| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 11.88 | 198304290_HOU_PHI |
| Jerry Reuss | LAN | 7.26 | 198304270_LAN_SLN |
| Nolan Ryan | HOU | 6.66 | 198304270_HOU_WAS |
| Steve Rogers | WAS | 4.44 | 198304290_CIN_WAS |
| Milt Wilcox | DET | 2.82 | 198304270_DET_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Torrez | NYN | -5.49 | 198304270_NYN_CIN |
| Brad Havens | MIN | -3.72 | 198304290_MIL_MIN |
| Dick Ruthven | PHI | -3.3 | 198304270_PHI_ATL |
| Dennis Eckersley | BOS | -1.21 | 198304270_BOS_SEA |
| Jim Clancy | TOR | -1.13 | 198304270_TOR_TEX |
Based on accumulated WAA for this season up to 1983-04-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.62 | Rick Honeycutt | 37.7 | TEX |
| +003+ | 2.24 | Dave Stieb | 40 | TOR |
| +004+ | 2 | Steve Carlton | 48.3 | PHI |
| +005+ | 1.8 | Atlee Hammaker | 30 | SFN |
| +006+ | 1.72 | Bruce Berenyi | 35 | CIN |
| +008+ | 1.62 | Don Sutton | 31 | MIL |
| +009+ | 1.61 | Bob Knepper | 41.3 | HOU |
| +010+ | 1.58 | Pascual Perez | 31 | ATL |
| +012+ | 1.44 | Dan Petry | 31.3 | DET |
| +016+ | 1.42 | Mike Smithson | 31 | TEX |
| +017+ | 1.36 | Joe Price | 33.3 | CIN |
| XXXXX | 1.19 | Larry McWilliams | 29.7 | PIT |
| XXXXX | 1.16 | Dave LaPoint | 26 | SLN |
| XXXXX | 1.11 | Rick Camp | 37.3 | ATL |
| XXXXX | 1.07 | Tom Seaver | 27.3 | NYN |
| XXXXX | 1.02 | Charlie Lea | 18.3 | WAS |
| XXXXX | 0.98 | Fernando Valenzuela | 38.3 | LAN |
| XXXXX | 0.98 | Geoff Zahn | 32 | ANA |
| XXXXX | 0.97 | Mario Soto | 38.3 | CIN |
| XXXXX | 0.84 | Steve Rogers | 39.7 | WAS |
| XXXXX | 0.82 | Dave Dravecky | 36 | SDN |
| XXXXX | 0.77 | Alejandro Pena | 16.3 | LAN |
| XXXXX | 0.77 | Dennis Lamp | 24 | CHA |
| XXXXX | 0.75 | Danny Darwin | 25.7 | TEX |
| XXXXX | 0.73 | John Denny | 31.7 | PHI |
_