| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kevin Brown | SDN | 8.04 | 199809050_SDN_COL |
| Roger Clemens | TOR | 5.17 | 199809050_BOS_TOR |
| Omar Daal | ARI | 2.77 | 199809060_HOU_ARI |
| Kenny Rogers | OAK | 2.71 | 199809050_TBA_OAK |
| Chuck Finley | ANA | 2.22 | 199809060_KCA_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Astacio | COL | -6.22 | 199809070_MIA_COL |
| Ken Cloude | SEA | -4.08 | 199809050_BAL_SEA |
| Doug Drabek | BAL | -3.86 | 199809070_BAL_SEA |
| Brian Powell | DET | -2.46 | 199809050_CLE_DET |
| Darren Oliver | SLN | -2.07 | 199809070_CHN_SLN |
Based on accumulated WAA for this season up to 1998-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.55 | Greg Maddux | 225.7 | ATL |
| +005+ | 10.58 | Kevin Brown | 227 | SDN |
| +006+ | 8.76 | Tom Glavine | 203.3 | ATL |
| +007+ | 8.74 | Roger Clemens | 206 | TOR |
| +010+ | 8.45 | Pedro Martinez | 206 | BOS |
| +013+ | 7.8 | Al Leiter | 165.7 | NYN |
| +018+ | 7.1 | Kenny Rogers | 210.7 | OAK |
| +025+ | 6.48 | Curt Schilling | 237.7 | PHI |
| +024+ | 6.48 | Chuck Finley | 204.7 | ANA |
| +028+ | 6.01 | Francisco Cordova | 196.3 | PIT |
| +029+ | 6 | Andy Ashby | 209 | SDN |
| +034+ | 5.55 | Randy Johnson | 223 | TOT |
| +041+ | 5.39 | Dustin Hermanson | 163.7 | WAS |
| +045+ | 5.2 | Omar Daal | 141.7 | ARI |
| +046+ | 5.2 | David Wells | 198 | NYA |
| +048+ | 5.14 | Rick Reed | 195 | NYN |
| +052+ | 4.78 | Jamie Moyer | 212.3 | SEA |
| +054+ | 4.67 | Pete Harnisch | 182 | CIN |
| +055+ | 4.64 | John Smoltz | 149.7 | ATL |
| +060+ | 4.46 | Brian Bohanon | 126.7 | TOT |
| +061+ | 4.36 | Matt Morris | 86.3 | SLN |
| +066+ | 4.24 | Mike Mussina | 177.3 | BAL |
| +074+ | 3.88 | Rolando Arrojo | 187.7 | TBA |
| +083+ | 3.6 | Mike Hampton | 185 | HOU |
| +084+ | 3.58 | Jose Lima | 205.3 | HOU |
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