| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 8.29 | 198305060_KCA_TOR |
| Fernando Valenzuela | LAN | 5.33 | 198305060_SLN_LAN |
| Dan Petry | DET | 4.98 | 198305070_ANA_DET |
| Mario Soto | CIN | 3.38 | 198305060_CIN_NYN |
| Joe Niekro | HOU | 2.09 | 198305070_HOU_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | SEA | -5.71 | 198305060_SEA_BOS |
| Brad Havens | MIN | -2.58 | 198305050_CLE_MIN |
| Mike Torrez | NYN | -1.85 | 198305070_CIN_NYN |
| Mike Scott | HOU | -1.21 | 198305060_HOU_ATL |
| John Montefusco | SDN | -1.08 | 198305070_CHN_SDN |
Based on accumulated WAA for this season up to 1983-05-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.66 | Dave Stieb | 57.7 | TOR |
| +005+ | 2.22 | Rick Honeycutt | 44 | TEX |
| +006+ | 2.21 | Atlee Hammaker | 36.3 | SFN |
| +007+ | 2.17 | Larry McWilliams | 44 | PIT |
| +008+ | 2.04 | Pascual Perez | 38 | ATL |
| +009+ | 1.94 | Steve Carlton | 56.3 | PHI |
| +010+ | 1.82 | John Denny | 48 | PHI |
| +013+ | 1.71 | Dan Petry | 46 | DET |
| +015+ | 1.65 | Bruce Berenyi | 48 | CIN |
| +016+ | 1.56 | Don Sutton | 39 | MIL |
| +020+ | 1.48 | Steve Rogers | 48.7 | WAS |
| +024+ | 1.47 | Joe Price | 41.3 | CIN |
| +026+ | 1.46 | Dave LaPoint | 33 | SLN |
| +032+ | 1.33 | Tom Seaver | 42.3 | NYN |
| +034+ | 1.29 | Eric Show | 38.7 | SDN |
| +038+ | 1.26 | Bob Knepper | 50 | HOU |
| XXXXX | 1.22 | Rick Rhoden | 47.3 | PIT |
| XXXXX | 1.17 | Mario Soto | 47.3 | CIN |
| XXXXX | 1.09 | Rick Camp | 41.3 | ATL |
| XXXXX | 1.08 | Charlie Lea | 30.3 | WAS |
| XXXXX | 1.01 | Chuck Rainey | 34.7 | CHN |
| XXXXX | 1.01 | Dennis Lamp | 31 | CHA |
| XXXXX | 1 | Rick Behenna | 15.3 | ATL |
| XXXXX | 0.95 | Bruce Hurst | 38.7 | BOS |
| XXXXX | 0.86 | Dave Dravecky | 43 | SDN |
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