| Starter | Tm | Tier | Game |
|---|---|---|---|
| Len Barker | ATL | -4.66 | 198309050_HOU_ATL |
| Larry Gura | KCA | -3.53 | 198309050_SEA_KCA |
| Jim Gott | TOR | -2.06 | 198309050_ANA_TOR |
| Tommy John | ANA | -2.03 | 198309040_MIL_ANA |
| Bob Ojeda | BOS | -1.82 | 198309050_BOS_BAL |
Based on accumulated WAA for this season up to 1983-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.33 | Mario Soto | 236.3 | CIN |
| +006+ | 6.43 | Rick Honeycutt | 194.7 | TOT |
| +007+ | 6.4 | John Denny | 199.7 | PHI |
| +009+ | 6.22 | Dave Stieb | 240.7 | TOR |
| +012+ | 6.19 | Atlee Hammaker | 159.7 | SFN |
| +016+ | 5.42 | Nolan Ryan | 160.3 | HOU |
| +021+ | 5.08 | Alejandro Pena | 150.3 | LAN |
| +023+ | 4.9 | Bob Welch | 171.7 | LAN |
| +024+ | 4.77 | Scott McGregor | 223 | BAL |
| +025+ | 4.71 | Steve Carlton | 246.3 | PHI |
| +033+ | 4.26 | Steve Rogers | 233.3 | WAS |
| +038+ | 3.81 | Jerry Reuss | 185.3 | LAN |
| +041+ | 3.54 | Matt Young | 181 | SEA |
| +042+ | 3.51 | Dave Righetti | 205.7 | NYA |
| +043+ | 3.47 | Bryn Smith | 120 | WAS |
| +044+ | 3.44 | Joe Price | 144.7 | CIN |
| +046+ | 3.4 | Frank Tanana | 125.3 | TEX |
| +050+ | 3.29 | Larry McWilliams | 203 | PIT |
| +053+ | 3.23 | Mark Thurmond | 92 | SDN |
| +057+ | 3.11 | Mike Boddicker | 146.3 | BAL |
| +060+ | 3.01 | Jack Morris | 239.3 | DET |
| +061+ | 2.95 | Charlie Lea | 183 | WAS |
| +067+ | 2.84 | Rick Rhoden | 205 | PIT |
| +074+ | 2.62 | Jose DeLeon | 76 | PIT |
| +079+ | 2.57 | Tom Candiotti | 35.7 | MIL |
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