| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 13.91 | 198807300_MIL_BOS |
| Ted Higuera | MIL | 5.27 | 198807300_MIL_BOS |
| Pascual Perez | WAS | 4.94 | 198807290_SLN_WAS |
| John Tudor | SLN | 3.56 | 198807300_SLN_WAS |
| Mike Scott | HOU | 2.93 | 198807290_HOU_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Fraser | ANA | -6.8 | 198807290_ANA_CHA |
| Bert Blyleven | MIN | -2.99 | 198807290_MIN_CLE |
| Mike Moore | SEA | -2.48 | 198807300_OAK_SEA |
| Scott Bailes | CLE | -1.83 | 198807280_BAL_CLE |
| Oswaldo Peraza | BAL | -1.43 | 198807280_BAL_CLE |
Based on accumulated WAA for this season up to 1988-07-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.25 | Roger Clemens | 193 | BOS |
| +004+ | 5.78 | Frank Viola | 160 | MIN |
| +005+ | 5.46 | Greg Maddux | 176.7 | CHN |
| +015+ | 4.54 | Tim Leary | 143.7 | LAN |
| +016+ | 4.52 | Teddy Higuera | 144.3 | MIL |
| +017+ | 4.44 | Mark Gubicza | 161 | KCA |
| +021+ | 4.27 | Dennis Martinez | 155.7 | WAS |
| +022+ | 4.11 | David Cone | 135.3 | NYN |
| +023+ | 4.1 | John Tudor | 130.3 | SLN |
| +027+ | 3.98 | Pascual Perez | 108 | WAS |
| +028+ | 3.95 | Orel Hershiser | 161 | LAN |
| +029+ | 3.74 | Bob Walk | 140 | PIT |
| +031+ | 3.62 | Jose Rijo | 121 | CIN |
| +032+ | 3.59 | Danny Jackson | 152 | CIN |
| +033+ | 3.45 | Dwight Gooden | 166 | NYN |
| +036+ | 3.29 | Jeff Robinson | 135.3 | DET |
| +040+ | 3.04 | Rick Reuschel | 144.3 | SFN |
| +042+ | 2.84 | John Smiley | 139.3 | PIT |
| +043+ | 2.82 | Allan Anderson | 122.3 | MIN |
| +048+ | 2.68 | Mike Scott | 138.7 | HOU |
| +049+ | 2.66 | Charlie Hough | 172.3 | TEX |
| +054+ | 2.49 | Joe Magrane | 80 | SLN |
| +057+ | 2.38 | Bob Knepper | 128 | HOU |
| +060+ | 2.28 | Jimmy Key | 58.7 | TOR |
| +067+ | 2.1 | Jamie Moyer | 130.7 | CHN |
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