| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mario Soto | CIN | 6.5 | 198406260_CIN_SFN |
| Geoff Zahn | ANA | 4.27 | 198406250_ANA_TEX |
| Mike Boddicker | BAL | 4.22 | 198406260_BOS_BAL |
| Joe Niekro | HOU | 3.55 | 198406260_HOU_ATL |
| Larry McWilliams | PIT | 3.06 | 198406262_PIT_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lary Sorensen | OAK | -2.79 | 198406261_OAK_KCA |
| Dennis Eckersley | CHN | -2.54 | 198406261_PIT_CHN |
| Marty Bystrom | PHI | -2.25 | 198406270_NYN_PHI |
| Frank Pastore | CIN | -2.23 | 198406270_CIN_SFN |
| Larry Gura | KCA | -2.1 | 198406270_OAK_KCA |
Based on accumulated WAA for this season up to 1984-06-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.77 | Phil Niekro | 116 | NYA |
| +004+ | 3.95 | Nolan Ryan | 88.3 | HOU |
| +006+ | 3.88 | Geoff Zahn | 100.7 | ANA |
| +007+ | 3.78 | Jack Morris | 124.3 | DET |
| +009+ | 3.62 | Alejandro Pena | 107.3 | LAN |
| +012+ | 3.51 | Dave Stieb | 122 | TOR |
| +013+ | 3.51 | Ray Burris | 90 | OAK |
| +016+ | 3.45 | Bruce Hurst | 110.3 | BOS |
| +020+ | 3.33 | Storm Davis | 113.7 | BAL |
| +022+ | 3.24 | John Denny | 64 | PHI |
| +024+ | 3.17 | Bob Knepper | 120.3 | HOU |
| +026+ | 2.89 | Mike Boddicker | 120.7 | BAL |
| +028+ | 2.86 | Mario Soto | 114.3 | CIN |
| +031+ | 2.65 | Frank Tanana | 112.3 | TEX |
| +032+ | 2.63 | Mike Mason | 95.3 | TEX |
| +035+ | 2.61 | Rick Rhoden | 113.7 | PIT |
| +036+ | 2.58 | Charlie Lea | 115 | WAS |
| +037+ | 2.57 | Ricky Mahler | 77.3 | ATL |
| +041+ | 2.47 | Joaquin Andujar | 136.7 | SLN |
| +045+ | 2.37 | Luis Leal | 116 | TOR |
| +044+ | 2.37 | Richard Dotson | 119.3 | CHA |
| +049+ | 2.25 | Rick Honeycutt | 113.3 | LAN |
| +051+ | 2.24 | Joe Niekro | 112 | HOU |
| +052+ | 2.24 | Fernando Valenzuela | 127.7 | LAN |
| +054+ | 2.23 | Jaime Cocanower | 101.7 | MIL |
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