| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 11.71 | 198305040_CIN_PHI |
| Nolan Ryan | HOU | 4.96 | 198305020_HOU_NYN |
| Dan Petry | DET | 4.32 | 198305030_DET_SEA |
| Steve Rogers | WAS | 3.96 | 198305040_ATL_WAS |
| Jerry Reuss | LAN | 3.64 | 198305020_PIT_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Moose Haas | MIL | -2.55 | 198305020_MIL_CHA |
| Mike Torrez | NYN | -2.24 | 198305020_HOU_NYN |
| Mike LaCoss | HOU | -2.04 | 198305040_HOU_NYN |
| Rich Gale | CIN | -1.47 | 198305040_CIN_PHI |
| Dick Ruthven | PHI | -1.32 | 198305020_CIN_PHI |
Based on accumulated WAA for this season up to 1983-05-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.03 | Dave Stieb | 49 | TOR |
| +004+ | 2.18 | Rick Honeycutt | 44 | TEX |
| +005+ | 2.17 | Atlee Hammaker | 36.3 | SFN |
| +006+ | 2.09 | Larry McWilliams | 44 | PIT |
| +008+ | 1.88 | Steve Carlton | 56.3 | PHI |
| +009+ | 1.87 | Dan Petry | 38.3 | DET |
| +010+ | 1.67 | Bruce Berenyi | 41 | CIN |
| +013+ | 1.58 | Pascual Perez | 31 | ATL |
| +018+ | 1.53 | John Denny | 40.7 | PHI |
| +017+ | 1.53 | Don Sutton | 39 | MIL |
| +019+ | 1.49 | Joe Price | 41.3 | CIN |
| +022+ | 1.44 | Steve Rogers | 48.7 | WAS |
| +026+ | 1.34 | Bob Knepper | 44.7 | HOU |
| +028+ | 1.27 | Eric Show | 38.7 | SDN |
| +029+ | 1.26 | Tom Seaver | 34.3 | NYN |
| XXXXX | 1.2 | Dave LaPoint | 26 | SLN |
| XXXXX | 1.13 | Rick Rhoden | 40.3 | PIT |
| XXXXX | 1.1 | John Tudor | 38.3 | BOS |
| XXXXX | 1.06 | Rick Camp | 41.3 | ATL |
| XXXXX | 1.02 | Geoff Zahn | 39.7 | ANA |
| XXXXX | 1 | Mario Soto | 38.3 | CIN |
| XXXXX | 0.99 | Rick Behenna | 15.3 | ATL |
| XXXXX | 0.99 | Dennis Lamp | 31 | CHA |
| XXXXX | 0.99 | Larry Gura | 46 | KCA |
| XXXXX | 0.91 | Bruce Hurst | 38.7 | BOS |
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