| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 8.42 | 198409050_TOR_NYA |
| Larry McWilliams | PIT | 4.87 | 198409030_PIT_WAS |
| John Denny | PHI | 3.83 | 198409030_CHN_PHI |
| Mike Boddicker | BAL | 3.77 | 198409040_BAL_DET |
| Dave Dravecky | SDN | 2.66 | 198409050_CIN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Codiroli | OAK | -3.55 | 198409030_OAK_CHA |
| Steve Comer | CLE | -2.83 | 198409030_ANA_CLE |
| Jim Clancy | TOR | -2.6 | 198409040_TOR_NYA |
| Craig McMurtry | ATL | -2.27 | 198409030_HOU_ATL |
| Jim Slaton | ANA | -1.89 | 198409030_ANA_CLE |
Based on accumulated WAA for this season up to 1984-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.39 | Dave Stieb | 231.3 | TOR |
| +008+ | 6.24 | Alejandro Pena | 197 | LAN |
| +010+ | 6.12 | Larry McWilliams | 197.7 | PIT |
| +015+ | 5.25 | Mike Boddicker | 220.3 | BAL |
| +016+ | 5.04 | John Candelaria | 173.3 | PIT |
| +020+ | 4.8 | Joe Niekro | 210.3 | HOU |
| +021+ | 4.77 | Charlie Lea | 212.3 | WAS |
| +026+ | 4.64 | Orel Hershiser | 152.7 | LAN |
| +027+ | 4.61 | John Denny | 119.7 | PHI |
| +032+ | 4 | Storm Davis | 194.3 | BAL |
| +033+ | 3.98 | Dan Schatzeder | 123 | WAS |
| +037+ | 3.91 | Phil Niekro | 204 | NYA |
| +040+ | 3.78 | Rick Honeycutt | 181 | LAN |
| +045+ | 3.57 | Ricky Mahler | 174.3 | ATL |
| +047+ | 3.56 | Rick Rhoden | 199.7 | PIT |
| +046+ | 3.56 | Jerry Koosman | 196.3 | PHI |
| +050+ | 3.48 | Dwight Gooden | 184 | NYN |
| +052+ | 3.46 | Frank Tanana | 210.7 | TEX |
| +053+ | 3.43 | Joaquin Andujar | 224 | SLN |
| +055+ | 3.4 | Ray Burris | 179.7 | OAK |
| +056+ | 3.38 | Bob Knepper | 196.7 | HOU |
| +058+ | 3.35 | Fernando Valenzuela | 219 | LAN |
| +068+ | 3.02 | Frank Viola | 208 | MIN |
| +069+ | 2.95 | Nolan Ryan | 175.3 | HOU |
| +071+ | 2.92 | Bert Blyleven | 192.7 | CLE |
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