| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 15.18 | 198807200_MIN_BOS |
| Frank Viola | MIN | 7.08 | 198807220_BAL_MIN |
| Orel Hershiser | LAN | 5.48 | 198807210_LAN_PIT |
| Ted Higuera | MIL | 5.15 | 198807200_KCA_MIL |
| Greg Maddux | CHN | 5.03 | 198807200_SFN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Fraser | ANA | -4.35 | 198807200_TOR_ANA |
| Tom Glavine | ATL | -3.49 | 198807221_ATL_NYN |
| Oil Can Boyd | BOS | -2.69 | 198807210_CHA_BOS |
| Ted Power | KCA | -2.23 | 198807220_NYA_KCA |
| Ed Whitson | SDN | -1.81 | 198807210_SDN_CHN |
Based on accumulated WAA for this season up to 1988-07-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.12 | Roger Clemens | 175 | BOS |
| +003+ | 6.11 | Frank Viola | 154 | MIN |
| +004+ | 5.53 | Greg Maddux | 169.7 | CHN |
| +012+ | 4.46 | Pascual Perez | 98.3 | WAS |
| +013+ | 4.44 | Mark Gubicza | 153.3 | KCA |
| +016+ | 4.31 | Teddy Higuera | 128 | MIL |
| +019+ | 4.24 | David Cone | 131.7 | NYN |
| +021+ | 4.11 | Dennis Martinez | 148 | WAS |
| +026+ | 3.79 | Orel Hershiser | 153.7 | LAN |
| +027+ | 3.74 | Bob Walk | 135 | PIT |
| +029+ | 3.65 | Tim Leary | 125.7 | LAN |
| +031+ | 3.17 | Dwight Gooden | 157.7 | NYN |
| +032+ | 3.11 | Danny Jackson | 143.7 | CIN |
| +033+ | 3.05 | John Tudor | 113 | SLN |
| +034+ | 3 | Jose Rijo | 106.3 | CIN |
| +039+ | 2.77 | John Smiley | 124 | PIT |
| +040+ | 2.74 | Jeff Robinson | 126.3 | DET |
| +043+ | 2.59 | Larry McWilliams | 100.3 | SLN |
| +045+ | 2.51 | Kevin Gross | 147.7 | PHI |
| +052+ | 2.43 | Dave LaPoint | 132.7 | CHA |
| +051+ | 2.43 | Jim Deshaies | 118.7 | HOU |
| +056+ | 2.3 | Bob Knepper | 122 | HOU |
| +057+ | 2.27 | Joe Magrane | 72.3 | SLN |
| +059+ | 2.24 | Don Robinson | 70.3 | SFN |
| +060+ | 2.23 | Allan Anderson | 108.7 | MIN |
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