| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 9.05 | 198306120_TOR_ANA |
| Mario Soto | CIN | 6.14 | 198306120_LAN_CIN |
| Steve Rogers | WAS | 4.8 | 198306140_WAS_PIT |
| Fernando Valenzuela | LAN | 4.74 | 198306130_LAN_CIN |
| Nolan Ryan | HOU | 3.03 | 198306120_SDN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Albert Williams | MIN | -3.96 | 198306140_KCA_MIN |
| Matt Keough | OAK | -2 | 198306121_CHA_OAK |
| Mike Torrez | NYN | -1.42 | 198306130_CHN_NYN |
| Len Barker | CLE | -1.33 | 198306122_CLE_DET |
| Dick Ruthven | CHN | -1.1 | 198306140_CHN_NYN |
Based on accumulated WAA for this season up to 1983-06-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.84 | Rick Honeycutt | 100 | TEX |
| +003+ | 4.83 | Dave Stieb | 115.7 | TOR |
| +004+ | 4.38 | Atlee Hammaker | 89.3 | SFN |
| +006+ | 3.95 | Mario Soto | 104.3 | CIN |
| +007+ | 3.63 | Matt Young | 100.7 | SEA |
| +013+ | 2.82 | Steve Carlton | 111.7 | PHI |
| +014+ | 2.81 | John Denny | 85.7 | PHI |
| +017+ | 2.72 | Milt Wilcox | 113.7 | DET |
| +019+ | 2.69 | Tom Seaver | 92.7 | NYN |
| +027+ | 2.39 | Eric Show | 87 | SDN |
| +029+ | 2.31 | Dave Dravecky | 104.7 | SDN |
| +032+ | 2.21 | Steve Rogers | 110.3 | WAS |
| +040+ | 2.06 | Jerry Reuss | 95.3 | LAN |
| +042+ | 1.97 | Larry McWilliams | 98.7 | PIT |
| +044+ | 1.95 | Pascual Perez | 80.3 | ATL |
| +046+ | 1.85 | Andy Hawkins | 76.3 | SDN |
| +051+ | 1.78 | Fernando Valenzuela | 109 | LAN |
| +053+ | 1.76 | Joe Price | 77.7 | CIN |
| +055+ | 1.71 | Danny Darwin | 78.3 | TEX |
| +059+ | 1.68 | Juan Eichelberger | 75 | CLE |
| +060+ | 1.66 | Bob Knepper | 92.3 | HOU |
| +064+ | 1.57 | Storm Davis | 73.3 | BAL |
| +065+ | 1.56 | Ray Burris | 44.7 | WAS |
| +072+ | 1.46 | Bruce Berenyi | 88.3 | CIN |
| +073+ | 1.46 | Alejandro Pena | 43 | LAN |
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