| Starter | Tm | Tier | Game |
|---|---|---|---|
| John Denny | PHI | 8.9 | 198309260_PHI_CHN |
| Mario Soto | CIN | 8.55 | 198309280_SFN_CIN |
| Mike Boddicker | BAL | 4.15 | 198309280_DET_BAL |
| Jerry Reuss | LAN | 3.18 | 198309280_LAN_SDN |
| Bryn Smith | WAS | 2.24 | 198309280_WAS_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Len Barker | ATL | -3.86 | 198309270_SFN_ATL |
| Larry Gura | KCA | -3.44 | 198309270_KCA_SEA |
| Frank Pastore | CIN | -3.15 | 198309260_LAN_CIN |
| Mike Witt | ANA | -2.89 | 198309280_TOR_ANA |
| Mike Caldwell | MIL | -2.8 | 198309270_CLE_MIL |
Based on accumulated WAA for this season up to 1983-09-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.1 | John Denny | 238.7 | PHI |
| +005+ | 7.62 | Mario Soto | 274.3 | CIN |
| +010+ | 6.53 | Atlee Hammaker | 172.3 | SFN |
| +021+ | 5.18 | Bob Welch | 197.3 | LAN |
| +027+ | 4.77 | Steve Carlton | 283.7 | PHI |
| +028+ | 4.75 | Bryn Smith | 155.3 | WAS |
| +029+ | 4.65 | Dave Stieb | 269.3 | TOR |
| +030+ | 4.6 | Alejandro Pena | 172 | LAN |
| +031+ | 4.58 | Jerry Reuss | 223.7 | LAN |
| +037+ | 4.27 | Rick Honeycutt | 212.3 | TOT |
| +038+ | 4.23 | Scott McGregor | 254.3 | BAL |
| +039+ | 4.22 | Mike Boddicker | 175 | BAL |
| +041+ | 4.07 | Nolan Ryan | 189.3 | HOU |
| +042+ | 4.06 | Charlie Hough | 245 | TEX |
| +044+ | 4.03 | Craig McMurtry | 220.3 | ATL |
| +048+ | 3.89 | Rick Rhoden | 236.3 | PIT |
| +050+ | 3.79 | Jack Morris | 281.7 | DET |
| +052+ | 3.73 | Steve Rogers | 267 | WAS |
| +054+ | 3.68 | Matt Young | 200 | SEA |
| +060+ | 3.44 | Joe Price | 144.7 | CIN |
| +062+ | 3.38 | Dave Stewart | 127.3 | TOT |
| +063+ | 3.35 | Richard Dotson | 234.7 | CHA |
| +067+ | 3.2 | Larry McWilliams | 233.3 | PIT |
| +068+ | 3.16 | Mark Thurmond | 115.7 | SDN |
| +072+ | 3.05 | Charlie Lea | 214.3 | WAS |
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