| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 7.87 | 198405250_CLE_TOR |
| Steve Carlton | PHI | 7.83 | 198405230_LAN_PHI |
| John Candelaria | PIT | 4.62 | 198405230_CIN_PIT |
| Joaquin Andujar | SLN | 3.16 | 198405230_HOU_SLN |
| Storm Davis | BAL | 3.01 | 198405240_BAL_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chuck Rainey | CHN | -2.96 | 198405241_ATL_CHN |
| Mike Scott | HOU | -2.55 | 198405250_PIT_HOU |
| Neal Heaton | CLE | -2.14 | 198405250_CLE_TOR |
| Mike Brown | BOS | -1.78 | 198405230_CLE_BOS |
| Mark Langston | SEA | -1.01 | 198405240_NYA_SEA |
Based on accumulated WAA for this season up to 1984-05-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4 | Phil Niekro | 75 | NYA |
| +003+ | 3.35 | Jack Morris | 91.3 | DET |
| +004+ | 3.24 | Storm Davis | 76.3 | BAL |
| +005+ | 3.12 | John Denny | 64 | PHI |
| +006+ | 3 | Rick Honeycutt | 73.3 | LAN |
| +009+ | 2.55 | Bob Knepper | 76 | HOU |
| +012+ | 2.43 | Nolan Ryan | 67.3 | HOU |
| +013+ | 2.4 | Bruce Hurst | 68.7 | BOS |
| +015+ | 2.39 | Dave Stieb | 77.7 | TOR |
| +018+ | 2.19 | Joaquin Andujar | 86 | SLN |
| +019+ | 2.15 | Fernando Valenzuela | 75.7 | LAN |
| +020+ | 2.09 | Tommy John | 74 | ANA |
| +023+ | 2.03 | Ray Burris | 49.3 | OAK |
| +024+ | 2.02 | Steve Carlton | 68.3 | PHI |
| +025+ | 2.01 | Geoff Zahn | 60.7 | ANA |
| +032+ | 1.92 | Mario Soto | 79.3 | CIN |
| +033+ | 1.91 | Larry McWilliams | 57 | PIT |
| +034+ | 1.89 | Frank Viola | 78 | MIN |
| +036+ | 1.88 | Richard Dotson | 73.3 | CHA |
| +042+ | 1.68 | Frank Tanana | 65.7 | TEX |
| +041+ | 1.68 | John Candelaria | 59.3 | PIT |
| +047+ | 1.6 | Eric Show | 66 | SDN |
| +049+ | 1.57 | Chuck Porter | 40 | MIL |
| +054+ | 1.55 | Mike Mason | 44.7 | TEX |
| +053+ | 1.55 | Scott Sanderson | 50 | CHN |
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