| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 8.27 | 198805090_BOS_KCA |
| Ted Higuera | MIL | 3.8 | 198805080_MIL_KCA |
| Ron Darling | NYN | 3.45 | 198805080_CIN_NYN |
| Jack Morris | DET | 2.08 | 198805090_DET_OAK |
| Charlie Hough | TEX | 1.73 | 198805100_BAL_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | CHA | -2.53 | 198805090_CHA_BAL |
| Dan Petry | ANA | -2.38 | 198805090_CLE_ANA |
| Ed Whitson | SDN | -2.11 | 198805090_SDN_SLN |
| Rick Mahler | ATL | -2.03 | 198805090_WAS_ATL |
| Al Nipper | CHN | -1.56 | 198805080_SFN_CHN |
Based on accumulated WAA for this season up to 1988-05-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.95 | Ron Darling | 55 | NYN |
| +004+ | 2.88 | Roger Clemens | 67 | BOS |
| +005+ | 2.53 | Larry McWilliams | 32.3 | SLN |
| +007+ | 2.39 | Bob Knepper | 35 | HOU |
| +008+ | 2.36 | Dave LaPoint | 51 | CHA |
| +009+ | 2.33 | Kevin Gross | 52.7 | PHI |
| +010+ | 2.31 | Orel Hershiser | 47.7 | LAN |
| +011+ | 2.26 | Bob Walk | 40 | PIT |
| +012+ | 2.24 | Pascual Perez | 53 | WAS |
| +015+ | 2.16 | Chris Bosio | 58 | MIL |
| +016+ | 2.14 | Dwight Gooden | 53 | NYN |
| +017+ | 2.11 | Mike Scott | 56 | HOU |
| +019+ | 2.1 | Greg Swindell | 57.7 | CLE |
| +020+ | 2.05 | Rick Reuschel | 42.7 | SFN |
| +022+ | 2 | Dave Stewart | 63.3 | OAK |
| +024+ | 1.94 | Danny Jackson | 53 | CIN |
| +028+ | 1.82 | Tom Candiotti | 52.3 | CLE |
| +030+ | 1.78 | Teddy Higuera | 47 | MIL |
| +031+ | 1.77 | John Farrell | 54 | CLE |
| +034+ | 1.64 | Charlie Hough | 61.3 | TEX |
| +036+ | 1.61 | John Tudor | 20 | SLN |
| +037+ | 1.61 | Frank Viola | 59.3 | MIN |
| +038+ | 1.6 | Jim Deshaies | 38 | HOU |
| +039+ | 1.6 | Greg Maddux | 54.3 | CHN |
| +041+ | 1.58 | Paul Kilgus | 44.7 | TEX |
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