| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | ATL | 11.03 | 199809270_NYN_ATL |
| Kevin Brown | SDN | 9.84 | 199809250_SDN_ARI |
| Roger Clemens | TOR | 6.3 | 199809260_DET_TOR |
| Al Leiter | NYN | 4.96 | 199809260_NYN_ATL |
| Curt Schilling | PHI | 3.04 | 199809261_PHI_MIA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jamey Wright | COL | -2.41 | 199809270_SFN_COL |
| Carlton Loewer | PHI | -2.29 | 199809272_PHI_MIA |
| Eric Milton | MIN | -2.19 | 199809270_CLE_MIN |
| Jason Bere | CIN | -1.83 | 199809250_PIT_CIN |
| Mike Sirotka | CHA | -1.49 | 199809250_CHA_KCA |
Based on accumulated WAA for this season up to 1998-09-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.04 | Greg Maddux | 251 | ATL |
| +004+ | 12.11 | Kevin Brown | 257 | SDN |
| +006+ | 10.58 | Tom Glavine | 229.3 | ATL |
| +010+ | 9.65 | Roger Clemens | 234.7 | TOR |
| +013+ | 8.64 | Al Leiter | 193 | NYN |
| +014+ | 8.56 | Pedro Martinez | 233.7 | BOS |
| +020+ | 7.43 | Kenny Rogers | 238.7 | OAK |
| +024+ | 7.06 | Curt Schilling | 268.7 | PHI |
| +026+ | 6.55 | Randy Johnson | 244.3 | TOT |
| +030+ | 6.33 | Pete Harnisch | 209 | CIN |
| +032+ | 6.16 | Brian Bohanon | 151.7 | TOT |
| +033+ | 6.07 | John Smoltz | 167.7 | ATL |
| +034+ | 6.04 | Omar Daal | 162.7 | ARI |
| +035+ | 5.92 | Dustin Hermanson | 187 | WAS |
| +041+ | 5.7 | Francisco Cordova | 220.3 | PIT |
| +042+ | 5.64 | Andy Ashby | 226.7 | SDN |
| +055+ | 5.16 | Carlos Perez | 241 | TOT |
| +057+ | 5.11 | Mike Hampton | 211.7 | HOU |
| +065+ | 4.83 | Matt Morris | 113.7 | SLN |
| +068+ | 4.73 | Mike Mussina | 206.3 | BAL |
| +072+ | 4.58 | Shane Reynolds | 233.3 | HOU |
| +073+ | 4.55 | David Wells | 214.3 | NYA |
| +075+ | 4.53 | Rick Reed | 212.3 | NYN |
| +080+ | 4.17 | Orlando Hernandez | 141 | NYA |
| +083+ | 4.08 | David Cone | 207.7 | NYA |
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