| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 7.16 | 198409150_TOR_DET |
| Charlie Lea | WAS | 4.17 | 198409160_WAS_PHI |
| Joe Niekro | HOU | 4.08 | 198409170_SFN_HOU |
| Dwight Gooden | NYN | 3.88 | 198409170_NYN_PHI |
| Orel Hershiser | LAN | 3.38 | 198409150_LAN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Young | SEA | -6.17 | 198409170_CLE_SEA |
| Dave Stewart | TEX | -4.39 | 198409160_MIN_TEX |
| Steve Comer | CLE | -3.08 | 198409150_CLE_OAK |
| Bill Krueger | OAK | -1.71 | 198409170_TEX_OAK |
| Bruce Berenyi | NYN | -1.29 | 198409160_NYN_CHN |
Based on accumulated WAA for this season up to 1984-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.27 | Dave Stieb | 245.3 | TOR |
| +009+ | 6.27 | Mike Boddicker | 237.3 | BAL |
| +015+ | 5.73 | Dwight Gooden | 210.3 | NYN |
| +019+ | 5.19 | Joe Niekro | 230.3 | HOU |
| +020+ | 5.19 | John Denny | 132.7 | PHI |
| +021+ | 5.14 | Larry McWilliams | 209.7 | PIT |
| +023+ | 5.04 | Orel Hershiser | 169.7 | LAN |
| +025+ | 4.86 | Charlie Lea | 224.3 | WAS |
| +027+ | 4.74 | Bert Blyleven | 219.7 | CLE |
| +030+ | 4.6 | Rick Rhoden | 222.7 | PIT |
| +031+ | 4.53 | Frank Viola | 233.3 | MIN |
| +038+ | 4.19 | Storm Davis | 209.3 | BAL |
| +039+ | 4.18 | Ray Burris | 196.7 | OAK |
| +040+ | 4.1 | Fernando Valenzuela | 245 | LAN |
| +042+ | 4.03 | Dan Schatzeder | 123 | WAS |
| +044+ | 3.95 | John Candelaria | 179.3 | PIT |
| +047+ | 3.81 | Rick Honeycutt | 182 | LAN |
| +049+ | 3.58 | Jerry Koosman | 209.7 | PHI |
| +055+ | 3.46 | Buddy Black | 240.7 | KCA |
| +058+ | 3.39 | Phil Niekro | 215.3 | NYA |
| +062+ | 3.35 | Ricky Mahler | 198 | ATL |
| +064+ | 3.3 | Doyle Alexander | 236 | TOR |
| +069+ | 3.22 | Nolan Ryan | 182.3 | HOU |
| +071+ | 3.18 | Mark Langston | 208.7 | SEA |
| +073+ | 3.14 | Frank Tanana | 224.3 | TEX |
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