| Starter | Tm | Tier | Game |
|---|---|---|---|
| John Denny | PHI | 8.25 | 198309120_NYN_PHI |
| Mario Soto | CIN | 7.71 | 198309130_ATL_CIN |
| Atlee Hammaker | SFN | 6.21 | 198309110_HOU_SFN |
| Steve Rogers | WAS | 5.03 | 198309120_WAS_CHN |
| Rick Honeycutt | LAN | 4.94 | 198309110_ATL_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | -5.4 | 198309130_CHA_MIN |
| Len Barker | ATL | -3.37 | 198309110_ATL_LAN |
| Mike Caldwell | MIL | -2.37 | 198309130_MIL_NYA |
| Bob Shirley | NYA | -1.93 | 198309130_MIL_NYA |
| Ed Whitson | SDN | -1.18 | 198309130_SFN_SDN |
Based on accumulated WAA for this season up to 1983-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.74 | Mario Soto | 252.3 | CIN |
| +003+ | 7.43 | John Denny | 216.7 | PHI |
| +008+ | 6.49 | Atlee Hammaker | 172.3 | SFN |
| +013+ | 5.79 | Dave Stieb | 247.7 | TOR |
| +015+ | 5.69 | Alejandro Pena | 157.3 | LAN |
| +019+ | 5.38 | Bob Welch | 179.7 | LAN |
| +025+ | 4.92 | Rick Honeycutt | 203.3 | TOT |
| +026+ | 4.81 | Nolan Ryan | 174.7 | HOU |
| +028+ | 4.66 | Steve Carlton | 253.7 | PHI |
| +029+ | 4.59 | Jerry Reuss | 201.3 | LAN |
| +030+ | 4.54 | Scott McGregor | 237.3 | BAL |
| +032+ | 4.5 | Steve Rogers | 247.7 | WAS |
| +043+ | 3.88 | Charlie Lea | 198 | WAS |
| +045+ | 3.75 | Jack Morris | 256.7 | DET |
| +046+ | 3.74 | Mike Boddicker | 153.7 | BAL |
| +049+ | 3.64 | Matt Young | 189 | SEA |
| +051+ | 3.45 | Joe Price | 144.7 | CIN |
| +053+ | 3.31 | Rick Rhoden | 220.3 | PIT |
| +058+ | 3.21 | Bryn Smith | 126.3 | WAS |
| +060+ | 3.13 | Mark Thurmond | 98 | SDN |
| +065+ | 2.93 | Larry McWilliams | 209 | PIT |
| +070+ | 2.83 | Juan Berenguer | 142.3 | DET |
| +078+ | 2.68 | Dave Righetti | 215 | NYA |
| +081+ | 2.59 | Frank Tanana | 139.7 | TEX |
| +086+ | 2.5 | Charlie Hough | 218.7 | TEX |
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