| Starter | Tm | Tier | Game |
|---|---|---|---|
| Atlee Hammaker | SFN | 6.21 | 198309110_HOU_SFN |
| Dave Stieb | TOR | 5.62 | 198309100_OAK_TOR |
| Rick Honeycutt | LAN | 4.94 | 198309110_ATL_LAN |
| Scott McGregor | BAL | 4.82 | 198309090_BAL_NYA |
| Steve Carlton | PHI | 4.25 | 198309090_PHI_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Len Barker | ATL | -3.37 | 198309110_ATL_LAN |
| Tommy John | ANA | -1.48 | 198309090_ANA_CHA |
| Bob Ojeda | BOS | -1.15 | 198309110_BOS_CLE |
| Charlie Puleo | CIN | -1.13 | 198309090_CIN_SDN |
| Jim Gott | TOR | -1.12 | 198309110_OAK_TOR |
Based on accumulated WAA for this season up to 1983-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.98 | Mario Soto | 243.3 | CIN |
| +004+ | 6.97 | John Denny | 208.7 | PHI |
| +006+ | 6.52 | Atlee Hammaker | 172.3 | SFN |
| +011+ | 5.84 | Dave Stieb | 247.7 | TOR |
| +014+ | 5.72 | Alejandro Pena | 157.3 | LAN |
| +018+ | 5.41 | Bob Welch | 179.7 | LAN |
| +021+ | 5.1 | Steve Rogers | 242.3 | WAS |
| +024+ | 4.95 | Rick Honeycutt | 203.3 | TOT |
| +026+ | 4.85 | Nolan Ryan | 174.7 | HOU |
| +028+ | 4.71 | Steve Carlton | 253.7 | PHI |
| +031+ | 4.42 | Scott McGregor | 230.3 | BAL |
| +041+ | 3.9 | Charlie Lea | 198 | WAS |
| +042+ | 3.82 | Jerry Reuss | 192.3 | LAN |
| +043+ | 3.8 | Mike Boddicker | 153.7 | BAL |
| +045+ | 3.68 | Matt Young | 189 | SEA |
| +049+ | 3.48 | Joe Price | 144.7 | CIN |
| +052+ | 3.4 | Jack Morris | 247.7 | DET |
| +056+ | 3.22 | Bryn Smith | 126.3 | WAS |
| +057+ | 3.21 | Frank Tanana | 134.7 | TEX |
| +061+ | 3.15 | Mark Thurmond | 98 | SDN |
| +064+ | 2.97 | Larry McWilliams | 209 | PIT |
| +068+ | 2.86 | Juan Berenguer | 142.3 | DET |
| +075+ | 2.73 | Dave Righetti | 215 | NYA |
| +082+ | 2.55 | Rick Rhoden | 211.3 | PIT |
| +084+ | 2.53 | Charlie Hough | 218.7 | TEX |
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