| Starter | Tm | Tier | Game |
|---|---|---|---|
| John Denny | PHI | 8.25 | 198309120_NYN_PHI |
| Atlee Hammaker | SFN | 6.21 | 198309110_HOU_SFN |
| Dave Stieb | TOR | 5.62 | 198309100_OAK_TOR |
| Steve Rogers | WAS | 5.03 | 198309120_WAS_CHN |
| Rick Honeycutt | LAN | 4.94 | 198309110_ATL_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Len Barker | ATL | -3.37 | 198309110_ATL_LAN |
| Bob Ojeda | BOS | -1.15 | 198309110_BOS_CLE |
| Jim Gott | TOR | -1.12 | 198309110_OAK_TOR |
| Dick Ruthven | CHN | -1.05 | 198309120_WAS_CHN |
| Eric Rasmussen | KCA | -0.86 | 198309100_KCA_MIN |
Based on accumulated WAA for this season up to 1983-09-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.46 | John Denny | 216.7 | PHI |
| +004+ | 6.96 | Mario Soto | 243.3 | CIN |
| +006+ | 6.51 | Atlee Hammaker | 172.3 | SFN |
| +012+ | 5.82 | Dave Stieb | 247.7 | TOR |
| +014+ | 5.71 | Alejandro Pena | 157.3 | LAN |
| +018+ | 5.4 | Bob Welch | 179.7 | LAN |
| +023+ | 4.93 | Rick Honeycutt | 203.3 | TOT |
| +025+ | 4.83 | Nolan Ryan | 174.7 | HOU |
| +027+ | 4.69 | Steve Carlton | 253.7 | PHI |
| +029+ | 4.53 | Steve Rogers | 247.7 | WAS |
| +031+ | 4.41 | Scott McGregor | 230.3 | BAL |
| +041+ | 3.9 | Charlie Lea | 198 | WAS |
| +043+ | 3.8 | Jerry Reuss | 192.3 | LAN |
| +044+ | 3.79 | Mike Boddicker | 153.7 | BAL |
| +047+ | 3.66 | Matt Young | 189 | SEA |
| +050+ | 3.47 | Joe Price | 144.7 | CIN |
| +052+ | 3.38 | Jack Morris | 247.7 | DET |
| +056+ | 3.22 | Bryn Smith | 126.3 | WAS |
| +057+ | 3.2 | Frank Tanana | 134.7 | TEX |
| +059+ | 3.14 | Mark Thurmond | 98 | SDN |
| +066+ | 2.95 | Larry McWilliams | 209 | PIT |
| +068+ | 2.85 | Juan Berenguer | 142.3 | DET |
| +076+ | 2.71 | Dave Righetti | 215 | NYA |
| +083+ | 2.53 | Rick Rhoden | 211.3 | PIT |
| +086+ | 2.51 | Jose DeLeon | 82 | PIT |
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