| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Scott | HOU | 7.17 | 198805230_HOU_PIT |
| Ted Higuera | MIL | 4.25 | 198805230_TOR_MIL |
| Orel Hershiser | LAN | 3.5 | 198805240_LAN_PHI |
| John Tudor | SLN | 2.89 | 198805220_HOU_SLN |
| Doyle Alexander | DET | 2.17 | 198805240_MIL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Moore | SEA | -2.81 | 198805220_SEA_BAL |
| Rich Yett | CLE | -2.63 | 198805220_CLE_KCA |
| Mike Smithson | BOS | -2.24 | 198805240_BOS_SEA |
| Rick Mahler | ATL | -1.78 | 198805220_ATL_PIT |
| Mike Boddicker | BAL | -1.41 | 198805230_BAL_OAK |
Based on accumulated WAA for this season up to 1988-05-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.75 | Roger Clemens | 86 | BOS |
| +004+ | 3.69 | Chris Bosio | 82 | MIL |
| +005+ | 3.32 | Bob Knepper | 50.3 | HOU |
| +006+ | 3.24 | Greg Swindell | 82.7 | CLE |
| +007+ | 3.09 | Greg Maddux | 81 | CHN |
| +008+ | 3.06 | Tom Candiotti | 78.3 | CLE |
| +009+ | 3.04 | Ron Darling | 70 | NYN |
| +011+ | 3.01 | Kevin Gross | 74.7 | PHI |
| +013+ | 2.99 | Dave LaPoint | 72 | CHA |
| +018+ | 2.58 | John Candelaria | 69.7 | NYA |
| +019+ | 2.57 | Paul Kilgus | 68.3 | TEX |
| +021+ | 2.55 | John Tudor | 39.7 | SLN |
| +022+ | 2.53 | Jim Deshaies | 53.3 | HOU |
| +023+ | 2.46 | Mike Scott | 76.7 | HOU |
| +026+ | 2.35 | David Cone | 46.3 | NYN |
| +027+ | 2.32 | Orel Hershiser | 69.7 | LAN |
| +028+ | 2.32 | Pascual Perez | 53 | WAS |
| +030+ | 2.28 | Larry McWilliams | 46.3 | SLN |
| +033+ | 2.07 | Frank Viola | 73.7 | MIN |
| +035+ | 2 | Dwight Gooden | 74.7 | NYN |
| +037+ | 1.97 | Jose Guzman | 68.7 | TEX |
| +042+ | 1.84 | Teddy Higuera | 64 | MIL |
| +063+ | 1.4 | Bob Walk | 56.7 | PIT |
| +065+ | 1.39 | Dave Stewart | 86.3 | OAK |
| +067+ | 1.38 | John Farrell | 69 | CLE |
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