| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mario Soto | CIN | 7.54 | 198406160_CIN_ATL |
| Nolan Ryan | HOU | 6.55 | 198406170_LAN_HOU |
| Charlie Lea | WAS | 3.4 | 198406170_PIT_WAS |
| Geoff Zahn | ANA | 3.29 | 198406150_CLE_ANA |
| Alejandro Pena | LAN | 3.02 | 198406150_LAN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Neal Heaton | CLE | -1.7 | 198406150_CLE_ANA |
| Roger Clemens | BOS | -1.52 | 198406170_BOS_TOR |
| Dennis Eckersley | CHN | -1.45 | 198406170_PHI_CHN |
| Jim Slaton | ANA | -1.44 | 198406160_CLE_ANA |
| Marty Bystrom | PHI | -1.4 | 198406160_PHI_CHN |
Based on accumulated WAA for this season up to 1984-06-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.72 | Storm Davis | 104.7 | BAL |
| +002+ | 4.27 | Phil Niekro | 101.7 | NYA |
| +005+ | 3.79 | Dave Stieb | 108.7 | TOR |
| +004+ | 3.79 | Nolan Ryan | 88.3 | HOU |
| +007+ | 3.56 | Geoff Zahn | 85.7 | ANA |
| +010+ | 3.28 | Bruce Hurst | 110.3 | BOS |
| +011+ | 3.28 | Alejandro Pena | 93.3 | LAN |
| +013+ | 3.13 | John Denny | 64 | PHI |
| +015+ | 3.09 | Jack Morris | 118.3 | DET |
| +021+ | 2.9 | Fernando Valenzuela | 108.7 | LAN |
| +022+ | 2.88 | Rick Honeycutt | 106 | LAN |
| +024+ | 2.86 | Ricky Mahler | 65 | ATL |
| +026+ | 2.77 | Steve Trout | 82.7 | CHN |
| +025+ | 2.77 | Ray Burris | 76 | OAK |
| +028+ | 2.73 | Bob Knepper | 105.3 | HOU |
| +030+ | 2.64 | Mike Boddicker | 107.3 | BAL |
| +032+ | 2.57 | Mario Soto | 100.3 | CIN |
| +040+ | 2.3 | John Butcher | 82 | MIN |
| +045+ | 2.17 | Charlie Lea | 108 | WAS |
| +046+ | 2.13 | Richard Dotson | 102 | CHA |
| +052+ | 2.04 | Steve Carlton | 98 | PHI |
| +053+ | 2.02 | Rick Rhoden | 98.3 | PIT |
| +057+ | 1.99 | Larry McWilliams | 83 | PIT |
| +056+ | 1.99 | Dwight Gooden | 82.7 | NYN |
| +059+ | 1.92 | Dan Petry | 94.7 | DET |
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