| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 11.15 | 198306150_PHI_SLN |
| Steve Rogers | WAS | 4.8 | 198306140_WAS_PIT |
| Fernando Valenzuela | LAN | 4.74 | 198306130_LAN_CIN |
| Don Sutton | MIL | 2.42 | 198306130_BAL_MIL |
| Dave Dravecky | SDN | 1.89 | 198306130_SDN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | -3.99 | 198306150_KCA_MIN |
| Jim Bibby | PIT | -2.55 | 198306150_WAS_PIT |
| Mike LaCoss | HOU | -1.75 | 198306150_HOU_SFN |
| Rick Waits | MIL | -1.53 | 198306150_BAL_MIL |
| Mike Torrez | NYN | -1.42 | 198306130_CHN_NYN |
Based on accumulated WAA for this season up to 1983-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.87 | Rick Honeycutt | 100 | TEX |
| +003+ | 4.86 | Dave Stieb | 115.7 | TOR |
| +004+ | 4.41 | Atlee Hammaker | 89.3 | SFN |
| +006+ | 4 | Mario Soto | 104.3 | CIN |
| +007+ | 3.65 | Matt Young | 100.7 | SEA |
| +015+ | 2.85 | John Denny | 85.7 | PHI |
| +016+ | 2.75 | Milt Wilcox | 113.7 | DET |
| +017+ | 2.73 | Jerry Reuss | 102.7 | LAN |
| +018+ | 2.7 | Tom Seaver | 92.7 | NYN |
| +029+ | 2.41 | Eric Show | 87 | SDN |
| +031+ | 2.33 | Dave Dravecky | 104.7 | SDN |
| +033+ | 2.25 | Steve Rogers | 110.3 | WAS |
| +037+ | 2.09 | Steve Carlton | 119.3 | PHI |
| +039+ | 1.99 | Larry McWilliams | 98.7 | PIT |
| +041+ | 1.97 | Pascual Perez | 80.3 | ATL |
| +043+ | 1.95 | Frank Tanana | 34.7 | TEX |
| +047+ | 1.87 | Andy Hawkins | 76.3 | SDN |
| +050+ | 1.83 | Dave Rozema | 51.3 | DET |
| +051+ | 1.81 | Fernando Valenzuela | 109 | LAN |
| +054+ | 1.79 | Joe Price | 77.7 | CIN |
| +056+ | 1.74 | Danny Darwin | 78.3 | TEX |
| +058+ | 1.7 | Bob Knepper | 92.3 | HOU |
| +069+ | 1.5 | Bruce Berenyi | 88.3 | CIN |
| +071+ | 1.47 | Alejandro Pena | 43 | LAN |
| +073+ | 1.46 | Willie Hernandez | 34.7 | TOT |
_