| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 10.82 | 198305160_TOR_MIL |
| Don Sutton | MIL | 5.57 | 198305180_TOR_MIL |
| Mario Soto | CIN | 4.5 | 198305170_CIN_PIT |
| Fernando Valenzuela | LAN | 3.61 | 198305170_LAN_WAS |
| Dan Petry | DET | 2.02 | 198305160_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | SEA | -4.31 | 198305170_ANA_SEA |
| Brad Havens | MIN | -3.49 | 198305160_OAK_MIN |
| Mike Torrez | NYN | -2.5 | 198305180_SDN_NYN |
| Dick Ruthven | PHI | -1.49 | 198305180_SFN_PHI |
| Jay Howell | NYA | -1.43 | 198305170_NYA_DET |
Based on accumulated WAA for this season up to 1983-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.93 | Dave Stieb | 77.7 | TOR |
| +002+ | 3.32 | Rick Honeycutt | 61 | TEX |
| +005+ | 3.02 | Atlee Hammaker | 50.7 | SFN |
| +006+ | 2.89 | Steve Carlton | 74.3 | PHI |
| +007+ | 2.57 | John Denny | 59 | PHI |
| +008+ | 2.55 | Mario Soto | 65.3 | CIN |
| +009+ | 2.4 | Rick Rhoden | 64.3 | PIT |
| +012+ | 2.24 | Bruce Berenyi | 62 | CIN |
| +014+ | 2.21 | Pascual Perez | 50 | ATL |
| +016+ | 2.03 | Storm Davis | 44.3 | BAL |
| +017+ | 2 | Tom Seaver | 57.3 | NYN |
| +029+ | 1.74 | Larry McWilliams | 57 | PIT |
| +030+ | 1.71 | Steve Rogers | 65.7 | WAS |
| +031+ | 1.68 | Dave LaPoint | 48.3 | SLN |
| +042+ | 1.51 | Matt Young | 51 | SEA |
| +044+ | 1.48 | Ted Power | 28 | CIN |
| +045+ | 1.43 | Joe Price | 41.3 | CIN |
| +048+ | 1.41 | Dave Dravecky | 66.7 | SDN |
| +051+ | 1.32 | Mike Flanagan | 53 | BAL |
| +053+ | 1.31 | Andy Hawkins | 37.7 | SDN |
| XXXXX | 1.24 | John Tudor | 59 | BOS |
| XXXXX | 1.19 | Eric Show | 52.7 | SDN |
| XXXXX | 1.19 | Rick Camp | 57.3 | ATL |
| XXXXX | 1.18 | Don Sutton | 52.3 | MIL |
| XXXXX | 1.13 | Geoff Zahn | 60.3 | ANA |
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