| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mario Soto | CIN | 10.1 | 198405220_CIN_PIT |
| Steve Carlton | PHI | 7.83 | 198405230_LAN_PHI |
| Nolan Ryan | HOU | 6.48 | 198405210_HOU_SLN |
| John Candelaria | PIT | 4.62 | 198405230_CIN_PIT |
| Mike Boddicker | BAL | 3.25 | 198405220_BAL_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Eckersley | BOS | -2.97 | 198405210_CLE_BOS |
| Doyle Alexander | TOR | -1.49 | 198405210_MIN_TOR |
| Mike Witt | ANA | -1.11 | 198405220_DET_ANA |
| Bob Forsch | SLN | -0.92 | 198405210_HOU_SLN |
| Mike Warren | OAK | -0.92 | 198405230_BAL_OAK |
Based on accumulated WAA for this season up to 1984-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.4 | Phil Niekro | 68 | NYA |
| +002+ | 3.24 | Storm Davis | 69.3 | BAL |
| +005+ | 2.8 | Rick Honeycutt | 66.3 | LAN |
| +006+ | 2.77 | John Denny | 60 | PHI |
| +008+ | 2.57 | Jack Morris | 82.3 | DET |
| +009+ | 2.53 | Bob Knepper | 76 | HOU |
| +012+ | 2.42 | Nolan Ryan | 67.3 | HOU |
| +013+ | 2.38 | Bruce Hurst | 68.7 | BOS |
| +017+ | 2.16 | Joaquin Andujar | 86 | SLN |
| +018+ | 2.11 | Fernando Valenzuela | 75.7 | LAN |
| +020+ | 2.08 | Tommy John | 74 | ANA |
| +022+ | 2.03 | Ray Burris | 49.3 | OAK |
| +023+ | 2.01 | Steve Carlton | 68.3 | PHI |
| +024+ | 2 | Geoff Zahn | 60.7 | ANA |
| +029+ | 1.92 | Dave Stieb | 69.7 | TOR |
| +031+ | 1.89 | Mario Soto | 79.3 | CIN |
| +033+ | 1.88 | Frank Viola | 78 | MIN |
| +035+ | 1.85 | Richard Dotson | 73.3 | CHA |
| +037+ | 1.77 | Alejandro Pena | 59 | LAN |
| +039+ | 1.75 | Jaime Cocanower | 55.7 | MIL |
| +043+ | 1.67 | John Candelaria | 59.3 | PIT |
| +044+ | 1.67 | Frank Tanana | 65.7 | TEX |
| +047+ | 1.62 | Bret Saberhagen | 46.3 | KCA |
| +048+ | 1.59 | Eric Show | 66 | SDN |
| +051+ | 1.55 | Scott Sanderson | 50 | CHN |
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