| Starter | Tm | Tier | Game |
|---|---|---|---|
| Phil Niekro | CLE | -3.02 | 198705220_CLE_MIL |
| Scott McGregor | BAL | -2.9 | 198705220_BAL_OAK |
| Neal Heaton | WAS | -1.14 | 198705230_WAS_SDN |
| Rich Dotson | CHA | -1.11 | 198705220_CHA_BOS |
| Allan Anderson | MIN | -1.08 | 198705230_DET_MIN |
Based on accumulated WAA for this season up to 1987-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.97 | Mike Scott | 74 | HOU |
| +003+ | 3.97 | Bret Saberhagen | 67 | KCA |
| +005+ | 3.22 | Mike Boddicker | 71.3 | BAL |
| +007+ | 3.05 | Rick Reuschel | 62.7 | PIT |
| +008+ | 2.94 | Charlie Leibrandt | 63 | KCA |
| +009+ | 2.85 | Curt Young | 67 | OAK |
| +010+ | 2.83 | Rick Honeycutt | 41.3 | LAN |
| +011+ | 2.75 | Jim Clancy | 68.3 | TOR |
| +015+ | 2.58 | Bruce Hurst | 67.3 | BOS |
| +016+ | 2.5 | Sid Fernandez | 53 | NYN |
| +018+ | 2.24 | Charles Hudson | 60.3 | NYA |
| +021+ | 2.18 | Nolan Ryan | 58 | HOU |
| +022+ | 2.16 | Roger Clemens | 69.3 | BOS |
| +029+ | 1.92 | Dennis Eckersley | 36.3 | OAK |
| +031+ | 1.88 | Dennis Rasmussen | 63 | NYA |
| +032+ | 1.87 | Willie Fraser | 47 | ANA |
| +033+ | 1.85 | Juan Berenguer | 37.7 | MIN |
| +036+ | 1.75 | Joe Niekro | 40.7 | NYA |
| +041+ | 1.72 | Joe Magrane | 36.7 | SLN |
| +042+ | 1.71 | Walt Terrell | 67.3 | DET |
| +053+ | 1.5 | Rick Sutcliffe | 59 | CHN |
| +054+ | 1.48 | Orel Hershiser | 68 | LAN |
| +061+ | 1.41 | Bob Welch | 63 | LAN |
| +064+ | 1.38 | Frank Tanana | 55.7 | DET |
| +067+ | 1.35 | Fernando Valenzuela | 66.7 | LAN |
_