| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 7.26 | 198306291_WAS_PHI |
| Steve Rogers | WAS | 4.47 | 198306291_WAS_PHI |
| Don Sutton | MIL | 3.41 | 198306290_DET_MIL |
| Fernando Valenzuela | LAN | 3.33 | 198306290_LAN_SDN |
| Joe Niekro | HOU | 2.14 | 198306290_HOU_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Bibby | PIT | -4.11 | 198306290_PIT_CHN |
| Frank Pastore | CIN | -3.19 | 198307010_CIN_ATL |
| Frank Viola | MIN | -2.84 | 198307010_CHA_MIN |
| Dennis Martinez | BAL | -2.71 | 198306300_BAL_NYA |
| Len Barker | CLE | -1.43 | 198306291_BOS_CLE |
Based on accumulated WAA for this season up to 1983-07-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.11 | Rick Honeycutt | 122.7 | TEX |
| +003+ | 5.71 | Atlee Hammaker | 106.7 | SFN |
| +004+ | 5.19 | Mario Soto | 129.3 | CIN |
| +005+ | 4.65 | Dave Stieb | 140.3 | TOR |
| +007+ | 4.41 | John Denny | 111 | PHI |
| +011+ | 3.56 | Jerry Reuss | 118.7 | LAN |
| +013+ | 3.43 | Pascual Perez | 102.3 | ATL |
| +019+ | 3.1 | Matt Young | 116.7 | SEA |
| +025+ | 2.93 | Steve Rogers | 136.3 | WAS |
| +035+ | 2.6 | Danny Darwin | 109 | TEX |
| +036+ | 2.57 | Nolan Ryan | 65.3 | HOU |
| +037+ | 2.48 | Ray Burris | 75 | WAS |
| +039+ | 2.46 | Ron Guidry | 112.7 | NYA |
| +040+ | 2.46 | Bob Welch | 96.7 | LAN |
| +041+ | 2.38 | Frank Tanana | 53.7 | TEX |
| +047+ | 2.26 | Craig McMurtry | 103.3 | ATL |
| +055+ | 2.17 | Alejandro Pena | 69.7 | LAN |
| +056+ | 2.14 | Dave Rozema | 63.3 | DET |
| +057+ | 2.14 | Eric Show | 104.3 | SDN |
| +063+ | 2.02 | Pete Falcone | 68.3 | ATL |
| +064+ | 2 | Charlie Lea | 98.7 | WAS |
| +065+ | 1.99 | Bob Knepper | 109 | HOU |
| +068+ | 1.95 | Dave Dravecky | 125.3 | SDN |
| +070+ | 1.88 | Andy Hawkins | 83 | SDN |
| +073+ | 1.85 | Larry McWilliams | 120.7 | PIT |
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