| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Whitson | SDN | -5.11 | 198705200_SDN_NYN |
| Phil Niekro | CLE | -3.02 | 198705220_CLE_MIL |
| Scott McGregor | BAL | -2.9 | 198705220_BAL_OAK |
| Mike Morgan | SEA | -1.85 | 198705200_BAL_SEA |
| Juan Nieves | MIL | -1.66 | 198705200_CHA_MIL |
Based on accumulated WAA for this season up to 1987-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.99 | Mike Scott | 74 | HOU |
| +003+ | 3.96 | Bret Saberhagen | 67 | KCA |
| +004+ | 3.07 | Rick Reuschel | 62.7 | PIT |
| +005+ | 2.97 | Mike Boddicker | 64.3 | BAL |
| +006+ | 2.93 | Charlie Leibrandt | 63 | KCA |
| +007+ | 2.87 | Curt Young | 67 | OAK |
| +009+ | 2.84 | Rick Honeycutt | 41.3 | LAN |
| +012+ | 2.6 | Bruce Hurst | 67.3 | BOS |
| +015+ | 2.52 | Sid Fernandez | 53 | NYN |
| +017+ | 2.33 | Walt Terrell | 61 | DET |
| +018+ | 2.25 | Charles Hudson | 60.3 | NYA |
| +021+ | 2.19 | Nolan Ryan | 58 | HOU |
| +022+ | 2.17 | Roger Clemens | 69.3 | BOS |
| +023+ | 2.08 | Jim Clancy | 59.3 | TOR |
| +027+ | 1.92 | Dennis Eckersley | 36.3 | OAK |
| +030+ | 1.89 | Dennis Rasmussen | 63 | NYA |
| +033+ | 1.86 | Juan Berenguer | 37.7 | MIN |
| +037+ | 1.73 | Joe Magrane | 36.7 | SLN |
| +039+ | 1.69 | Willie Fraser | 38.7 | ANA |
| +044+ | 1.62 | Rick Sutcliffe | 59 | CHN |
| +049+ | 1.6 | Buddy Black | 28.7 | KCA |
| +055+ | 1.5 | Orel Hershiser | 68 | LAN |
| +066+ | 1.38 | Frank Tanana | 55.7 | DET |
| +067+ | 1.36 | Fernando Valenzuela | 66.7 | LAN |
| +073+ | 1.29 | Don Carman | 53.3 | PHI |
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