| Starter | Tm | Tier | Game |
|---|---|---|---|
| John Denny | PHI | 8.28 | 198309170_SLN_PHI |
| Alejandro Pena | LAN | 5.13 | 198309150_LAN_HOU |
| Dave Stieb | TOR | 4.75 | 198309150_TOR_MIN |
| Nolan Ryan | HOU | 3.9 | 198309150_LAN_HOU |
| Steve Rogers | WAS | 3.45 | 198309170_WAS_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Eckersley | BOS | -10.56 | 198309170_DET_BOS |
| Jerry Koosman | CHA | -3.59 | 198309170_SEA_CHA |
| Len Barker | ATL | -3.37 | 198309170_SDN_ATL |
| Gaylord Perry | KCA | -1.57 | 198309160_OAK_KCA |
| Bob Forsch | SLN | -1.3 | 198309150_SLN_NYN |
Based on accumulated WAA for this season up to 1983-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.06 | John Denny | 224.7 | PHI |
| +003+ | 7.7 | Mario Soto | 252.3 | CIN |
| +008+ | 6.5 | Alejandro Pena | 166.3 | LAN |
| +009+ | 6.48 | Atlee Hammaker | 172.3 | SFN |
| +019+ | 5.29 | Bob Welch | 188 | LAN |
| +020+ | 5.18 | Dave Stieb | 255 | TOR |
| +027+ | 4.59 | Jerry Reuss | 201.3 | LAN |
| +028+ | 4.54 | Steve Rogers | 255.7 | WAS |
| +029+ | 4.52 | Scott McGregor | 237.3 | BAL |
| +030+ | 4.46 | Rick Honeycutt | 207.7 | TOT |
| +032+ | 4.32 | Mike Boddicker | 162.7 | BAL |
| +037+ | 4.22 | Steve Carlton | 261.7 | PHI |
| +038+ | 4.16 | Nolan Ryan | 179.3 | HOU |
| +045+ | 3.83 | Jack Morris | 264.7 | DET |
| +046+ | 3.75 | Charlie Lea | 204 | WAS |
| +048+ | 3.69 | Matt Young | 194 | SEA |
| +054+ | 3.42 | Joe Price | 144.7 | CIN |
| +059+ | 3.27 | Jose DeLeon | 91 | PIT |
| +060+ | 3.22 | Rick Rhoden | 220.3 | PIT |
| +062+ | 3.12 | Mark Thurmond | 98 | SDN |
| +071+ | 2.81 | Dave Stewart | 118.3 | TOT |
| +072+ | 2.8 | Larry McWilliams | 218 | PIT |
| +077+ | 2.78 | Charlie Hough | 226.7 | TEX |
| +076+ | 2.78 | Craig McMurtry | 204 | ATL |
| +081+ | 2.7 | Bryn Smith | 130.3 | WAS |
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