| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mario Soto | CIN | 7.67 | 198406110_CIN_HOU |
| Charlie Lea | WAS | 5.96 | 198406120_WAS_CHN |
| Storm Davis | BAL | 4.93 | 198406120_BAL_MIL |
| Jack Morris | DET | 4.76 | 198406120_DET_TOR |
| Joe Niekro | HOU | 3.78 | 198406120_CIN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Martinez | BAL | -3.36 | 198406102_DET_BAL |
| Neal Heaton | CLE | -2.24 | 198406101_SEA_CLE |
| Chuck Rainey | CHN | -2.02 | 198406100_CHN_SLN |
| Mike Witt | ANA | -1.68 | 198406120_CHA_ANA |
| Mike Moore | SEA | -1.13 | 198406120_KCA_SEA |
Based on accumulated WAA for this season up to 1984-06-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.99 | Storm Davis | 102.7 | BAL |
| +002+ | 4.08 | Phil Niekro | 93.7 | NYA |
| +005+ | 3.49 | Bruce Hurst | 104.3 | BOS |
| +006+ | 3.37 | Rick Honeycutt | 99.3 | LAN |
| +007+ | 3.36 | Geoff Zahn | 77.7 | ANA |
| +008+ | 3.29 | Dave Stieb | 101.7 | TOR |
| +009+ | 3.2 | Alejandro Pena | 87.3 | LAN |
| +010+ | 3.19 | Nolan Ryan | 80.3 | HOU |
| +011+ | 3.18 | John Denny | 64 | PHI |
| +012+ | 3.14 | Jack Morris | 118.3 | DET |
| +015+ | 3.07 | Bob Knepper | 98.3 | HOU |
| +017+ | 2.94 | Fernando Valenzuela | 101.7 | LAN |
| +021+ | 2.8 | Steve Trout | 77.3 | CHN |
| +029+ | 2.49 | Mario Soto | 96.3 | CIN |
| +031+ | 2.43 | Ray Burris | 69 | OAK |
| +033+ | 2.38 | Joe Niekro | 97.7 | HOU |
| +035+ | 2.34 | Ricky Mahler | 56 | ATL |
| +037+ | 2.31 | Joaquin Andujar | 115 | SLN |
| +040+ | 2.27 | Charlie Lea | 100.7 | WAS |
| +044+ | 2.13 | Mike Boddicker | 98.7 | BAL |
| +043+ | 2.13 | Larry McWilliams | 77 | PIT |
| +053+ | 1.84 | Steve Carlton | 90 | PHI |
| +059+ | 1.79 | Dan Petry | 87.7 | DET |
| +062+ | 1.71 | Rick Rhoden | 89.3 | PIT |
| +063+ | 1.67 | Kevin Gross | 44 | PHI |
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