| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mario Soto | CIN | 10.24 | 198405170_CHN_CIN |
| Steve Carlton | PHI | 7.34 | 198405160_PHI_LAN |
| Joe Niekro | HOU | 6.22 | 198405180_HOU_CHN |
| John Candelaria | PIT | 3.98 | 198405160_HOU_PIT |
| Fernando Valenzuela | LAN | 2.71 | 198405160_PHI_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Eckersley | BOS | -3.47 | 198405160_BOS_CLE |
| Chuck Rainey | CHN | -2.34 | 198405180_HOU_CHN |
| Marty Bystrom | PHI | -1.88 | 198405180_PHI_SFN |
| Doyle Alexander | TOR | -1.53 | 198405160_TOR_MIN |
| Mike Witt | ANA | -1.01 | 198405160_ANA_BAL |
Based on accumulated WAA for this season up to 1984-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.47 | Phil Niekro | 60.7 | NYA |
| +002+ | 3.32 | Storm Davis | 69.3 | BAL |
| +003+ | 2.67 | Jack Morris | 75 | DET |
| +005+ | 2.54 | John Denny | 54 | PHI |
| +008+ | 2.31 | Rick Honeycutt | 57.3 | LAN |
| +011+ | 2.18 | Bob Knepper | 61 | HOU |
| +013+ | 2.17 | Tommy John | 69 | ANA |
| +014+ | 2.15 | Mike Boddicker | 63 | BAL |
| +015+ | 2.15 | Joaquin Andujar | 72 | SLN |
| +016+ | 2.12 | Ray Burris | 42.7 | OAK |
| +017+ | 2.09 | Nolan Ryan | 62.3 | HOU |
| +019+ | 2.03 | Dave Stieb | 62.7 | TOR |
| +024+ | 1.9 | Bruce Hurst | 59.7 | BOS |
| +030+ | 1.82 | Alejandro Pena | 59 | LAN |
| +031+ | 1.8 | Mario Soto | 70.3 | CIN |
| +035+ | 1.65 | Eric Show | 58 | SDN |
| +036+ | 1.64 | John Butcher | 40.7 | MIN |
| +037+ | 1.62 | Steve Carlton | 60.3 | PHI |
| +038+ | 1.61 | Scott Sanderson | 50 | CHN |
| +041+ | 1.57 | Andy McGaffigan | 25.3 | WAS |
| +045+ | 1.47 | Frank Viola | 63 | MIN |
| +047+ | 1.45 | John Candelaria | 51.3 | PIT |
| +048+ | 1.42 | Fernando Valenzuela | 66.7 | LAN |
| +055+ | 1.36 | Bill Laskey | 60 | SFN |
| +062+ | 1.29 | Chuck Porter | 34 | MIL |
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