| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Moore | SEA | -4.37 | 198407290_OAK_SEA |
| Dave Stewart | TEX | -3.18 | 198407310_TEX_BAL |
| Neal Heaton | CLE | -2.87 | 198407312_CLE_DET |
| Jim Clancy | TOR | -2.84 | 198407300_KCA_TOR |
| Mike Scott | HOU | -2.68 | 198407300_ATL_HOU |
Based on accumulated WAA for this season up to 1984-07-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.29 | Dave Stieb | 171 | TOR |
| +002+ | 5.16 | Alejandro Pena | 158.7 | LAN |
| +009+ | 4.54 | Joe Niekro | 160 | HOU |
| +014+ | 4.19 | Storm Davis | 149.7 | BAL |
| +017+ | 4.06 | Charlie Lea | 158 | WAS |
| +018+ | 4.02 | Phil Niekro | 154.7 | NYA |
| +019+ | 4 | John Candelaria | 128 | PIT |
| +022+ | 3.85 | Dave Dravecky | 113 | SDN |
| +027+ | 3.6 | John Denny | 71 | PHI |
| +030+ | 3.51 | Ricky Mahler | 121 | ATL |
| +031+ | 3.45 | Larry McWilliams | 141.3 | PIT |
| +033+ | 3.34 | Frank Viola | 160.3 | MIN |
| +036+ | 3.19 | Mike Boddicker | 169.7 | BAL |
| +038+ | 3.1 | Ray Burris | 128.3 | OAK |
| +042+ | 3.01 | Bruce Hurst | 152 | BOS |
| +041+ | 3.01 | Dan Petry | 153.7 | DET |
| +044+ | 2.97 | Jerry Koosman | 144 | PHI |
| +045+ | 2.94 | Frank Tanana | 159 | TEX |
| +047+ | 2.93 | Rick Honeycutt | 145 | LAN |
| +046+ | 2.93 | Bob Knepper | 158.3 | HOU |
| +049+ | 2.9 | Bryn Smith | 133 | WAS |
| +050+ | 2.87 | Dwight Gooden | 135 | NYN |
| +056+ | 2.7 | Rick Rhoden | 154.7 | PIT |
| +057+ | 2.63 | Joaquin Andujar | 174.3 | SLN |
| +061+ | 2.62 | Dan Schatzeder | 77.3 | WAS |
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