| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kevin Brown | SDN | 8.11 | 199809100_LAN_SDN |
| Tom Glavine | ATL | 5.92 | 199809090_ATL_WAS |
| Roger Clemens | TOR | 5.52 | 199809110_TOR_NYA |
| Al Leiter | NYN | 4.27 | 199809100_NYN_PHI |
| Kenny Rogers | OAK | 3.6 | 199809110_OAK_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Cloude | SEA | -4.02 | 199809112_SEA_KCA |
| Bobby Witt | SLN | -2.62 | 199809090_SLN_CIN |
| Jamey Wright | COL | -2.3 | 199809110_COL_SFN |
| Brian Powell | DET | -2.26 | 199809110_DET_BOS |
| Charles Nagy | CLE | -1.89 | 199809110_CHA_CLE |
Based on accumulated WAA for this season up to 1998-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.3 | Greg Maddux | 232.7 | ATL |
| +002+ | 11.35 | Kevin Brown | 236 | SDN |
| +006+ | 9.03 | Tom Glavine | 209.3 | ATL |
| +008+ | 8.63 | Pedro Martinez | 213.3 | BOS |
| +009+ | 8.61 | Roger Clemens | 211 | TOR |
| +011+ | 8.16 | Al Leiter | 172.7 | NYN |
| +017+ | 7.66 | Kenny Rogers | 219.7 | OAK |
| +025+ | 6.52 | Curt Schilling | 243.7 | PHI |
| +026+ | 6.15 | Dustin Hermanson | 170.7 | WAS |
| +034+ | 5.6 | Randy Johnson | 223 | TOT |
| +038+ | 5.51 | Andy Ashby | 214 | SDN |
| +040+ | 5.45 | Francisco Cordova | 200.3 | PIT |
| +041+ | 5.44 | Chuck Finley | 210.3 | ANA |
| +045+ | 5.24 | David Wells | 198 | NYA |
| +046+ | 5.23 | Pete Harnisch | 189 | CIN |
| +048+ | 5.21 | Omar Daal | 141.7 | ARI |
| +053+ | 5.11 | Brian Bohanon | 134.7 | TOT |
| +054+ | 5.01 | John Smoltz | 156.7 | ATL |
| +057+ | 4.84 | Jamie Moyer | 212.3 | SEA |
| +068+ | 4.27 | Mike Mussina | 177.3 | BAL |
| +070+ | 4.03 | Jose Lima | 213.3 | HOU |
| +071+ | 4.01 | Mike Hampton | 192.7 | HOU |
| +072+ | 4 | David Cone | 188 | NYA |
| +086+ | 3.51 | Rolando Arrojo | 193.7 | TBA |
| +088+ | 3.46 | Matt Morris | 93.7 | SLN |
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