| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | 8.08 | 198809050_SEA_MIN |
| David Cone | NYN | 6.58 | 198809050_NYN_PIT |
| Dennis Martinez | WAS | 5.52 | 198809060_WAS_SLN |
| Mark Gubicza | KCA | 4.9 | 198809060_ANA_KCA |
| Tim Leary | LAN | 3.79 | 198809070_HOU_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Fraser | ANA | -8.88 | 198809050_ANA_KCA |
| Bert Blyleven | MIN | -4.88 | 198809060_SEA_MIN |
| Mike Smithson | BOS | -3.83 | 198809050_BOS_BAL |
| Jay Tibbs | BAL | -2.9 | 198809060_BOS_BAL |
| Tom Glavine | ATL | -2.36 | 198809070_ATL_SFN |
Based on accumulated WAA for this season up to 1988-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.12 | Frank Viola | 223.3 | MIN |
| +006+ | 6.67 | Teddy Higuera | 197 | MIL |
| +007+ | 6.56 | Dennis Martinez | 220 | WAS |
| +008+ | 6.49 | Danny Jackson | 225.7 | CIN |
| +009+ | 6.38 | David Cone | 191 | NYN |
| +011+ | 6.18 | Mark Gubicza | 227.7 | KCA |
| +015+ | 5.72 | Joe Magrane | 142.3 | SLN |
| +017+ | 5.37 | Tim Leary | 202.3 | LAN |
| +018+ | 5.26 | John Tudor | 173.3 | TOT |
| +021+ | 5.1 | Orel Hershiser | 221 | LAN |
| +024+ | 4.87 | Allan Anderson | 172.7 | MIN |
| +027+ | 4.84 | Mike Scott | 193.7 | HOU |
| +029+ | 4.75 | Pascual Perez | 154.3 | WAS |
| +033+ | 4.48 | Roger Clemens | 226.7 | BOS |
| +034+ | 4.45 | Bob Walk | 185.3 | PIT |
| +042+ | 3.69 | Don Robinson | 131.7 | SFN |
| +045+ | 3.43 | Jeff Robinson | 172 | DET |
| +049+ | 3.29 | Dwight Gooden | 213.3 | NYN |
| +055+ | 3.17 | Rick Reuschel | 198 | SFN |
| +053+ | 3.17 | Greg Swindell | 210.3 | CLE |
| +060+ | 3.02 | Dave LaPoint | 189.7 | TOT |
| +068+ | 2.88 | Bobby Ojeda | 175 | NYN |
| +069+ | 2.85 | John Smiley | 176.7 | PIT |
| +071+ | 2.75 | Greg Maddux | 216.3 | CHN |
| +073+ | 2.74 | Dave Stewart | 236.7 | OAK |
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