| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 7.64 | 198406290_OAK_TOR |
| Mario Soto | CIN | 6.93 | 198406300_WAS_CIN |
| Phil Niekro | NYA | 5.32 | 198406290_NYA_KCA |
| Jack Morris | DET | 4.01 | 198406291_MIN_DET |
| Charlie Lea | WAS | 3.82 | 198406290_WAS_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Young | SEA | -3.99 | 198406280_SEA_BOS |
| Dennis Martinez | BAL | -2.1 | 198406290_BAL_CHA |
| Bob Ojeda | BOS | -1.85 | 198406290_SEA_BOS |
| Ken Dayley | SLN | -1.32 | 198406280_SLN_SDN |
| Steve Comer | CLE | -1.24 | 198406300_TEX_CLE |
Based on accumulated WAA for this season up to 1984-06-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.86 | Phil Niekro | 124 | NYA |
| +002+ | 4.68 | Geoff Zahn | 109.7 | ANA |
| +005+ | 3.96 | Nolan Ryan | 88.3 | HOU |
| +006+ | 3.94 | Ray Burris | 97 | OAK |
| +007+ | 3.87 | Dave Stieb | 131 | TOR |
| +014+ | 3.43 | Alejandro Pena | 112.3 | LAN |
| +015+ | 3.43 | Mario Soto | 123.3 | CIN |
| +020+ | 3.25 | Bruce Hurst | 118 | BOS |
| +021+ | 3.24 | John Denny | 64 | PHI |
| +022+ | 3.23 | Jack Morris | 130 | DET |
| +028+ | 2.96 | Joaquin Andujar | 142 | SLN |
| +029+ | 2.95 | Storm Davis | 119 | BAL |
| +030+ | 2.91 | Richard Dotson | 128.3 | CHA |
| +031+ | 2.89 | Mike Boddicker | 120.7 | BAL |
| +033+ | 2.82 | Ricky Horton | 50.7 | SLN |
| +035+ | 2.76 | Charlie Lea | 124 | WAS |
| +038+ | 2.63 | Rick Rhoden | 113.7 | PIT |
| +040+ | 2.61 | Mike Mason | 95.3 | TEX |
| +042+ | 2.57 | Ricky Mahler | 77.3 | ATL |
| +048+ | 2.42 | Jaime Cocanower | 108.7 | MIL |
| +050+ | 2.38 | Luis Leal | 116 | TOR |
| +053+ | 2.26 | Rick Honeycutt | 113.3 | LAN |
| +054+ | 2.25 | Bob Knepper | 124 | HOU |
| +055+ | 2.25 | Joe Niekro | 112 | HOU |
| +056+ | 2.24 | Fernando Valenzuela | 127.7 | LAN |
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