| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stieb | TOR | 9.62 | 198406040_TOR_DET |
| Steve Carlton | PHI | 8.56 | 198406040_PHI_SLN |
| Mario Soto | CIN | 7.91 | 198406060_CIN_LAN |
| Fernando Valenzuela | LAN | 4.71 | 198406040_CIN_LAN |
| Mike Boddicker | BAL | 2.89 | 198406040_MIL_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lary Sorensen | OAK | -4.39 | 198406060_OAK_CLE |
| Mike Scott | HOU | -2.56 | 198406040_HOU_SDN |
| Chuck Rainey | CHN | -2.53 | 198406050_CHN_WAS |
| Frank Pastore | CIN | -2.14 | 198406040_CIN_LAN |
| Mike Witt | ANA | -2.02 | 198406060_ANA_CHA |
Based on accumulated WAA for this season up to 1984-06-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.31 | Storm Davis | 91.3 | BAL |
| +002+ | 3.92 | Phil Niekro | 85.7 | NYA |
| +003+ | 3.88 | Bruce Hurst | 95.7 | BOS |
| +005+ | 3.61 | Rick Honeycutt | 91.3 | LAN |
| +006+ | 3.57 | Bob Knepper | 92.7 | HOU |
| +007+ | 3.4 | Jack Morris | 106.3 | DET |
| +009+ | 3.14 | Nolan Ryan | 80.3 | HOU |
| +010+ | 3.12 | John Denny | 64 | PHI |
| +014+ | 2.81 | Dave Stieb | 92.7 | TOR |
| +015+ | 2.81 | Alejandro Pena | 81.7 | LAN |
| +018+ | 2.72 | Ray Burris | 63.7 | OAK |
| +020+ | 2.67 | Fernando Valenzuela | 92.7 | LAN |
| +023+ | 2.55 | Charlie Lea | 88.3 | WAS |
| +025+ | 2.49 | Geoff Zahn | 68.7 | ANA |
| +026+ | 2.47 | Mike Boddicker | 94.3 | BAL |
| +031+ | 2.28 | Richard Dotson | 90.3 | CHA |
| +033+ | 2.25 | Ricky Mahler | 51 | ATL |
| +035+ | 2.24 | Steve Trout | 72.3 | CHN |
| +037+ | 2.19 | Tommy John | 80 | ANA |
| +038+ | 2.16 | Steve Carlton | 82.3 | PHI |
| +039+ | 2.08 | John Candelaria | 65.3 | PIT |
| +045+ | 2.03 | Mario Soto | 87.3 | CIN |
| +051+ | 1.81 | Joaquin Andujar | 106 | SLN |
| +052+ | 1.81 | John Tudor | 79.7 | PIT |
| +054+ | 1.8 | Frank Viola | 87 | MIN |
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