| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | ATL | 14.7 | 199808180_SFN_ATL |
| Andy Ashby | SDN | 6 | 199808180_SDN_MIA |
| Pedro Martinez | BOS | 3.44 | 199808181_TEX_BOS |
| Al Leiter | NYN | 3.34 | 199808181_COL_NYN |
| Chuck Finley | ANA | 3.04 | 199808180_CHA_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| John Burkett | TEX | -3.05 | 199808181_TEX_BOS |
| Pedro Astacio | COL | -2.73 | 199808181_COL_NYN |
| Charles Nagy | CLE | -2.46 | 199808190_CLE_TEX |
| Ken Cloude | SEA | -2.12 | 199808190_TOR_SEA |
| Blake Stein | OAK | -1.82 | 199808190_CHA_OAK |
Based on accumulated WAA for this season up to 1998-08-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.31 | Greg Maddux | 206.7 | ATL |
| +003+ | 8.84 | Kevin Brown | 197.7 | SDN |
| +004+ | 8.53 | Andy Ashby | 196.7 | SDN |
| +007+ | 7.97 | Tom Glavine | 181.3 | ATL |
| +010+ | 6.96 | Pedro Martinez | 185 | BOS |
| +014+ | 6.66 | Al Leiter | 141.7 | NYN |
| +023+ | 5.87 | Chuck Finley | 179.7 | ANA |
| +024+ | 5.8 | Kenny Rogers | 181.7 | OAK |
| +030+ | 5.44 | Roger Clemens | 171 | TOR |
| +031+ | 5.41 | Curt Schilling | 205.7 | PHI |
| +034+ | 5.24 | Bartolo Colon | 176 | CLE |
| +035+ | 5.16 | Omar Daal | 115.3 | ARI |
| +039+ | 4.99 | Francisco Cordova | 174.3 | PIT |
| +045+ | 4.22 | Dustin Hermanson | 142 | WAS |
| +054+ | 3.92 | Pete Harnisch | 160.7 | CIN |
| +056+ | 3.87 | Jamie Moyer | 185 | SEA |
| +058+ | 3.82 | Mike Mussina | 156.7 | BAL |
| +060+ | 3.79 | Orlando Hernandez | 99.3 | NYA |
| +062+ | 3.75 | David Cone | 163 | NYA |
| +063+ | 3.74 | Brian Bohanon | 104.3 | TOT |
| +065+ | 3.69 | Justin Thompson | 182.7 | DET |
| +067+ | 3.63 | Denny Neagle | 184 | ATL |
| +069+ | 3.53 | David Wells | 165 | NYA |
| +075+ | 3.36 | Brian Moehler | 173.3 | DET |
| +085+ | 3.05 | Matt Morris | 59.3 | SLN |
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