| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kevin Brown | SDN | 9.84 | 199809250_SDN_ARI |
| Pedro Martinez | BOS | 5.38 | 199809240_BAL_BOS |
| Kenny Rogers | OAK | 3.04 | 199809250_ANA_OAK |
| Randy Johnson | HOU | 2.43 | 199809230_HOU_SLN |
| Brian Bohanon | LAN | 2.24 | 199809230_SDN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Astacio | COL | -5.43 | 199809230_ARI_COL |
| Jaime Navarro | CHA | -4.85 | 199809240_CHA_KCA |
| Mike Oquist | OAK | -4.76 | 199809230_OAK_SEA |
| Ken Cloude | SEA | -4.46 | 199809230_OAK_SEA |
| John Burkett | TEX | -3.55 | 199809230_TEX_ANA |
Based on accumulated WAA for this season up to 1998-09-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 12.67 | Greg Maddux | 245 | ATL |
| +003+ | 12.13 | Kevin Brown | 257 | SDN |
| +006+ | 10.1 | Tom Glavine | 224.3 | ATL |
| +009+ | 9.76 | Roger Clemens | 226.7 | TOR |
| +011+ | 8.73 | Al Leiter | 187.7 | NYN |
| +013+ | 8.59 | Pedro Martinez | 233.7 | BOS |
| +020+ | 7.47 | Kenny Rogers | 238.7 | OAK |
| +024+ | 6.96 | Curt Schilling | 260.7 | PHI |
| +026+ | 6.6 | Randy Johnson | 244.3 | TOT |
| +030+ | 6.18 | Brian Bohanon | 151.7 | TOT |
| +031+ | 6.15 | Dustin Hermanson | 183 | WAS |
| +032+ | 6.09 | John Smoltz | 167.7 | ATL |
| +034+ | 6.07 | Omar Daal | 162.7 | ARI |
| +035+ | 6.06 | Pete Harnisch | 202 | CIN |
| +040+ | 5.7 | Francisco Cordova | 220.3 | PIT |
| +041+ | 5.65 | Andy Ashby | 226.7 | SDN |
| +046+ | 5.49 | Chuck Finley | 223.3 | ANA |
| +055+ | 5.14 | Jamie Moyer | 234.3 | SEA |
| +059+ | 5.07 | Matt Morris | 109.7 | SLN |
| +062+ | 4.92 | Carlos Perez | 234.3 | TOT |
| +063+ | 4.86 | Mike Mussina | 201.3 | BAL |
| +070+ | 4.58 | David Wells | 214.3 | NYA |
| +072+ | 4.55 | Mike Hampton | 205.7 | HOU |
| +073+ | 4.53 | Rick Reed | 212.3 | NYN |
| +077+ | 4.19 | Orlando Hernandez | 141 | NYA |
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