OAK |
| Gaylord Perry | KCA | -3.51 | 198307270_CLE_KCA |
| Len Barker | CLE | -3.34 | 198307270_CLE_KCA |
| Frank Pastore | CIN | -2.52 | 198307270_WAS_CIN |
| Albert Williams | MIN | -2.06 | 198307270_MIL_MIN |
Based on accumulated WAA for this season up to 1983-07-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.26 | Atlee Hammaker | 140.7 | SFN |
| +004+ | 6.26 | Rick Honeycutt | 153 | TEX |
| +005+ | 5.99 | Mario Soto | 170.3 | CIN |
| +007+ | 5.22 | John Denny | 148 | PHI |
| +011+ | 4.65 | Dave Stieb | 175.3 | TOR |
| +013+ | 4.27 | Joe Price | 133.3 | CIN |
| +022+ | 3.73 | Nolan Ryan | 109.3 | HOU |
| +023+ | 3.72 | Steve Rogers | 183.3 | WAS |
| +027+ | 3.5 | Larry McWilliams | 163 | PIT |
| +030+ | 3.41 | Pascual Perez | 135 | ATL |
| +031+ | 3.39 | Matt Young | 141.3 | SEA |
| +036+ | 3.21 | Alejandro Pena | 95.7 | LAN |
| +038+ | 3.03 | Scott McGregor | 159.3 | BAL |
| +040+ | 2.91 | Ron Guidry | 137.7 | NYA |
| +041+ | 2.91 | Jerry Reuss | 143.3 | LAN |
| +046+ | 2.83 | Craig McMurtry | 142.3 | ATL |
| +048+ | 2.81 | Bob Welch | 128.3 | LAN |
| +054+ | 2.63 | Storm Davis | 136.7 | BAL |
| +057+ | 2.47 | Bob Knepper | 146.7 | HOU |
| +060+ | 2.39 | Dave Righetti | 150.3 | NYA |
| +063+ | 2.35 | Danny Darwin | 135 | TEX |
| +064+ | 2.27 | Steve Carlton | 180.3 | PHI |
| +065+ | 2.27 | Ray Burris | 101 | WAS |
| +067+ | 2.23 | Dave Rozema | 88.3 | DET |
| +071+ | 2.18 | Mark Thurmond | 44 | SDN |
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