| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 8.11 | 198407040_ANA_TOR |
| Phil Niekro | NYA | 5.67 | 198407040_NYA_TEX |
| Geoff Zahn | ANA | 5.13 | 198407050_ANA_BOS |
| Joe Niekro | HOU | 4.22 | 198407061_HOU_WAS |
| Charlie Lea | WAS | 4.04 | 198407040_WAS_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Codiroli | OAK | -5.78 | 198407040_OAK_BOS |
| Dennis Eckersley | CHN | -2.71 | 198407060_CHN_SFN |
| Bob Ojeda | BOS | -2.02 | 198407040_OAK_BOS |
| Dennis Martinez | BAL | -1.72 | 198407040_BAL_MIN |
| Tom Hume | CIN | -1.66 | 198407062_CIN_NYN |
Based on accumulated WAA for this season up to 1984-07-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.71 | Phil Niekro | 132 | NYA |
| +004+ | 4.17 | Dave Stieb | 138 | TOR |
| +012+ | 3.65 | Nolan Ryan | 93.3 | HOU |
| +014+ | 3.56 | Mario Soto | 123.3 | CIN |
| +017+ | 3.51 | Geoff Zahn | 114 | ANA |
| +018+ | 3.48 | Richard Dotson | 136 | CHA |
| +019+ | 3.41 | Joaquin Andujar | 146 | SLN |
| +020+ | 3.38 | Ray Burris | 104 | OAK |
| +021+ | 3.36 | Ricky Mahler | 92.3 | ATL |
| +022+ | 3.33 | Joe Niekro | 130 | HOU |
| +023+ | 3.3 | John Denny | 64 | PHI |
| +025+ | 3.27 | Alejandro Pena | 119.7 | LAN |
| +027+ | 3.16 | Bruce Hurst | 121.3 | BOS |
| +032+ | 3.07 | Storm Davis | 119 | BAL |
| +033+ | 3.06 | Ricky Horton | 57.7 | SLN |
| +037+ | 2.91 | Bob Knepper | 130 | HOU |
| +039+ | 2.84 | Charlie Lea | 133 | WAS |
| +042+ | 2.7 | Mike Boddicker | 136.3 | BAL |
| +045+ | 2.55 | Fernando Valenzuela | 142.7 | LAN |
| +050+ | 2.42 | John Candelaria | 90.3 | PIT |
| +052+ | 2.4 | Jaime Cocanower | 114.7 | MIL |
| +053+ | 2.39 | Frank Viola | 128 | MIN |
| +054+ | 2.36 | Mike Mason | 106 | TEX |
| +057+ | 2.32 | Dave Dravecky | 75.3 | SDN |
| +059+ | 2.3 | Dwight Gooden | 105 | NYN |
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