| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 7.77 | 198405060_CIN_PHI |
| Dave Stieb | TOR | 7.57 | 198405040_KCA_TOR |
| John Candelaria | PIT | 4.51 | 198405050_LAN_PIT |
| Bob Welch | LAN | 4.44 | 198405050_LAN_PIT |
| Charlie Lea | WAS | 3.29 | 198405061_ATL_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Gott | TOR | -5.75 | 198405050_KCA_TOR |
| Frank Viola | MIN | -3.98 | 198405040_OAK_MIN |
| Dennis Eckersley | BOS | -3.03 | 198405040_CHA_BOS |
| Chris Codiroli | OAK | -2.85 | 198405050_OAK_MIN |
| Len Barker | ATL | -2.29 | 198405050_ATL_WAS |
Based on accumulated WAA for this season up to 1984-05-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.86 | Phil Niekro | 45.7 | NYA |
| +002+ | 2.49 | Storm Davis | 47.3 | BAL |
| +003+ | 2.38 | Rick Honeycutt | 46 | LAN |
| +005+ | 2.25 | Jack Morris | 59 | DET |
| +009+ | 2.06 | John Denny | 39 | PHI |
| +010+ | 1.99 | Geoff Zahn | 38 | ANA |
| +012+ | 1.93 | Bill Laskey | 47.3 | SFN |
| +014+ | 1.86 | Ray Burris | 31 | OAK |
| +015+ | 1.83 | Alejandro Pena | 47 | LAN |
| +016+ | 1.83 | Joe Niekro | 45 | HOU |
| +019+ | 1.78 | Bruce Hurst | 44.7 | BOS |
| +020+ | 1.73 | Dave Stieb | 48.3 | TOR |
| +021+ | 1.66 | Tommy John | 51.3 | ANA |
| +023+ | 1.64 | Danny Darwin | 50.3 | TEX |
| +024+ | 1.62 | Bob Knepper | 45 | HOU |
| +027+ | 1.55 | Eric Show | 44.7 | SDN |
| +030+ | 1.38 | Mike Caldwell | 46.3 | MIL |
| +031+ | 1.33 | Charlie Lea | 49 | WAS |
| +035+ | 1.32 | Richard Dotson | 47 | CHA |
| +034+ | 1.32 | Scott Sanderson | 44.7 | CHN |
| XXXXX | 1.18 | Larry Gura | 43.3 | KCA |
| XXXXX | 1.16 | John Tudor | 43 | PIT |
| XXXXX | 1.13 | Dan Petry | 40 | DET |
| XXXXX | 1.07 | Steve Trout | 39.3 | CHN |
| XXXXX | 1.06 | Luis Leal | 45.3 | TOR |
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