| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nolan Ryan | HOU | 7.03 | 198308170_HOU_CIN |
| John Denny | PHI | 6.54 | 198308180_PHI_SDN |
| Steve Rogers | WAS | 4.14 | 198308170_WAS_SFN |
| Bob Welch | LAN | 2.48 | 198308170_NYN_LAN |
| Matt Young | SEA | 2 | 198308160_MIN_SEA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Doug Bird | BOS | -3.38 | 198308160_BOS_MIL |
| Frank Pastore | CIN | -3.34 | 198308170_HOU_CIN |
| Len Barker | CLE | -2.95 | 198308161_TOR_CLE |
| Doyle Alexander | TOR | -2.02 | 198308161_TOR_CLE |
| Mike Caldwell | MIL | -1.67 | 198308171_BOS_MIL |
Based on accumulated WAA for this season up to 1983-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 6.41 | John Denny | 182.7 | PHI |
| +005+ | 6.25 | Atlee Hammaker | 140.7 | SFN |
| +007+ | 6.01 | Mario Soto | 201.3 | CIN |
| +009+ | 5.75 | Rick Honeycutt | 174.7 | TEX |
| +012+ | 5.58 | Dave Stieb | 207.3 | TOR |
| +014+ | 5.22 | Steve Carlton | 216 | PHI |
| +016+ | 4.9 | Nolan Ryan | 144.7 | HOU |
| +020+ | 4.28 | Steve Rogers | 213.3 | WAS |
| +026+ | 3.97 | Bob Welch | 157.7 | LAN |
| +029+ | 3.8 | Joe Price | 140.3 | CIN |
| +030+ | 3.77 | Alejandro Pena | 120.7 | LAN |
| +035+ | 3.58 | Scott McGregor | 189 | BAL |
| +048+ | 3.12 | Matt Young | 161.7 | SEA |
| +052+ | 2.92 | Larry McWilliams | 181.3 | PIT |
| +053+ | 2.91 | Pascual Perez | 164.7 | ATL |
| +054+ | 2.9 | Mark Thurmond | 69 | SDN |
| +056+ | 2.82 | Frank Tanana | 104.3 | TEX |
| +057+ | 2.81 | Bryn Smith | 97.7 | WAS |
| +067+ | 2.58 | Dave Righetti | 181.3 | NYA |
| +068+ | 2.55 | Craig McMurtry | 165.3 | ATL |
| +072+ | 2.47 | Mike Madden | 53.7 | HOU |
| +075+ | 2.36 | Juan Berenguer | 113 | DET |
| +076+ | 2.32 | Charlie Lea | 160.7 | WAS |
| +081+ | 2.26 | Craig Lefferts | 77 | CHN |
| +082+ | 2.26 | Jerry Reuss | 157.3 | LAN |
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