| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Astacio | COL | -4.32 | 199808270_CHN_COL |
| Chris Haney | KCA | -3.56 | 199808250_KCA_TOR |
| Darren Oliver | SLN | -2.67 | 199808260_MIA_SLN |
| Charles Nagy | CLE | -2.4 | 199808250_SEA_CLE |
| Brian Powell | DET | -1.74 | 199808250_DET_TEX |
Based on accumulated WAA for this season up to 1998-08-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.47 | Greg Maddux | 211.7 | ATL |
| +003+ | 9.7 | Kevin Brown | 211 | SDN |
| +006+ | 8.27 | Tom Glavine | 189.3 | ATL |
| +008+ | 7.69 | Pedro Martinez | 191 | BOS |
| +009+ | 7.55 | Andy Ashby | 200.3 | SDN |
| +011+ | 7.4 | Roger Clemens | 189 | TOR |
| +016+ | 6.84 | Al Leiter | 148.7 | NYN |
| +021+ | 6.46 | Kenny Rogers | 195 | OAK |
| +024+ | 6.19 | Chuck Finley | 192.3 | ANA |
| +025+ | 6.07 | Curt Schilling | 221.7 | PHI |
| +028+ | 5.67 | Omar Daal | 129.7 | ARI |
| +038+ | 5.07 | Bartolo Colon | 181.3 | CLE |
| +041+ | 4.94 | Rick Reed | 181.3 | NYN |
| +045+ | 4.75 | Francisco Cordova | 180.3 | PIT |
| +046+ | 4.74 | Pete Harnisch | 169.7 | CIN |
| +052+ | 4.35 | Brian Bohanon | 111.7 | TOT |
| +055+ | 4.21 | David Wells | 181 | NYA |
| +060+ | 3.98 | Dustin Hermanson | 149 | WAS |
| +064+ | 3.94 | Jamie Moyer | 199 | SEA |
| +070+ | 3.74 | Denny Neagle | 196.3 | ATL |
| +072+ | 3.7 | Kerry Wood | 160.7 | CHN |
| +074+ | 3.57 | Mike Mussina | 163.3 | BAL |
| +075+ | 3.55 | Matt Morris | 72.3 | SLN |
| +078+ | 3.48 | Shane Reynolds | 194.3 | HOU |
| +079+ | 3.45 | John Smoltz | 132.7 | ATL |
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