| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 8.11 | 198407040_ANA_TOR |
| Nolan Ryan | HOU | 6.75 | 198407030_HOU_NYN |
| Phil Niekro | NYA | 5.67 | 198407040_NYA_TEX |
| Geoff Zahn | ANA | 5.13 | 198407050_ANA_BOS |
| Charlie Lea | WAS | 4.04 | 198407040_WAS_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Codiroli | OAK | -5.78 | 198407040_OAK_BOS |
| Matt Young | SEA | -4.01 | 198407030_SEA_MIL |
| Bob Ojeda | BOS | -2.02 | 198407040_OAK_BOS |
| Dennis Martinez | BAL | -1.72 | 198407040_BAL_MIN |
| Marty Bystrom | NYA | -1.58 | 198407030_NYA_TEX |
Based on accumulated WAA for this season up to 1984-07-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.66 | Phil Niekro | 132 | NYA |
| +003+ | 4.12 | Dave Stieb | 138 | TOR |
| +006+ | 3.98 | Ray Burris | 97 | OAK |
| +014+ | 3.62 | Nolan Ryan | 93.3 | HOU |
| +017+ | 3.5 | Mario Soto | 123.3 | CIN |
| +018+ | 3.46 | Geoff Zahn | 114 | ANA |
| +019+ | 3.43 | Richard Dotson | 136 | CHA |
| +020+ | 3.4 | Joaquin Andujar | 146 | SLN |
| +021+ | 3.33 | Ricky Mahler | 92.3 | ATL |
| +022+ | 3.28 | Alejandro Pena | 119.7 | LAN |
| +023+ | 3.28 | John Denny | 64 | PHI |
| +027+ | 3.13 | Mike Boddicker | 129.7 | BAL |
| +028+ | 3.12 | Bruce Hurst | 121.3 | BOS |
| +032+ | 3.06 | Ricky Horton | 57.7 | SLN |
| +033+ | 3.04 | Storm Davis | 119 | BAL |
| +034+ | 2.91 | Joe Niekro | 121 | HOU |
| +036+ | 2.86 | Bob Knepper | 130 | HOU |
| +038+ | 2.8 | Charlie Lea | 133 | WAS |
| +045+ | 2.42 | Rick Rhoden | 117.3 | PIT |
| +048+ | 2.39 | Frank Viola | 119 | MIN |
| +049+ | 2.38 | John Candelaria | 90.3 | PIT |
| +050+ | 2.36 | Jaime Cocanower | 114.7 | MIL |
| +054+ | 2.31 | Rick Honeycutt | 113.3 | LAN |
| +055+ | 2.3 | Dave Dravecky | 75.3 | SDN |
| +056+ | 2.28 | Fernando Valenzuela | 134.7 | LAN |
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