| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mario Soto | CIN | 7.54 | 198406160_CIN_ATL |
| Nolan Ryan | HOU | 6.55 | 198406170_LAN_HOU |
| Phil Niekro | NYA | 4.3 | 198406180_NYA_DET |
| Charlie Lea | WAS | 3.4 | 198406170_PIT_WAS |
| Rich Dotson | CHA | 2.36 | 198406180_CHA_SEA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Young | SEA | -2.62 | 198406180_CHA_SEA |
| 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 1984-06-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.79 | Phil Niekro | 110.3 | NYA |
| +002+ | 4.73 | Storm Davis | 104.7 | BAL |
| +004+ | 3.79 | Nolan Ryan | 88.3 | HOU |
| +005+ | 3.79 | Dave Stieb | 108.7 | TOR |
| +008+ | 3.57 | Geoff Zahn | 85.7 | ANA |
| +010+ | 3.29 | Bruce Hurst | 110.3 | BOS |
| +011+ | 3.28 | Alejandro Pena | 93.3 | LAN |
| +013+ | 3.14 | John Denny | 64 | PHI |
| +015+ | 3.1 | Jack Morris | 118.3 | DET |
| +019+ | 2.98 | Ray Burris | 83 | OAK |
| +021+ | 2.9 | Fernando Valenzuela | 108.7 | LAN |
| +022+ | 2.89 | Rick Honeycutt | 106 | LAN |
| +023+ | 2.87 | Ricky Mahler | 65 | ATL |
| +026+ | 2.78 | Steve Trout | 82.7 | CHN |
| +030+ | 2.73 | Bob Knepper | 105.3 | HOU |
| +032+ | 2.65 | Mike Boddicker | 107.3 | BAL |
| +033+ | 2.58 | Mario Soto | 100.3 | CIN |
| +040+ | 2.31 | John Butcher | 82 | MIN |
| +042+ | 2.29 | Frank Tanana | 104.3 | TEX |
| +047+ | 2.18 | Charlie Lea | 108 | WAS |
| +053+ | 2.06 | Richard Dotson | 111 | CHA |
| +054+ | 2.04 | Steve Carlton | 98 | PHI |
| +055+ | 2.03 | Rick Rhoden | 98.3 | PIT |
| +057+ | 2 | Dwight Gooden | 82.7 | NYN |
| +058+ | 1.99 | Larry McWilliams | 83 | PIT |
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