| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Ashby | SDN | 5.74 | 199807280_SDN_NYN |
| Al Leiter | NYN | 4.61 | 199807290_SDN_NYN |
| Tom Glavine | ATL | 4.5 | 199807270_ATL_CIN |
| Roger Clemens | TOR | 2.59 | 199807280_TEX_TOR |
| Rolando Arrojo | TBA | 1.7 | 199807280_TBA_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Castillo | DET | -4.51 | 199807290_BAL_DET |
| Bobby Witt | SLN | -3.89 | 199807290_MIL_SLN |
| Darren Oliver | TEX | -3.12 | 199807290_TEX_TOR |
| Pedro Astacio | COL | -2.74 | 199807280_PIT_COL |
| James Baldwin | CHA | -2.59 | 199807280_TBA_CHA |
Based on accumulated WAA for this season up to 1998-07-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.56 | Greg Maddux | 175.7 | ATL |
| +007+ | 6.96 | Andy Ashby | 168.3 | SDN |
| +008+ | 6.9 | Kevin Brown | 165.7 | SDN |
| +009+ | 6.71 | Pedro Martinez | 156.3 | BOS |
| +010+ | 6.25 | Al Leiter | 120.7 | NYN |
| +013+ | 6.11 | Tom Glavine | 151.3 | ATL |
| +016+ | 5.76 | Bartolo Colon | 151.3 | CLE |
| +019+ | 5.68 | Kenny Rogers | 152 | OAK |
| +020+ | 5.62 | Rick Reed | 147.3 | NYN |
| +023+ | 5.1 | Curt Schilling | 178.7 | PHI |
| +030+ | 4.48 | Francisco Cordova | 142.7 | PIT |
| +031+ | 4.48 | Rolando Arrojo | 147.7 | TBA |
| +032+ | 4.37 | Brad Radke | 147.3 | MIN |
| +036+ | 4.12 | Roger Clemens | 148 | TOR |
| +042+ | 3.81 | Pete Harnisch | 141.3 | CIN |
| +050+ | 3.6 | Jamie Moyer | 157 | SEA |
| +051+ | 3.44 | Kerry Wood | 121.3 | CHN |
| +058+ | 3.26 | David Cone | 135.3 | NYA |
| +059+ | 3.18 | Todd Stottlemyre | 161.3 | SLN |
| +066+ | 3.09 | Hideki Irabu | 113 | NYA |
| +077+ | 2.92 | Denny Neagle | 155 | ATL |
| +079+ | 2.84 | Sean Bergman | 118.7 | HOU |
| +080+ | 2.83 | John Smoltz | 99 | ATL |
| +081+ | 2.79 | Brian Moehler | 145.3 | DET |
| +085+ | 2.73 | Justin Thompson | 157 | DET |
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