| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 9.23 | 198406130_DET_TOR |
| Steve Carlton | PHI | 6.01 | 198406140_PHI_CHN |
| Fernando Valenzuela | LAN | 4.33 | 198406140_LAN_HOU |
| Phil Niekro | NYA | 4.04 | 198406130_NYA_BOS |
| Geoff Zahn | ANA | 3.29 | 198406150_CLE_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Codiroli | OAK | -4.42 | 198406140_CLE_OAK |
| Dennis Martinez | BAL | -3.43 | 198406140_BAL_MIL |
| Mike Scott | HOU | -2.71 | 198406140_LAN_HOU |
| Neal Heaton | CLE | -1.7 | 198406150_CLE_ANA |
| Matt Young | SEA | -1.53 | 198406130_KCA_SEA |
Based on accumulated WAA for this season up to 1984-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.7 | Storm Davis | 104.7 | BAL |
| +002+ | 4.25 | Phil Niekro | 101.7 | NYA |
| +005+ | 3.77 | Dave Stieb | 108.7 | TOR |
| +006+ | 3.56 | Geoff Zahn | 85.7 | ANA |
| +007+ | 3.36 | Bruce Hurst | 104.3 | BOS |
| +008+ | 3.33 | Rick Honeycutt | 99.3 | LAN |
| +010+ | 3.24 | Alejandro Pena | 93.3 | LAN |
| +013+ | 3.13 | John Denny | 64 | PHI |
| +014+ | 3.1 | Nolan Ryan | 80.3 | HOU |
| +015+ | 3.08 | Jack Morris | 118.3 | DET |
| +021+ | 2.86 | Ricky Mahler | 65 | ATL |
| +023+ | 2.85 | Fernando Valenzuela | 108.7 | LAN |
| +024+ | 2.78 | Ray Burris | 76 | OAK |
| +026+ | 2.77 | Steve Trout | 82.7 | CHN |
| +028+ | 2.72 | Bob Knepper | 105.3 | HOU |
| +032+ | 2.61 | Mike Boddicker | 107.3 | BAL |
| +035+ | 2.42 | Mario Soto | 96.3 | CIN |
| +037+ | 2.3 | John Butcher | 82 | MIN |
| +040+ | 2.27 | Joe Niekro | 97.7 | HOU |
| +043+ | 2.2 | Charlie Lea | 100.7 | WAS |
| +047+ | 2.1 | Larry McWilliams | 77 | PIT |
| +048+ | 2.1 | Richard Dotson | 102 | CHA |
| +050+ | 2.03 | Steve Carlton | 98 | PHI |
| +054+ | 1.92 | Dan Petry | 94.7 | DET |
| +061+ | 1.79 | Frank Tanana | 96.3 | TEX |
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