| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 8.57 | 198405300_TOR_CHA |
| Steve Carlton | PHI | 8.5 | 198405300_SFN_PHI |
| Nolan Ryan | HOU | 8.23 | 198406010_HOU_LAN |
| Charlie Lea | WAS | 3.63 | 198406010_WAS_PIT |
| Mike Boddicker | BAL | 1.86 | 198405300_BAL_SEA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lary Sorensen | OAK | -3.19 | 198406010_OAK_CHA |
| Mike Scott | HOU | -3.12 | 198405300_SLN_HOU |
| Chuck Rainey | CHN | -2.91 | 198405310_CHN_PHI |
| Frank Pastore | CIN | -2.33 | 198405310_ATL_CIN |
| Mike Witt | ANA | -2.23 | 198406010_ANA_CLE |
Based on accumulated WAA for this season up to 1984-06-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.97 | Jack Morris | 100.3 | DET |
| +003+ | 3.75 | Bruce Hurst | 86.7 | BOS |
| +005+ | 3.56 | Phil Niekro | 78.7 | NYA |
| +004+ | 3.56 | Storm Davis | 82.3 | BAL |
| +006+ | 3.36 | Rick Honeycutt | 82.3 | LAN |
| +008+ | 3.22 | Bob Knepper | 83.7 | HOU |
| +009+ | 3.14 | Nolan Ryan | 80.3 | HOU |
| +010+ | 3.13 | John Denny | 64 | PHI |
| +013+ | 2.91 | Dave Stieb | 86 | TOR |
| +014+ | 2.72 | Fernando Valenzuela | 84.7 | LAN |
| +015+ | 2.69 | Ray Burris | 58.3 | OAK |
| +020+ | 2.54 | Charlie Lea | 88.3 | WAS |
| +021+ | 2.46 | Richard Dotson | 82.3 | CHA |
| +024+ | 2.28 | Steve Carlton | 76.3 | PHI |
| +026+ | 2.22 | Steve Trout | 67.3 | CHN |
| +031+ | 2.14 | Mike Boddicker | 85.3 | BAL |
| +030+ | 2.14 | John Candelaria | 65.3 | PIT |
| +032+ | 2.1 | Alejandro Pena | 72.3 | LAN |
| +033+ | 2.09 | Tommy John | 74 | ANA |
| +039+ | 1.97 | Joaquin Andujar | 100 | SLN |
| +040+ | 1.92 | Mario Soto | 80.3 | CIN |
| +041+ | 1.9 | Frank Viola | 78 | MIN |
| +043+ | 1.86 | Larry McWilliams | 62 | PIT |
| +051+ | 1.75 | Ricky Mahler | 42.3 | ATL |
| +052+ | 1.72 | Chuck Porter | 46.7 | MIL |
_