| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 7.11 | 198307130_ATL_PHI |
| Nolan Ryan | HOU | 6.46 | 198307130_WAS_HOU |
| Jerry Reuss | LAN | 5.53 | 198307130_SLN_LAN |
| Steve Rogers | WAS | 3.91 | 198307140_WAS_HOU |
| Pascual Perez | ATL | 2.33 | 198307140_ATL_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Pastore | CIN | -4.38 | 198307120_CIN_NYN |
| Frank Viola | MIN | -3.99 | 198307120_NYA_MIN |
| Dennis Eckersley | BOS | -3.25 | 198307130_SEA_BOS |
| Matt Keough | NYA | -2.5 | 198307120_NYA_MIN |
| Chris Welsh | WAS | -1.29 | 198307120_WAS_HOU |
Based on accumulated WAA for this season up to 1983-07-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.19 | Atlee Hammaker | 125.3 | SFN |
| +003+ | 5.98 | Rick Honeycutt | 136 | TEX |
| +004+ | 5.66 | Mario Soto | 145.7 | CIN |
| +006+ | 4.98 | John Denny | 126.3 | PHI |
| +007+ | 4.77 | Dave Stieb | 155.3 | TOR |
| +013+ | 4 | Pascual Perez | 122 | ATL |
| +017+ | 3.69 | Matt Young | 123 | SEA |
| +019+ | 3.56 | Nolan Ryan | 90.3 | HOU |
| +026+ | 3.27 | Joe Price | 119.3 | CIN |
| +031+ | 2.93 | Craig McMurtry | 126.3 | ATL |
| +032+ | 2.93 | Jerry Reuss | 131.7 | LAN |
| +033+ | 2.9 | Steve Rogers | 158 | WAS |
| +035+ | 2.89 | Steve Carlton | 164 | PHI |
| +034+ | 2.89 | Bob Welch | 107.7 | LAN |
| +037+ | 2.85 | Alejandro Pena | 81.3 | LAN |
| +042+ | 2.59 | Larry McWilliams | 140 | PIT |
| +046+ | 2.38 | Frank Tanana | 58.7 | TEX |
| +047+ | 2.33 | Ray Burris | 84.3 | WAS |
| +049+ | 2.28 | Dave Righetti | 129 | NYA |
| +055+ | 2.05 | Scott McGregor | 141.3 | BAL |
| +056+ | 2.05 | Storm Davis | 118 | BAL |
| +060+ | 1.97 | Dave Dravecky | 144 | SDN |
| +062+ | 1.96 | Luis Leal | 124.7 | TOR |
| +071+ | 1.89 | Danny Darwin | 118 | TEX |
| +072+ | 1.88 | Andy Hawkins | 83 | SDN |
_