| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mario Soto | CIN | 10.24 | 198405170_CHN_CIN |
| Joe Niekro | HOU | 6.22 | 198405180_HOU_CHN |
| Jack Morris | DET | 3.03 | 198405190_OAK_DET |
| Phil Niekro | NYA | 2.83 | 198405190_ANA_NYA |
| Joaquin Andujar | SLN | 2.61 | 198405190_CIN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Gott | TOR | -3.88 | 198405190_CHA_TOR |
| Chuck Rainey | CHN | -2.34 | 198405180_HOU_CHN |
| Marty Bystrom | PHI | -1.88 | 198405180_PHI_SFN |
| Frank Viola | MIN | -1.45 | 198405190_BOS_MIN |
| Mike Brown | BOS | -1.33 | 198405180_BOS_MIN |
Based on accumulated WAA for this season up to 1984-05-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.43 | Phil Niekro | 68 | NYA |
| +002+ | 3.29 | Storm Davis | 69.3 | BAL |
| +003+ | 2.85 | Rick Honeycutt | 66.3 | LAN |
| +004+ | 2.83 | John Denny | 60 | PHI |
| +005+ | 2.71 | Joaquin Andujar | 81 | SLN |
| +007+ | 2.63 | Jack Morris | 82.3 | DET |
| +011+ | 2.24 | Frank Viola | 72 | MIN |
| +014+ | 2.15 | Tommy John | 69 | ANA |
| +015+ | 2.13 | Mike Boddicker | 63 | BAL |
| +017+ | 2.12 | Ray Burris | 42.7 | OAK |
| +018+ | 2.08 | Nolan Ryan | 62.3 | HOU |
| +019+ | 2.06 | Geoff Zahn | 60.7 | ANA |
| +022+ | 2.02 | Dave Stieb | 62.7 | TOR |
| +026+ | 1.89 | Bruce Hurst | 59.7 | BOS |
| +030+ | 1.86 | Bob Knepper | 67 | HOU |
| +031+ | 1.81 | Alejandro Pena | 59 | LAN |
| +034+ | 1.8 | Mario Soto | 70.3 | CIN |
| +036+ | 1.78 | Jaime Cocanower | 55.7 | MIL |
| +039+ | 1.63 | Eric Show | 58 | SDN |
| +040+ | 1.63 | John Butcher | 40.7 | MIN |
| +042+ | 1.6 | Scott Sanderson | 50 | CHN |
| +041+ | 1.6 | Steve Carlton | 60.3 | PHI |
| +043+ | 1.57 | Andy McGaffigan | 25.3 | WAS |
| +047+ | 1.47 | John Candelaria | 51.3 | PIT |
| +050+ | 1.41 | Fernando Valenzuela | 66.7 | LAN |
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