| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mario Soto | CIN | 8.83 | 198308140_SDN_CIN |
| Nolan Ryan | HOU | 7.1 | 198308120_SFN_HOU |
| Dave Stieb | TOR | 6.67 | 198308140_MIL_TOR |
| John Denny | PHI | 5.79 | 198308140_SLN_PHI |
| Steve Rogers | WAS | 5.21 | 198308120_PIT_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Eckersley | BOS | -5.83 | 198308141_KCA_BOS |
| Frank Pastore | CIN | -2.53 | 198308120_SDN_CIN |
| Albert Williams | MIN | -2.44 | 198308130_MIN_OAK |
| Gaylord Perry | KCA | -1.9 | 198308131_KCA_BOS |
| Matt Keough | NYA | -1.72 | 198308120_NYA_DET |
Based on accumulated WAA for this season up to 1983-08-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.25 | Atlee Hammaker | 140.7 | SFN |
| +006+ | 6.04 | Mario Soto | 201.3 | CIN |
| +007+ | 5.96 | John Denny | 175.3 | PHI |
| +009+ | 5.77 | Rick Honeycutt | 174.7 | TEX |
| +011+ | 5.61 | Dave Stieb | 207.3 | TOR |
| +012+ | 5.36 | Nolan Ryan | 140.3 | HOU |
| +018+ | 4.41 | Steve Carlton | 207 | PHI |
| +025+ | 3.97 | Steve Rogers | 205.3 | WAS |
| +029+ | 3.81 | Joe Price | 140.3 | CIN |
| +030+ | 3.78 | Alejandro Pena | 120.7 | LAN |
| +034+ | 3.62 | Matt Young | 157.7 | SEA |
| +035+ | 3.6 | Scott McGregor | 189 | BAL |
| +039+ | 3.44 | Bob Welch | 151.7 | LAN |
| +049+ | 2.95 | Craig McMurtry | 160.3 | ATL |
| +050+ | 2.94 | Larry McWilliams | 181.3 | PIT |
| +057+ | 2.69 | Bryn Smith | 91.7 | WAS |
| +063+ | 2.61 | Pascual Perez | 156.7 | ATL |
| +066+ | 2.58 | Mark Thurmond | 63 | SDN |
| +067+ | 2.53 | Frank Tanana | 98.7 | TEX |
| +068+ | 2.47 | Mike Madden | 53.7 | HOU |
| +071+ | 2.35 | Juan Berenguer | 113 | DET |
| +078+ | 2.19 | Rick Rhoden | 182.3 | PIT |
| +081+ | 2.12 | Ray Burris | 118.3 | WAS |
| +084+ | 2.05 | Dave Righetti | 172.3 | NYA |
| +086+ | 2.02 | Craig Lefferts | 72 | CHN |
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