| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fernando Valenzuela | LAN | 7.82 | 198304300_LAN_CHN |
| Don Sutton | MIL | 6.83 | 198305010_MIL_MIN |
| Dave Stieb | TOR | 6.78 | 198305010_CHA_TOR |
| Nolan Ryan | HOU | 4.96 | 198305020_HOU_NYN |
| Joaquin Andujar | SLN | 2.08 | 198304300_SFN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | SEA | -4.34 | 198305010_BAL_SEA |
| Moose Haas | MIL | -2.55 | 198305020_MIL_CHA |
| Frank Viola | MIN | -2.34 | 198305010_MIL_MIN |
| Mike Torrez | NYN | -2.24 | 198305020_HOU_NYN |
| Rich Gale | CIN | -1.75 | 198304300_CIN_WAS |
Based on accumulated WAA for this season up to 1983-05-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.04 | Dave Stieb | 49 | TOR |
| +002+ | 2.65 | Rick Honeycutt | 37.7 | TEX |
| +005+ | 2 | Steve Carlton | 48.3 | PHI |
| +006+ | 1.81 | Atlee Hammaker | 30 | SFN |
| +008+ | 1.64 | Bruce Berenyi | 41 | CIN |
| +009+ | 1.61 | Larry McWilliams | 36.7 | PIT |
| +011+ | 1.57 | Pascual Perez | 31 | ATL |
| +013+ | 1.53 | John Denny | 40.7 | PHI |
| +015+ | 1.51 | Don Sutton | 39 | MIL |
| +019+ | 1.46 | Dan Petry | 31.3 | DET |
| +018+ | 1.46 | Joe Price | 41.3 | CIN |
| +022+ | 1.32 | Bob Knepper | 44.7 | HOU |
| +024+ | 1.27 | Tom Seaver | 34.3 | NYN |
| XXXXX | 1.16 | Dave LaPoint | 26 | SLN |
| XXXXX | 1.1 | Rick Camp | 37.3 | ATL |
| XXXXX | 1.09 | John Tudor | 38.3 | BOS |
| XXXXX | 1.09 | Rick Rhoden | 40.3 | PIT |
| XXXXX | 0.99 | Larry Gura | 46 | KCA |
| XXXXX | 0.98 | Mario Soto | 38.3 | CIN |
| XXXXX | 0.95 | Geoff Zahn | 32 | ANA |
| XXXXX | 0.86 | Chris Codiroli | 33.7 | OAK |
| XXXXX | 0.84 | Steve Rogers | 39.7 | WAS |
| XXXXX | 0.83 | Chuck Rainey | 28.7 | CHN |
| XXXXX | 0.82 | Dave Dravecky | 36 | SDN |
| XXXXX | 0.82 | Alejandro Pena | 16.3 | LAN |
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