| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kevin Brown | SDN | 7.81 | 199808300_WAS_SDN |
| Tom Glavine | ATL | 5.69 | 199808290_ATL_SLN |
| 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 |
|---|---|---|---|
| Chris Haney | KCA | -3.44 | 199808300_KCA_BAL |
| Darryl Kile | COL | -2.95 | 199808300_CHN_COL |
| Ken Cloude | SEA | -2.8 | 199808290_SEA_NYA |
| Charles Nagy | CLE | -2.53 | 199808300_OAK_CLE |
| Darren Oliver | SLN | -1.91 | 199808310_SLN_MIA |
Based on accumulated WAA for this season up to 1998-08-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.66 | Greg Maddux | 218.7 | ATL |
| +004+ | 10.29 | Kevin Brown | 220 | SDN |
| +006+ | 8.45 | Tom Glavine | 196.3 | ATL |
| +007+ | 8.41 | Roger Clemens | 198 | TOR |
| +008+ | 8.39 | Pedro Martinez | 199 | BOS |
| +015+ | 7.1 | Al Leiter | 156.7 | NYN |
| +022+ | 6.33 | Andy Ashby | 204 | SDN |
| +023+ | 6.29 | Chuck Finley | 192.3 | ANA |
| +024+ | 6.27 | Curt Schilling | 230.7 | PHI |
| +025+ | 6.19 | Kenny Rogers | 201.7 | OAK |
| +031+ | 5.72 | Omar Daal | 129.7 | ARI |
| +036+ | 5.38 | Francisco Cordova | 187.3 | PIT |
| +043+ | 5.01 | Rick Reed | 187.3 | NYN |
| +046+ | 4.8 | Brian Bohanon | 119.7 | TOT |
| +050+ | 4.67 | Bartolo Colon | 187 | CLE |
| +051+ | 4.66 | Dustin Hermanson | 156.7 | WAS |
| +053+ | 4.43 | Pete Harnisch | 176 | CIN |
| +055+ | 4.29 | David Wells | 181 | NYA |
| +064+ | 4.07 | Randy Johnson | 206 | TOT |
| +065+ | 4.07 | Jamie Moyer | 199 | SEA |
| +069+ | 3.84 | Mike Mussina | 169.3 | BAL |
| +070+ | 3.83 | Denny Neagle | 196.3 | ATL |
| +073+ | 3.77 | Kerry Wood | 166.7 | CHN |
| +075+ | 3.71 | John Smoltz | 140.7 | ATL |
| +077+ | 3.66 | Rolando Arrojo | 181 | TBA |
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