| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 9.62 | 198406040_TOR_DET |
| Steve Carlton | PHI | 8.56 | 198406040_PHI_SLN |
| Jack Morris | DET | 5.17 | 198406020_BAL_DET |
| Fernando Valenzuela | LAN | 4.71 | 198406040_CIN_LAN |
| Joe Niekro | HOU | 4.02 | 198406020_HOU_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Codiroli | OAK | -4.82 | 198406030_OAK_CHA |
| Mike Scott | HOU | -2.56 | 198406040_HOU_SDN |
| Mike Torrez | NYN | -2.46 | 198406030_SLN_NYN |
| Frank Pastore | CIN | -2.14 | 198406040_CIN_LAN |
| Dennis Eckersley | CHN | -2.08 | 198406020_CHN_PHI |
Based on accumulated WAA for this season up to 1984-06-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.35 | Storm Davis | 91.3 | BAL |
| +002+ | 3.95 | Phil Niekro | 85.7 | NYA |
| +004+ | 3.78 | Bruce Hurst | 86.7 | BOS |
| +005+ | 3.61 | Bob Knepper | 92.7 | HOU |
| +006+ | 3.45 | Jack Morris | 106.3 | DET |
| +007+ | 3.39 | Rick Honeycutt | 82.3 | LAN |
| +009+ | 3.18 | Nolan Ryan | 80.3 | HOU |
| +010+ | 3.13 | John Denny | 64 | PHI |
| +014+ | 2.84 | Dave Stieb | 92.7 | TOR |
| +015+ | 2.79 | Fernando Valenzuela | 92.7 | LAN |
| +016+ | 2.76 | Ray Burris | 63.7 | OAK |
| +020+ | 2.6 | Charlie Lea | 88.3 | WAS |
| +021+ | 2.5 | Mike Boddicker | 94.3 | BAL |
| +026+ | 2.32 | Richard Dotson | 90.3 | CHA |
| +028+ | 2.29 | Ricky Mahler | 51 | ATL |
| +030+ | 2.27 | Steve Trout | 72.3 | CHN |
| +033+ | 2.22 | Tommy John | 80 | ANA |
| +035+ | 2.17 | Steve Carlton | 82.3 | PHI |
| +036+ | 2.16 | John Candelaria | 65.3 | PIT |
| +037+ | 2.13 | Alejandro Pena | 72.3 | LAN |
| +043+ | 1.98 | Joaquin Andujar | 100 | SLN |
| +045+ | 1.95 | Mario Soto | 80.3 | CIN |
| +048+ | 1.9 | John Tudor | 79.7 | PIT |
| +050+ | 1.88 | Larry McWilliams | 62 | PIT |
| +052+ | 1.84 | Frank Viola | 87 | MIN |
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