| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 8.7 | 198405200_CHA_TOR |
| Joe Niekro | HOU | 6.22 | 198405180_HOU_CHN |
| Jack Morris | DET | 3.03 | 198405190_OAK_DET |
| Phil Niekro | NYA | 2.83 | 198405190_ANA_NYA |
| Joaquin Andujar | SLN | 2.61 | 198405190_CIN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Gott | TOR | -3.88 | 198405190_CHA_TOR |
| Mike Torrez | NYN | -3.51 | 198405200_NYN_SDN |
| Lary Sorensen | OAK | -3.1 | 198405200_OAK_DET |
| Frank Pastore | CIN | -2.77 | 198405200_CIN_SLN |
| Neal Heaton | CLE | -2.37 | 198405200_CLE_MIL |
Based on accumulated WAA for this season up to 1984-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.4 | Phil Niekro | 68 | NYA |
| +002+ | 3.26 | Storm Davis | 69.3 | BAL |
| +005+ | 2.82 | Rick Honeycutt | 66.3 | LAN |
| +006+ | 2.8 | John Denny | 60 | PHI |
| +008+ | 2.66 | Joaquin Andujar | 81 | SLN |
| +009+ | 2.6 | Jack Morris | 82.3 | DET |
| +012+ | 2.2 | Frank Viola | 72 | MIN |
| +013+ | 2.12 | Tommy John | 69 | ANA |
| +014+ | 2.1 | Ray Burris | 42.7 | OAK |
| +015+ | 2.1 | Mike Boddicker | 63 | BAL |
| +017+ | 2.07 | Nolan Ryan | 62.3 | HOU |
| +020+ | 2.03 | Geoff Zahn | 60.7 | ANA |
| +025+ | 1.94 | Dave Stieb | 69.7 | TOR |
| +027+ | 1.86 | Bruce Hurst | 59.7 | BOS |
| +029+ | 1.84 | Bob Knepper | 67 | HOU |
| +028+ | 1.84 | Richard Dotson | 73.3 | CHA |
| +034+ | 1.79 | Alejandro Pena | 59 | LAN |
| +035+ | 1.78 | Mario Soto | 70.3 | CIN |
| +036+ | 1.76 | Jaime Cocanower | 55.7 | MIL |
| +039+ | 1.65 | Bret Saberhagen | 46.3 | KCA |
| +042+ | 1.59 | Eric Show | 58 | SDN |
| +047+ | 1.57 | Mike Mason | 44.7 | TEX |
| +045+ | 1.57 | Scott Sanderson | 50 | CHN |
| +046+ | 1.57 | Steve Carlton | 60.3 | PHI |
| +049+ | 1.56 | Andy McGaffigan | 25.3 | WAS |
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