| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Whitson | SDN | -6.08 | 198705310_NYN_SDN |
| Scott McGregor | BAL | -4.05 | 198706010_OAK_BAL |
| Ed Correa | TEX | -3.01 | 198705310_TEX_KCA |
| Phil Niekro | CLE | -2.05 | 198706010_DET_CLE |
| Mike Morgan | SEA | -1.41 | 198705300_SEA_BAL |
Based on accumulated WAA for this season up to 1987-06-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.8 | Bret Saberhagen | 81 | KCA |
| +004+ | 3.58 | Rick Reuschel | 68.7 | PIT |
| +006+ | 3.47 | Sid Fernandez | 68 | NYN |
| +005+ | 3.47 | Mike Scott | 80.3 | HOU |
| +007+ | 3.39 | Charlie Leibrandt | 77 | KCA |
| +008+ | 3.14 | Rick Honeycutt | 54.3 | LAN |
| +011+ | 2.97 | Mike Boddicker | 76.7 | BAL |
| +012+ | 2.95 | Jim Clancy | 75.7 | TOR |
| +014+ | 2.89 | Curt Young | 81 | OAK |
| +015+ | 2.69 | Juan Berenguer | 45.3 | MIN |
| +019+ | 2.45 | Nolan Ryan | 64 | HOU |
| +023+ | 2.4 | Bob Welch | 72 | LAN |
| +025+ | 2.33 | Roger Clemens | 85 | BOS |
| +026+ | 2.25 | Bruce Hurst | 80 | BOS |
| +029+ | 2.22 | Joe Magrane | 49.7 | SLN |
| +031+ | 2.18 | Rick Sutcliffe | 74.3 | CHN |
| +037+ | 2.1 | Atlee Hammaker | 36 | SFN |
| +043+ | 1.97 | Terry Leach | 36.3 | NYN |
| +045+ | 1.94 | Scott Bailes | 41 | CLE |
| +047+ | 1.93 | Orel Hershiser | 82 | LAN |
| +050+ | 1.9 | Shane Rawley | 71 | PHI |
| +062+ | 1.68 | Lary Sorensen | 33 | WAS |
| +066+ | 1.65 | Jose DeLeon | 65.7 | CHA |
| +071+ | 1.52 | Joe Niekro | 46.3 | NYA |
| +075+ | 1.45 | Charles Hudson | 70.7 | NYA |
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