| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 10.13 | 198406190_MIL_TOR |
| Nolan Ryan | HOU | 6.55 | 198406170_LAN_HOU |
| Storm Davis | BAL | 5.24 | 198406190_BAL_BOS |
| Phil Niekro | NYA | 4.3 | 198406180_NYA_DET |
| Fernando Valenzuela | LAN | 4.11 | 198406190_LAN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Codiroli | OAK | -5.89 | 198406190_KCA_OAK |
| Matt Young | SEA | -2.62 | 198406180_CHA_SEA |
| Bob Ojeda | BOS | -1.95 | 198406190_BAL_BOS |
| Dennis Eckersley | CHN | -1.45 | 198406170_PHI_CHN |
| Mike Witt | ANA | -1.29 | 198406170_CLE_ANA |
Based on accumulated WAA for this season up to 1984-06-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.84 | Phil Niekro | 110.3 | NYA |
| +004+ | 3.85 | Storm Davis | 108.7 | BAL |
| +005+ | 3.82 | Nolan Ryan | 88.3 | HOU |
| +007+ | 3.59 | Geoff Zahn | 85.7 | ANA |
| +010+ | 3.32 | Alejandro Pena | 93.3 | LAN |
| +011+ | 3.32 | Bruce Hurst | 110.3 | BOS |
| +012+ | 3.17 | Dave Stieb | 113.3 | TOR |
| +013+ | 3.16 | John Denny | 64 | PHI |
| +015+ | 3.13 | Jack Morris | 118.3 | DET |
| +016+ | 3 | Ray Burris | 83 | OAK |
| +021+ | 2.93 | Rick Honeycutt | 106 | LAN |
| +023+ | 2.88 | Ricky Mahler | 65 | ATL |
| +024+ | 2.86 | Bob Knepper | 111.3 | HOU |
| +025+ | 2.8 | Steve Trout | 82.7 | CHN |
| +028+ | 2.68 | Mike Boddicker | 107.3 | BAL |
| +033+ | 2.61 | Mario Soto | 100.3 | CIN |
| +040+ | 2.33 | John Butcher | 82 | MIN |
| +041+ | 2.32 | Frank Tanana | 104.3 | TEX |
| +045+ | 2.21 | Charlie Lea | 108 | WAS |
| +050+ | 2.1 | Richard Dotson | 111 | CHA |
| +052+ | 2.07 | Steve Carlton | 98 | PHI |
| +053+ | 2.06 | Rick Rhoden | 98.3 | PIT |
| +054+ | 2.02 | Dwight Gooden | 82.7 | NYN |
| +055+ | 2.02 | Larry McWilliams | 83 | PIT |
| +059+ | 1.96 | Dan Petry | 94.7 | DET |
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