| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 7.57 | 198405040_KCA_TOR |
| Mario Soto | CIN | 6.84 | 198405020_HOU_CIN |
| Joe Niekro | HOU | 5.75 | 198405020_HOU_CIN |
| Steve Rogers | WAS | 3.26 | 198405020_WAS_PHI |
| Jack Morris | DET | 1.83 | 198405030_BOS_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | -3.98 | 198405040_OAK_MIN |
| Dennis Eckersley | BOS | -3.03 | 198405040_CHA_BOS |
| Chuck Rainey | CHN | -1.98 | 198405020_CHN_NYN |
| Tom Seaver | CHA | -1.48 | 198405040_CHA_BOS |
| Mike Moore | SEA | -1.3 | 198405040_ANA_SEA |
Based on accumulated WAA for this season up to 1984-05-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.85 | Phil Niekro | 45.7 | NYA |
| +002+ | 2.45 | Storm Davis | 47.3 | BAL |
| +003+ | 2.34 | Rick Honeycutt | 46 | LAN |
| +004+ | 2.25 | Jack Morris | 59 | DET |
| +007+ | 2.03 | John Denny | 39 | PHI |
| +009+ | 1.95 | Geoff Zahn | 38 | ANA |
| +010+ | 1.94 | Alejandro Pena | 38.7 | LAN |
| +012+ | 1.82 | Ray Burris | 31 | OAK |
| +013+ | 1.8 | Joe Niekro | 45 | HOU |
| +017+ | 1.69 | Dave Stieb | 48.3 | TOR |
| +019+ | 1.59 | Bob Knepper | 45 | HOU |
| +020+ | 1.59 | Mike Caldwell | 41.3 | MIL |
| +023+ | 1.56 | Tommy John | 43.3 | ANA |
| +024+ | 1.54 | Eric Show | 37.7 | SDN |
| +025+ | 1.54 | Bill Laskey | 41.3 | SFN |
| +029+ | 1.38 | Danny Darwin | 45.3 | TEX |
| +032+ | 1.31 | John Candelaria | 32.3 | PIT |
| +033+ | 1.3 | Scott Sanderson | 44.7 | CHN |
| XXXXX | 1.19 | Bruce Hurst | 35.7 | BOS |
| XXXXX | 1.17 | Richard Dotson | 41 | CHA |
| XXXXX | 1.14 | Bob Welch | 34 | LAN |
| XXXXX | 1.13 | Dan Petry | 40 | DET |
| XXXXX | 1.05 | Charlie Lea | 41 | WAS |
| XXXXX | 1.05 | Steve Trout | 34.3 | CHN |
| XXXXX | 1.04 | Steve Carlton | 39.7 | PHI |
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