| Starter | Tm | Tier | Game |
|---|---|---|---|
| John Denny | PHI | 9.65 | 198309300_PIT_PHI |
| Mario Soto | CIN | 8.55 | 198309280_SFN_CIN |
| Bob Welch | LAN | 4.18 | 198309291_LAN_SDN |
| Mike Boddicker | BAL | 4.15 | 198309280_DET_BAL |
| Dave Stieb | TOR | 3.17 | 198309300_MIN_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Eckersley | BOS | -9.83 | 198309300_CLE_BOS |
| Frank Viola | MIN | -7.94 | 198309300_MIN_TOR |
| Mike Witt | ANA | -2.89 | 198309280_TOR_ANA |
| Charlie Puleo | CIN | -1.85 | 198309300_CIN_HOU |
| Rick Sutcliffe | CLE | -1.48 | 198309290_CLE_MIL |
Based on accumulated WAA for this season up to 1983-09-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.4 | John Denny | 244.7 | PHI |
| +006+ | 7.6 | Mario Soto | 274.3 | CIN |
| +011+ | 6.52 | Atlee Hammaker | 172.3 | SFN |
| +018+ | 5.6 | Bob Welch | 204.3 | LAN |
| +021+ | 5.43 | Dave Stieb | 278.3 | TOR |
| +027+ | 4.74 | Steve Carlton | 283.7 | PHI |
| +028+ | 4.73 | Bryn Smith | 155.3 | WAS |
| +030+ | 4.59 | Jerry Reuss | 223.7 | LAN |
| +031+ | 4.51 | Alejandro Pena | 178 | LAN |
| +037+ | 4.27 | Craig McMurtry | 225.3 | ATL |
| +039+ | 4.2 | Mike Boddicker | 175 | BAL |
| +038+ | 4.2 | Scott McGregor | 254.3 | BAL |
| +041+ | 4.17 | Rick Rhoden | 244.3 | PIT |
| +042+ | 4.03 | Charlie Hough | 245 | TEX |
| +046+ | 3.89 | Nolan Ryan | 197 | HOU |
| +049+ | 3.83 | Rick Honeycutt | 212.3 | TOT |
| +054+ | 3.75 | Jack Morris | 281.7 | DET |
| +055+ | 3.7 | Steve Rogers | 267 | WAS |
| +056+ | 3.67 | Dave Stewart | 135.3 | TOT |
| +058+ | 3.65 | Matt Young | 200 | SEA |
| +063+ | 3.43 | Joe Price | 144.7 | CIN |
| +065+ | 3.33 | Richard Dotson | 234.7 | CHA |
| +068+ | 3.22 | Larry McWilliams | 238.3 | PIT |
| +071+ | 3.15 | Mark Thurmond | 115.7 | SDN |
| +072+ | 3.03 | Charlie Lea | 214.3 | WAS |
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