| Starter | Tm | Tier | Game |
|---|---|---|---|
| Orel Hershiser | LAN | 10.14 | 198709130_LAN_ATL |
| Frank Viola | MIN | 6.96 | 198709140_MIN_CHA |
| Nolan Ryan | HOU | 5.71 | 198709140_HOU_LAN |
| Roger Clemens | BOS | 4.78 | 198709140_BOS_DET |
| Doyle Alexander | DET | 1.52 | 198709140_BOS_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Schrom | CLE | -6.1 | 198709150_CLE_SEA |
| Tom Browning | CIN | -3.44 | 198709130_SFN_CIN |
| Ken Dixon | BAL | -2.91 | 198709140_BAL_TOR |
| Al Nipper | BOS | -2.17 | 198709150_BOS_DET |
| Bob Knepper | HOU | -2.15 | 198709150_HOU_LAN |
Based on accumulated WAA for this season up to 1987-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.65 | Orel Hershiser | 236 | LAN |
| +004+ | 7.76 | Jimmy Key | 227.7 | TOR |
| +006+ | 7.57 | Rick Reuschel | 209 | TOT |
| +008+ | 6.99 | Charlie Leibrandt | 221.7 | KCA |
| +009+ | 6.96 | Frank Viola | 231 | MIN |
| +010+ | 6.9 | Nolan Ryan | 182.7 | HOU |
| +015+ | 5.96 | Bret Saberhagen | 226 | KCA |
| +018+ | 5.85 | Roger Clemens | 246 | BOS |
| +020+ | 5.59 | Mike Scott | 219.7 | HOU |
| +026+ | 4.78 | Mike Dunne | 139 | PIT |
| +036+ | 4.16 | Bob Welch | 218.3 | LAN |
| +037+ | 4.15 | Doyle Alexander | 171.3 | TOT |
| +045+ | 3.75 | Dave Stewart | 226 | OAK |
| +048+ | 3.71 | Jack Morris | 219 | DET |
| +051+ | 3.62 | Dave Dravecky | 168 | TOT |
| +053+ | 3.5 | Dwight Gooden | 150.3 | NYN |
| +061+ | 3.25 | Jim Clancy | 218.3 | TOR |
| +066+ | 3.05 | Atlee Hammaker | 152 | SFN |
| +067+ | 3.03 | Danny Darwin | 177.7 | HOU |
| +074+ | 2.82 | Mark Langston | 245 | SEA |
| +079+ | 2.69 | Rick Sutcliffe | 206.7 | CHN |
| +083+ | 2.66 | Dennis Martinez | 127.3 | WAS |
| +089+ | 2.57 | Terry Leach | 120 | NYN |
| +090+ | 2.55 | Teddy Higuera | 230.3 | MIL |
| +095+ | 2.37 | Ron Robinson | 145 | CIN |
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