| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rick Reuschel | PIT | 9.26 | 198708010_PIT_SLN |
| Charlie Leibrandt | KCA | 6.87 | 198708010_BOS_KCA |
| Jimmy Key | TOR | 6.51 | 198707310_CLE_TOR |
| Dwight Gooden | NYN | 4.04 | 198707300_NYN_SLN |
| Roger Clemens | BOS | 3.58 | 198707310_BOS_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Dixon | BAL | -4.13 | 198708010_BAL_TEX |
| Phil Niekro | CLE | -3.32 | 198707310_CLE_TOR |
| Jeff Sellers | BOS | -2 | 198708010_BOS_KCA |
| Bob Knepper | HOU | -1.82 | 198707300_HOU_ATL |
| Mike Moore | SEA | -1.53 | 198708010_SEA_ANA |
Based on accumulated WAA for this season up to 1987-08-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.1 | Orel Hershiser | 168.3 | LAN |
| +004+ | 6.92 | Charlie Leibrandt | 164.3 | KCA |
| +005+ | 6.78 | Rick Reuschel | 158.7 | PIT |
| +006+ | 6.03 | Frank Viola | 171.3 | MIN |
| +007+ | 5.95 | Jimmy Key | 177.7 | TOR |
| +008+ | 5.82 | Bret Saberhagen | 168 | KCA |
| +010+ | 5.61 | Mike Scott | 157 | HOU |
| +013+ | 4.84 | Roger Clemens | 180.3 | BOS |
| +018+ | 3.91 | Jim Clancy | 163.7 | TOR |
| +020+ | 3.75 | Bob Welch | 166.3 | LAN |
| +021+ | 3.67 | Terry Leach | 86 | NYN |
| +026+ | 3.58 | Rick Sutcliffe | 150.7 | CHN |
| +028+ | 3.51 | Dwight Gooden | 90.7 | NYN |
| +030+ | 3.46 | Nolan Ryan | 123.3 | HOU |
| +032+ | 3.44 | Dave Stewart | 162.7 | OAK |
| +037+ | 3.3 | Frank Tanana | 154.7 | DET |
| +039+ | 3.27 | Danny Darwin | 146.3 | HOU |
| +043+ | 3.15 | Dave Schmidt | 108.3 | BAL |
| +049+ | 3.03 | Ron Guidry | 78.3 | NYA |
| +050+ | 2.98 | Mike Boddicker | 148.3 | BAL |
| +060+ | 2.79 | Rick Rhoden | 138.7 | NYA |
| +069+ | 2.64 | Sid Fernandez | 125.7 | NYN |
| +075+ | 2.43 | Juan Berenguer | 83 | MIN |
| +076+ | 2.42 | Mark Gubicza | 149.3 | KCA |
| +080+ | 2.37 | Steve Ontiveros | 85.7 | OAK |
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