| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | ATL | 12.63 | 199809020_HOU_ATL |
| Andy Ashby | SDN | 2.95 | 199809020_NYN_SDN |
| Chuck Finley | ANA | 2.93 | 199809010_ANA_CLE |
| Omar Daal | ARI | 2.4 | 199809010_ARI_PIT |
| Rick Reed | NYN | 1.86 | 199808310_NYN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Astacio | COL | -4.81 | 199809020_COL_MIL |
| Frank Castillo | DET | -3.63 | 199809010_TEX_DET |
| Doug Drabek | BAL | -3.16 | 199809010_CHA_BAL |
| John Burkett | TEX | -3.01 | 199809010_TEX_DET |
| Javier Vazquez | WAS | -2.41 | 199809020_WAS_SFN |
Based on accumulated WAA for this season up to 1998-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.56 | Greg Maddux | 225.7 | ATL |
| +005+ | 10.31 | Kevin Brown | 220 | SDN |
| +006+ | 8.46 | Tom Glavine | 196.3 | ATL |
| +007+ | 8.42 | Roger Clemens | 198 | TOR |
| +008+ | 8.39 | Pedro Martinez | 199 | BOS |
| +016+ | 7.12 | Al Leiter | 156.7 | NYN |
| +024+ | 6.34 | Omar Daal | 137.7 | ARI |
| +025+ | 6.32 | Curt Schilling | 230.7 | PHI |
| +026+ | 6.22 | Kenny Rogers | 201.7 | OAK |
| +027+ | 6.02 | Andy Ashby | 209 | SDN |
| +032+ | 5.71 | Chuck Finley | 196.7 | ANA |
| +035+ | 5.36 | Francisco Cordova | 187.3 | PIT |
| +038+ | 5.22 | David Wells | 190 | NYA |
| +043+ | 5.04 | Rick Reed | 187.3 | NYN |
| +047+ | 4.81 | Brian Bohanon | 119.7 | TOT |
| +050+ | 4.7 | Randy Johnson | 214 | TOT |
| +051+ | 4.69 | Dustin Hermanson | 156.7 | WAS |
| +053+ | 4.47 | Pete Harnisch | 176 | CIN |
| +063+ | 4.12 | Jamie Moyer | 205.3 | SEA |
| +065+ | 4.08 | Matt Morris | 79.3 | SLN |
| +071+ | 3.85 | Mike Mussina | 169.3 | BAL |
| +073+ | 3.78 | Kerry Wood | 166.7 | CHN |
| +075+ | 3.72 | John Smoltz | 140.7 | ATL |
| +076+ | 3.67 | Rolando Arrojo | 181 | TBA |
| +079+ | 3.62 | Denny Neagle | 202.3 | ATL |
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