| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Scott | HOU | 9.38 | 198705180_HOU_PIT |
| Bob Welch | LAN | 6.22 | 198705160_LAN_WAS |
| 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 |
|---|---|---|---|
| Scott McGregor | BAL | -3.33 | 198705160_BAL_ANA |
| Mark Langston | SEA | -2.5 | 198705180_BAL_SEA |
| Phil Niekro | CLE | -2.11 | 198705160_CLE_DET |
| Neal Heaton | WAS | -1.7 | 198705180_SFN_WAS |
| Jeff Sellers | BOS | -1.41 | 198705170_BOS_MIN |
Based on accumulated WAA for this season up to 1987-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.93 | Mike Scott | 74 | HOU |
| +003+ | 3.26 | Bret Saberhagen | 58 | KCA |
| +004+ | 3.02 | Charles Hudson | 58 | NYA |
| +005+ | 2.93 | Mike Boddicker | 64.3 | BAL |
| +006+ | 2.85 | Curt Young | 67 | OAK |
| +007+ | 2.8 | Rick Honeycutt | 41.3 | LAN |
| +011+ | 2.57 | Rick Reuschel | 55.7 | PIT |
| +013+ | 2.51 | Sid Fernandez | 53 | NYN |
| +015+ | 2.3 | Walt Terrell | 61 | DET |
| +016+ | 2.24 | Dennis Rasmussen | 60.7 | NYA |
| +017+ | 2.23 | Charlie Leibrandt | 54 | KCA |
| +019+ | 2.12 | Nolan Ryan | 51.3 | HOU |
| +020+ | 2.08 | Roger Clemens | 60.3 | BOS |
| +021+ | 2.05 | Jim Clancy | 59.3 | TOR |
| +026+ | 1.88 | Bruce Hurst | 58.3 | BOS |
| +028+ | 1.82 | Joe Magrane | 31.3 | SLN |
| +038+ | 1.69 | Willie Fraser | 38.7 | ANA |
| +042+ | 1.6 | Juan Berenguer | 31 | MIN |
| +043+ | 1.6 | Buddy Black | 28.7 | KCA |
| +045+ | 1.56 | Fernando Valenzuela | 60.7 | LAN |
| +055+ | 1.45 | Dennis Eckersley | 31.7 | OAK |
| +056+ | 1.44 | Orel Hershiser | 68 | LAN |
| +058+ | 1.43 | Rick Sutcliffe | 53 | CHN |
| +061+ | 1.35 | Lary Sorensen | 24 | WAS |
| +068+ | 1.27 | Frank Tanana | 50.7 | DET |
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