| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 14.11 | 198807151_KCA_BOS |
| Orel Hershiser | LAN | 6.8 | 198807100_PIT_LAN |
| John Tudor | SLN | 4.97 | 198807150_SDN_SLN |
| Ted Higuera | MIL | 4.43 | 198807150_MIL_TEX |
| Greg Maddux | CHN | 4.37 | 198807150_LAN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobby Witt | TEX | -4.55 | 198807100_TEX_BAL |
| Tom Glavine | ATL | -3.69 | 198807100_WAS_ATL |
| Willie Fraser | ANA | -3.65 | 198807100_ANA_CLE |
| Mike Smithson | BOS | -3.4 | 198807152_KCA_BOS |
| Jeff Ballard | BAL | -1.16 | 198807150_MIN_BAL |
Based on accumulated WAA for this season up to 1988-07-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.28 | Greg Maddux | 164.7 | CHN |
| +002+ | 6.18 | Roger Clemens | 168.7 | BOS |
| +004+ | 5.31 | Frank Viola | 141 | MIN |
| +008+ | 4.45 | Pascual Perez | 91.3 | WAS |
| +013+ | 4.18 | Mark Gubicza | 139.7 | KCA |
| +021+ | 3.71 | Orel Hershiser | 140.3 | LAN |
| +022+ | 3.69 | John Tudor | 108.3 | SLN |
| +024+ | 3.6 | David Cone | 122.7 | NYN |
| +025+ | 3.56 | Bob Knepper | 110.7 | HOU |
| +026+ | 3.52 | Teddy Higuera | 119 | MIL |
| +027+ | 3.51 | Bob Walk | 128 | PIT |
| +029+ | 3.31 | Dennis Martinez | 132 | WAS |
| +032+ | 2.89 | Tim Leary | 116.7 | LAN |
| +033+ | 2.84 | Dave LaPoint | 128.7 | CHA |
| +035+ | 2.73 | Jose Rijo | 101.3 | CIN |
| +036+ | 2.72 | John Smiley | 119 | PIT |
| +039+ | 2.61 | Jimmy Key | 48.3 | TOR |
| +041+ | 2.58 | Andy Hawkins | 127.7 | SDN |
| +042+ | 2.54 | Kevin Gross | 141.3 | PHI |
| +043+ | 2.5 | Allan Anderson | 105 | MIN |
| +046+ | 2.41 | John Candelaria | 118.3 | NYA |
| +045+ | 2.41 | Dwight Gooden | 142.7 | NYN |
| +047+ | 2.37 | Dave Stieb | 116.7 | TOR |
| +051+ | 2.3 | Ron Darling | 139 | NYN |
| +053+ | 2.28 | Jeff Robinson | 110.3 | DET |
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