| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 8.49 | 198405150_TOR_MIN |
| Steve Carlton | PHI | 7.34 | 198405160_PHI_LAN |
| Nolan Ryan | HOU | 5.03 | 198405160_HOU_PIT |
| Bob Welch | LAN | 4.07 | 198405150_PHI_LAN |
| John Candelaria | PIT | 3.98 | 198405160_HOU_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lary Sorensen | OAK | -3.54 | 198405140_OAK_NYA |
| Dennis Eckersley | BOS | -3.47 | 198405160_BOS_CLE |
| Mike Scott | HOU | -2.31 | 198405150_HOU_PIT |
| Frank Pastore | CIN | -2.22 | 198405150_CHN_CIN |
| Neal Heaton | CLE | -1.82 | 198405150_BOS_CLE |
Based on accumulated WAA for this season up to 1984-05-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.47 | Phil Niekro | 60.7 | NYA |
| +002+ | 2.76 | Storm Davis | 60.3 | BAL |
| +004+ | 2.58 | Jack Morris | 75 | DET |
| +005+ | 2.54 | John Denny | 54 | PHI |
| +007+ | 2.33 | Rick Honeycutt | 57.3 | LAN |
| +009+ | 2.18 | Bob Knepper | 61 | HOU |
| +010+ | 2.15 | Joaquin Andujar | 72 | SLN |
| +011+ | 2.14 | Mike Boddicker | 63 | BAL |
| +015+ | 2.08 | Nolan Ryan | 62.3 | HOU |
| +017+ | 2.07 | Ray Burris | 42.7 | OAK |
| +018+ | 2.06 | Tommy John | 60.3 | ANA |
| +020+ | 2.02 | Dave Stieb | 62.7 | TOR |
| +023+ | 1.91 | Joe Niekro | 58 | HOU |
| +024+ | 1.91 | Bruce Hurst | 52.7 | BOS |
| +030+ | 1.65 | Eric Show | 58 | SDN |
| +031+ | 1.64 | Mario Soto | 61.3 | CIN |
| +032+ | 1.63 | John Butcher | 40.7 | MIN |
| +033+ | 1.61 | Steve Carlton | 60.3 | PHI |
| +034+ | 1.6 | Scott Sanderson | 50 | CHN |
| +044+ | 1.47 | Frank Viola | 63 | MIN |
| +048+ | 1.45 | John Candelaria | 51.3 | PIT |
| +050+ | 1.44 | Fernando Valenzuela | 66.7 | LAN |
| +053+ | 1.38 | Alejandro Pena | 51 | LAN |
| +054+ | 1.37 | Andy McGaffigan | 23 | WAS |
| +055+ | 1.35 | Bill Laskey | 60 | SFN |
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