| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mario Soto | CIN | 8.55 | 198309280_SFN_CIN |
| Bob Welch | LAN | 4.18 | 198309291_LAN_SDN |
| Mike Boddicker | BAL | 4.15 | 198309280_DET_BAL |
| Steve Carlton | PHI | 2.93 | 198309270_PHI_CHN |
| Nolan Ryan | HOU | 2.45 | 198309290_ATL_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Len Barker | ATL | -3.86 | 198309270_SFN_ATL |
| Larry Gura | KCA | -3.44 | 198309270_KCA_SEA |
| Mike Witt | ANA | -2.89 | 198309280_TOR_ANA |
| Mike Caldwell | MIL | -2.8 | 198309270_CLE_MIL |
| Matt Keough | NYA | -2.19 | 198309270_BOS_NYA |
Based on accumulated WAA for this season up to 1983-09-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.09 | John Denny | 238.7 | PHI |
| +005+ | 7.6 | Mario Soto | 274.3 | CIN |
| +009+ | 6.52 | Atlee Hammaker | 172.3 | SFN |
| +018+ | 5.61 | Bob Welch | 204.3 | LAN |
| +025+ | 4.75 | Steve Carlton | 283.7 | PHI |
| +028+ | 4.74 | Bryn Smith | 155.3 | WAS |
| +029+ | 4.63 | Dave Stieb | 269.3 | TOR |
| +030+ | 4.6 | Jerry Reuss | 223.7 | LAN |
| +031+ | 4.52 | Alejandro Pena | 178 | LAN |
| +036+ | 4.26 | Craig McMurtry | 225.3 | ATL |
| +038+ | 4.22 | Scott McGregor | 254.3 | BAL |
| +039+ | 4.21 | Mike Boddicker | 175 | BAL |
| +041+ | 4.17 | Rick Rhoden | 244.3 | PIT |
| +042+ | 4.06 | Charlie Hough | 245 | TEX |
| +046+ | 3.9 | Nolan Ryan | 197 | HOU |
| +048+ | 3.85 | Rick Honeycutt | 212.3 | TOT |
| +050+ | 3.77 | Jack Morris | 281.7 | DET |
| +052+ | 3.72 | Steve Rogers | 267 | WAS |
| +054+ | 3.68 | Dave Stewart | 135.3 | TOT |
| +055+ | 3.66 | Matt Young | 200 | SEA |
| +060+ | 3.43 | Joe Price | 144.7 | CIN |
| +063+ | 3.35 | Richard Dotson | 234.7 | CHA |
| +069+ | 3.19 | Larry McWilliams | 233.3 | PIT |
| +070+ | 3.15 | Mark Thurmond | 115.7 | SDN |
| +072+ | 3.04 | Charlie Lea | 214.3 | WAS |
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