| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mario Soto | CIN | 9.57 | 198309180_HOU_CIN |
| John Denny | PHI | 8.28 | 198309170_SLN_PHI |
| Rick Honeycutt | LAN | 3.59 | 198309170_LAN_SFN |
| Steve Rogers | WAS | 3.45 | 198309170_WAS_PIT |
| Jack Morris | DET | 2.76 | 198309170_DET_BOS |
| 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 |
| Mike Witt | ANA | -2.78 | 198309180_TEX_ANA |
| Gaylord Perry | KCA | -1.57 | 198309160_OAK_KCA |
Based on accumulated WAA for this season up to 1983-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.1 | John Denny | 224.7 | PHI |
| +004+ | 7.53 | Mario Soto | 259.3 | CIN |
| +008+ | 6.53 | Alejandro Pena | 166.3 | LAN |
| +010+ | 6.5 | Atlee Hammaker | 172.3 | SFN |
| +019+ | 5.33 | Bob Welch | 188 | LAN |
| +020+ | 5.23 | Dave Stieb | 255 | TOR |
| +027+ | 4.58 | Steve Rogers | 255.7 | WAS |
| +028+ | 4.56 | Scott McGregor | 237.3 | BAL |
| +029+ | 4.49 | Rick Honeycutt | 207.7 | TOT |
| +030+ | 4.35 | Mike Boddicker | 162.7 | BAL |
| +033+ | 4.26 | Steve Carlton | 268.7 | PHI |
| +035+ | 4.19 | Nolan Ryan | 179.3 | HOU |
| +038+ | 4.15 | Jerry Reuss | 205.3 | LAN |
| +044+ | 3.88 | Jack Morris | 264.7 | DET |
| +045+ | 3.79 | Charlie Lea | 204 | WAS |
| +047+ | 3.74 | Matt Young | 194 | SEA |
| +054+ | 3.45 | Joe Price | 144.7 | CIN |
| +056+ | 3.44 | Mark Thurmond | 104 | SDN |
| +061+ | 3.28 | Jose DeLeon | 91 | PIT |
| +062+ | 3.25 | Rick Rhoden | 227.3 | PIT |
| +070+ | 2.84 | Larry McWilliams | 218 | PIT |
| +071+ | 2.83 | Dave Stewart | 118.3 | TOT |
| +074+ | 2.82 | Charlie Hough | 226.7 | TEX |
| +077+ | 2.76 | Craig McMurtry | 204 | ATL |
| +079+ | 2.72 | Bryn Smith | 130.3 | WAS |
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