| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fernando Valenzuela | LAN | 6.42 | 198705150_LAN_WAS |
| Danny Cox | SLN | 6.39 | 198705150_CIN_SLN |
| Rick Reuschel | PIT | 4.94 | 198705170_ATL_PIT |
| Jimmy Key | TOR | 3.73 | 198705160_TOR_OAK |
| Roger Clemens | BOS | 3.51 | 198705160_BOS_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Whitson | SDN | -4.16 | 198705150_SDN_PHI |
| Scott McGregor | BAL | -3.33 | 198705160_BAL_ANA |
| Rich Dotson | CHA | -2.28 | 198705150_TEX_CHA |
| Phil Niekro | CLE | -2.11 | 198705160_CLE_DET |
| Juan Nieves | MIL | -1.89 | 198705150_MIL_KCA |
Based on accumulated WAA for this season up to 1987-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.29 | Mike Scott | 65 | HOU |
| +002+ | 3.29 | Bret Saberhagen | 58 | KCA |
| +004+ | 3.06 | Charles Hudson | 58 | NYA |
| +008+ | 2.6 | Rick Reuschel | 55.7 | PIT |
| +009+ | 2.53 | Sid Fernandez | 53 | NYN |
| +011+ | 2.41 | Curt Young | 58 | OAK |
| +012+ | 2.34 | Walt Terrell | 61 | DET |
| +014+ | 2.27 | Dennis Rasmussen | 60.7 | NYA |
| +015+ | 2.26 | Charlie Leibrandt | 54 | KCA |
| +016+ | 2.25 | Rick Honeycutt | 35.7 | LAN |
| +018+ | 2.15 | Nolan Ryan | 51.3 | HOU |
| +019+ | 2.09 | Roger Clemens | 60.3 | BOS |
| +020+ | 2.08 | Mike Boddicker | 55.3 | BAL |
| +023+ | 1.89 | Bruce Hurst | 58.3 | BOS |
| +026+ | 1.84 | Joe Magrane | 31.3 | SLN |
| +035+ | 1.71 | Willie Fraser | 38.7 | ANA |
| +041+ | 1.62 | Juan Berenguer | 31 | MIN |
| +043+ | 1.61 | Buddy Black | 28.7 | KCA |
| +046+ | 1.57 | Fernando Valenzuela | 60.7 | LAN |
| +051+ | 1.47 | Dennis Eckersley | 31.7 | OAK |
| +052+ | 1.45 | Rick Sutcliffe | 53 | CHN |
| +054+ | 1.45 | Orel Hershiser | 68 | LAN |
| +061+ | 1.36 | Lary Sorensen | 24 | WAS |
| +067+ | 1.3 | Frank Tanana | 50.7 | DET |
| +070+ | 1.26 | Scott Bailes | 32.7 | CLE |
_