| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Boddicker | BAL | 5.89 | 198409140_BAL_MIL |
| Larry McWilliams | PIT | 4.27 | 198409130_PIT_NYN |
| John Denny | PHI | 3.74 | 198409130_SLN_PHI |
| Joe Niekro | HOU | 3.61 | 198409120_ATL_HOU |
| Dwight Gooden | NYN | 2.89 | 198409120_PIT_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Young | SEA | -7.04 | 198409120_TEX_SEA |
| Neal Heaton | CLE | -6.7 | 198409140_CLE_OAK |
| Jim Clancy | TOR | -3.34 | 198409140_TOR_DET |
| Chris Codiroli | OAK | -2.82 | 198409140_CLE_OAK |
| Jim Slaton | ANA | -2.37 | 198409130_CLE_ANA |
Based on accumulated WAA for this season up to 1984-09-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 6.91 | Dave Stieb | 237.3 | TOR |
| +009+ | 6.19 | Mike Boddicker | 237.3 | BAL |
| +016+ | 5.2 | Joe Niekro | 223.7 | HOU |
| +017+ | 5.17 | John Denny | 132.7 | PHI |
| +019+ | 5.14 | Dwight Gooden | 202 | NYN |
| +021+ | 5.1 | Charlie Lea | 220.3 | WAS |
| +022+ | 5.03 | Larry McWilliams | 209 | PIT |
| +026+ | 4.77 | Rick Rhoden | 215.7 | PIT |
| +028+ | 4.65 | Orel Hershiser | 160.7 | LAN |
| +032+ | 4.4 | John Candelaria | 175.3 | PIT |
| +033+ | 4.35 | Bert Blyleven | 210.7 | CLE |
| +036+ | 4.26 | Phil Niekro | 211.3 | NYA |
| +037+ | 4.24 | Ray Burris | 188.3 | OAK |
| +039+ | 4.13 | Storm Davis | 202.3 | BAL |
| +041+ | 4.08 | Fernando Valenzuela | 238 | LAN |
| +042+ | 4 | Dan Schatzeder | 123 | WAS |
| +044+ | 3.81 | Frank Viola | 225.7 | MIN |
| +045+ | 3.79 | Rick Honeycutt | 182 | LAN |
| +046+ | 3.78 | Ricky Mahler | 191.3 | ATL |
| +048+ | 3.77 | Jerry Koosman | 202.7 | PHI |
| +059+ | 3.41 | Bob Knepper | 210.7 | HOU |
| +061+ | 3.4 | John Butcher | 202.3 | MIN |
| +069+ | 3.14 | Mark Langston | 208.7 | SEA |
| +071+ | 3.11 | Nolan Ryan | 181.3 | HOU |
| +073+ | 3.08 | Frank Tanana | 224.3 | TEX |
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