| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Castillo | DET | -5.35 | 199807130_KCA_DET |
| Doug Drabek | BAL | -4.43 | 199807120_BOS_BAL |
| Darren Oliver | TEX | -2.93 | 199807120_TEX_OAK |
| Pedro Astacio | COL | -2.14 | 199807120_SFN_COL |
| Ken Cloude | SEA | -1.87 | 199807130_TEX_SEA |
Based on accumulated WAA for this season up to 1998-07-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.2 | Greg Maddux | 154.3 | ATL |
| +006+ | 6.75 | Andy Ashby | 150 | SDN |
| +010+ | 5.8 | Kevin Brown | 140.7 | SDN |
| +012+ | 5.42 | Bartolo Colon | 130 | CLE |
| +015+ | 4.96 | Kenny Rogers | 135.7 | OAK |
| +018+ | 4.71 | Pedro Martinez | 133.3 | BOS |
| +019+ | 4.69 | Tom Glavine | 129.3 | ATL |
| +021+ | 4.61 | Rick Reed | 127.3 | NYN |
| +023+ | 4.54 | Curt Schilling | 154 | PHI |
| +027+ | 4.06 | Rolando Arrojo | 127.7 | TBA |
| +028+ | 4.01 | Chuck Finley | 137 | ANA |
| +030+ | 3.83 | Pete Harnisch | 125.3 | CIN |
| +031+ | 3.82 | Mike Hampton | 113.3 | HOU |
| +032+ | 3.81 | Todd Stottlemyre | 153.3 | SLN |
| +035+ | 3.58 | Denny Neagle | 139 | ATL |
| +036+ | 3.53 | Shane Reynolds | 143.3 | HOU |
| +041+ | 3.35 | Brad Radke | 125.3 | MIN |
| +061+ | 2.89 | Hideki Irabu | 92 | NYA |
| +062+ | 2.88 | Jamie Moyer | 134 | SEA |
| +064+ | 2.86 | Andy Pettitte | 137 | NYA |
| +066+ | 2.85 | Sean Bergman | 97.7 | HOU |
| +070+ | 2.78 | Dustin Hermanson | 96.3 | WAS |
| +072+ | 2.7 | Roger Clemens | 126.3 | TOR |
| +076+ | 2.63 | Francisco Cordova | 120.3 | PIT |
| +080+ | 2.56 | Dave Burba | 126.7 | CLE |
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