| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 10.95 | 198808091_BOS_MIL |
| Tim Leary | LAN | 4.73 | 198808070_LAN_HOU |
| Mike Scott | HOU | 3.93 | 198808080_LAN_HOU |
| David Cone | NYN | 3.93 | 198808070_NYN_PIT |
| Pascual Perez | WAS | 3.56 | 198808080_WAS_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Glavine | ATL | -3.67 | 198808070_SFN_ATL |
| Jim Clancy | TOR | -2.15 | 198808070_KCA_TOR |
| Mike Moore | SEA | -1.84 | 198808090_SEA_ANA |
| Rich Yett | CLE | -1.74 | 198808070_CLE_TEX |
| Jeff Ballard | BAL | -1.54 | 198808070_MIL_BAL |
Based on accumulated WAA for this season up to 1988-08-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.37 | Roger Clemens | 206.3 | BOS |
| +003+ | 6.3 | Frank Viola | 175 | MIN |
| +006+ | 5.86 | Dennis Martinez | 174 | WAS |
| +010+ | 5.24 | Tim Leary | 158.7 | LAN |
| +011+ | 5.2 | David Cone | 152.3 | NYN |
| +014+ | 4.96 | Mark Gubicza | 176.3 | KCA |
| +020+ | 4.45 | Jeff Robinson | 153 | DET |
| +022+ | 4.26 | Teddy Higuera | 150.7 | MIL |
| +023+ | 4.25 | Danny Jackson | 174 | CIN |
| +027+ | 4.09 | John Tudor | 137.3 | SLN |
| +028+ | 3.98 | Mike Scott | 155.7 | HOU |
| +029+ | 3.97 | Bob Walk | 152.3 | PIT |
| +031+ | 3.94 | Orel Hershiser | 175 | LAN |
| +034+ | 3.87 | Pascual Perez | 121.3 | WAS |
| +036+ | 3.61 | Jose Rijo | 135.3 | CIN |
| +037+ | 3.6 | Allan Anderson | 138 | MIN |
| +039+ | 3.28 | Greg Maddux | 185 | CHN |
| +042+ | 3.07 | Dwight Gooden | 178.3 | NYN |
| +049+ | 2.64 | Dave Stewart | 203 | OAK |
| +056+ | 2.44 | Charlie Hough | 181.3 | TEX |
| +063+ | 2.29 | Rick Reuschel | 152.3 | SFN |
| +066+ | 2.24 | Joe Magrane | 91.7 | SLN |
| +070+ | 2.19 | John Smiley | 141.7 | PIT |
| +072+ | 2.16 | Bobby Ojeda | 144 | NYN |
| +073+ | 2.15 | Ron Darling | 163 | NYN |
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