| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 8.15 | 198405100_TOR_BAL |
| Steve Carlton | PHI | 6.88 | 198405110_PHI_SDN |
| Nolan Ryan | HOU | 4.01 | 198405110_CHN_HOU |
| John Candelaria | PIT | 3.5 | 198405110_PIT_ATL |
| Charlie Lea | WAS | 3.47 | 198405110_WAS_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Pastore | CIN | -3.08 | 198405100_CIN_WAS |
| Dennis Eckersley | BOS | -2.81 | 198405110_BOS_KCA |
| Mike Scott | HOU | -2.43 | 198405100_PHI_HOU |
| Doyle Alexander | TOR | -1.8 | 198405092_TOR_BAL |
| Dick Ruthven | CHN | -1.53 | 198405110_CHN_HOU |
Based on accumulated WAA for this season up to 1984-05-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.03 | Phil Niekro | 52.7 | NYA |
| +002+ | 2.63 | Jack Morris | 68 | DET |
| +006+ | 2.32 | Ray Burris | 38.3 | OAK |
| +007+ | 2.23 | Bob Knepper | 54 | HOU |
| +008+ | 2.22 | Storm Davis | 51.3 | BAL |
| +009+ | 2.17 | John Denny | 47 | PHI |
| +010+ | 2.05 | Rick Honeycutt | 51.3 | LAN |
| +015+ | 1.89 | Alejandro Pena | 47 | LAN |
| +017+ | 1.83 | Bruce Hurst | 44.7 | BOS |
| +019+ | 1.79 | Scott Sanderson | 49.7 | CHN |
| +020+ | 1.77 | Dave Stieb | 55.7 | TOR |
| +021+ | 1.77 | Eric Show | 51.7 | SDN |
| +023+ | 1.7 | Tommy John | 51.3 | ANA |
| +026+ | 1.6 | Joaquin Andujar | 63 | SLN |
| +027+ | 1.55 | Frank Viola | 56.3 | MIN |
| +030+ | 1.52 | Geoff Zahn | 44.3 | ANA |
| +031+ | 1.51 | Dan Petry | 46.7 | DET |
| +038+ | 1.42 | Joe Niekro | 49.7 | HOU |
| +039+ | 1.4 | Mike Boddicker | 54 | BAL |
| +040+ | 1.37 | Bill Laskey | 52.3 | SFN |
| +041+ | 1.36 | Andy McGaffigan | 20.3 | WAS |
| +044+ | 1.33 | Nolan Ryan | 53.3 | HOU |
| +045+ | 1.32 | Ed Vande Berg | 23.3 | SEA |
| +047+ | 1.31 | Danny Darwin | 58.3 | TEX |
| +048+ | 1.3 | John Candelaria | 44.3 | PIT |
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