| Starter | Tm | Tier | Game |
|---|---|---|---|
| John Denny | PHI | 10.28 | 198309221_PHI_WAS |
| Mario Soto | CIN | 9.42 | 198309230_SDN_CIN |
| Scott McGregor | BAL | 3.65 | 198309230_BAL_MIL |
| Steve Rogers | WAS | 3.49 | 198309222_PHI_WAS |
| Jack Morris | DET | 3.32 | 198309211_BAL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Eckersley | BOS | -9.52 | 198309230_BOS_DET |
| Mike Witt | ANA | -4.1 | 198309230_CHA_ANA |
| Len Barker | ATL | -3.02 | 198309230_LAN_ATL |
| Frank Pastore | CIN | -2.82 | 198309212_CIN_ATL |
| Jerry Koosman | CHA | -2.77 | 198309220_CHA_ANA |
Based on accumulated WAA for this season up to 1983-09-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.82 | John Denny | 230.7 | PHI |
| +004+ | 7.49 | Mario Soto | 265.3 | CIN |
| +009+ | 6.52 | Atlee Hammaker | 172.3 | SFN |
| +017+ | 5.47 | Bob Welch | 194 | LAN |
| +018+ | 5.43 | Dave Stieb | 263.7 | TOR |
| +019+ | 5.41 | Alejandro Pena | 167.7 | LAN |
| +022+ | 5.19 | Mike Boddicker | 171.7 | BAL |
| +025+ | 4.94 | Scott McGregor | 250.3 | BAL |
| +030+ | 4.59 | Steve Carlton | 276.7 | PHI |
| +031+ | 4.57 | Jerry Reuss | 214.3 | LAN |
| +032+ | 4.52 | Rick Honeycutt | 207.7 | TOT |
| +035+ | 4.36 | Nolan Ryan | 185.3 | HOU |
| +043+ | 3.92 | Steve Rogers | 262 | WAS |
| +044+ | 3.89 | Rick Rhoden | 236.3 | PIT |
| +049+ | 3.72 | Matt Young | 200 | SEA |
| +050+ | 3.69 | Larry McWilliams | 227 | PIT |
| +052+ | 3.54 | Bryn Smith | 139.3 | WAS |
| +054+ | 3.47 | Joe Price | 144.7 | CIN |
| +055+ | 3.45 | Dave Stewart | 127.3 | TOT |
| +056+ | 3.42 | Jack Morris | 272.7 | DET |
| +057+ | 3.38 | Craig McMurtry | 213 | ATL |
| +062+ | 3.33 | Richard Dotson | 229.7 | CHA |
| +068+ | 3.23 | Charlie Hough | 235.7 | TEX |
| +071+ | 3.13 | Mark Thurmond | 109.7 | SDN |
| +072+ | 3.09 | Charlie Lea | 207.7 | WAS |
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