| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | ATL | 13.78 | 199808280_ATL_SLN |
| Kevin Brown | SDN | 7.81 | 199808300_WAS_SDN |
| Pedro Martinez | BOS | 4.9 | 199808290_ANA_BOS |
| Roger Clemens | TOR | 4.45 | 199808300_MIN_TOR |
| Al Leiter | NYN | 3.81 | 199808290_NYN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Oquist | OAK | -4.52 | 199808280_OAK_CLE |
| John Burkett | TEX | -3.51 | 199808282_TEX_CHA |
| Chris Haney | KCA | -3.44 | 199808300_KCA_BAL |
| Darryl Kile | COL | -2.95 | 199808300_CHN_COL |
| Ken Cloude | SEA | -2.8 | 199808290_SEA_NYA |
Based on accumulated WAA for this season up to 1998-08-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.67 | Greg Maddux | 218.7 | ATL |
| +003+ | 10.3 | Kevin Brown | 220 | SDN |
| +006+ | 8.46 | Tom Glavine | 196.3 | ATL |
| +007+ | 8.42 | Roger Clemens | 198 | TOR |
| +008+ | 8.4 | Pedro Martinez | 199 | BOS |
| +015+ | 7.11 | Al Leiter | 156.7 | NYN |
| +022+ | 6.34 | Andy Ashby | 204 | SDN |
| +023+ | 6.3 | Chuck Finley | 192.3 | ANA |
| +024+ | 6.26 | Curt Schilling | 230.7 | PHI |
| +025+ | 6.19 | Kenny Rogers | 201.7 | OAK |
| +029+ | 5.73 | Omar Daal | 129.7 | ARI |
| +036+ | 5.39 | Francisco Cordova | 187.3 | PIT |
| +045+ | 4.81 | Brian Bohanon | 119.7 | TOT |
| +050+ | 4.67 | Bartolo Colon | 187 | CLE |
| +051+ | 4.66 | Dustin Hermanson | 156.7 | WAS |
| +052+ | 4.43 | Pete Harnisch | 176 | CIN |
| +055+ | 4.29 | David Wells | 181 | NYA |
| +063+ | 4.06 | Jamie Moyer | 199 | SEA |
| +062+ | 4.06 | Randy Johnson | 206 | TOT |
| +066+ | 3.85 | Mike Mussina | 169.3 | BAL |
| +067+ | 3.84 | Denny Neagle | 196.3 | ATL |
| +072+ | 3.8 | Kerry Wood | 160.7 | CHN |
| +076+ | 3.65 | Rolando Arrojo | 181 | TBA |
| +077+ | 3.58 | Matt Morris | 72.3 | SLN |
| +078+ | 3.56 | Jose Lima | 198.3 | HOU |
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