| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 10.13 | 198406190_MIL_TOR |
| Mario Soto | CIN | 7.67 | 198406210_LAN_CIN |
| Steve Carlton | PHI | 6.19 | 198406200_PHI_NYN |
| Storm Davis | BAL | 5.24 | 198406190_BAL_BOS |
| Fernando Valenzuela | LAN | 4.11 | 198406190_LAN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Codiroli | OAK | -5.89 | 198406190_KCA_OAK |
| Bob Ojeda | BOS | -1.95 | 198406190_BAL_BOS |
| Neal Heaton | CLE | -1.79 | 198406210_CLE_MIN |
| Dennis Eckersley | CHN | -1.55 | 198406210_CHN_PIT |
| Shane Rawley | NYA | -0.74 | 198406210_NYA_BAL |
Based on accumulated WAA for this season up to 1984-06-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.82 | Phil Niekro | 110.3 | NYA |
| +003+ | 3.98 | Geoff Zahn | 94.7 | ANA |
| +006+ | 3.88 | Storm Davis | 108.7 | BAL |
| +007+ | 3.84 | Nolan Ryan | 88.3 | HOU |
| +012+ | 3.35 | Bruce Hurst | 110.3 | BOS |
| +013+ | 3.34 | Alejandro Pena | 100.3 | LAN |
| +015+ | 3.28 | Mike Boddicker | 116.3 | BAL |
| +016+ | 3.21 | Dave Stieb | 113.3 | TOR |
| +017+ | 3.19 | John Denny | 64 | PHI |
| +018+ | 3.1 | Jack Morris | 118.3 | DET |
| +022+ | 3.02 | Ray Burris | 83 | OAK |
| +023+ | 2.89 | Bob Knepper | 111.3 | HOU |
| +024+ | 2.85 | Steve Trout | 82.7 | CHN |
| +030+ | 2.57 | Joaquin Andujar | 129.7 | SLN |
| +034+ | 2.49 | Ricky Mahler | 70 | ATL |
| +037+ | 2.44 | Mario Soto | 105.3 | CIN |
| +040+ | 2.35 | Frank Tanana | 104.3 | TEX |
| +044+ | 2.24 | Charlie Lea | 108 | WAS |
| +045+ | 2.21 | Luis Leal | 109 | TOR |
| +047+ | 2.14 | Richard Dotson | 111 | CHA |
| +052+ | 2.05 | Dwight Gooden | 82.7 | NYN |
| +054+ | 2.04 | Larry McWilliams | 83 | PIT |
| +055+ | 2.01 | Rick Honeycutt | 109.3 | LAN |
| +057+ | 1.95 | Joe Niekro | 105.3 | HOU |
| +058+ | 1.93 | Ricky Horton | 36.3 | SLN |
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