| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 10.82 | 198306040_TOR_BAL |
| Steve Rogers | WAS | 6.75 | 198306040_WAS_SFN |
| Fernando Valenzuela | LAN | 5.92 | 198306020_NYN_LAN |
| Joaquin Andujar | SLN | 2.71 | 198306040_SLN_ATL |
| Don Sutton | MIL | 2.64 | 198306030_ANA_MIL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | -3.27 | 198306040_BOS_MIN |
| Jim Bibby | PIT | -2.03 | 198306040_PIT_CHN |
| Mike Torrez | NYN | -1.94 | 198306020_NYN_LAN |
| Dick Ruthven | CHN | -1.16 | 198306030_PIT_CHN |
| Tim Lollar | SDN | -1.11 | 198306030_PHI_SDN |
Based on accumulated WAA for this season up to 1983-06-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.58 | Atlee Hammaker | 75 | SFN |
| +003+ | 4.27 | Dave Stieb | 100.3 | TOR |
| +005+ | 3.82 | John Denny | 77 | PHI |
| +007+ | 3.62 | Rick Honeycutt | 83.3 | TEX |
| +008+ | 3.37 | Matt Young | 84 | SEA |
| +009+ | 3.35 | Mario Soto | 88.3 | CIN |
| +010+ | 3.19 | Steve Rogers | 99.3 | WAS |
| +011+ | 2.86 | Steve Carlton | 94.3 | PHI |
| +019+ | 2.38 | Joe Price | 63.7 | CIN |
| +026+ | 2.11 | Larry McWilliams | 83.7 | PIT |
| +029+ | 2.06 | Andy Hawkins | 65.3 | SDN |
| +030+ | 2 | Tom Seaver | 78.7 | NYN |
| +033+ | 1.96 | Dave Dravecky | 90 | SDN |
| +034+ | 1.94 | Eric Show | 71 | SDN |
| +038+ | 1.89 | Neal Heaton | 30.7 | CLE |
| +048+ | 1.74 | Milt Wilcox | 95.7 | DET |
| +050+ | 1.73 | Jerry Reuss | 83 | LAN |
| +051+ | 1.71 | Dave Rozema | 36 | DET |
| +055+ | 1.66 | Rick Rhoden | 83.3 | PIT |
| +060+ | 1.55 | Ron Guidry | 79.7 | NYA |
| +062+ | 1.51 | Dave LaPoint | 73.7 | SLN |
| +066+ | 1.38 | Mike Flanagan | 53 | BAL |
| +067+ | 1.37 | Craig McMurtry | 71.7 | ATL |
| +071+ | 1.34 | Pascual Perez | 66.7 | ATL |
| +072+ | 1.33 | Alejandro Pena | 42 | LAN |
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