| Starter | Tm | Tier | Game |
|---|---|---|---|
| Curt Schilling | PHI | 9.02 | 199805280_PHI_CHN |
| Greg Maddux | ATL | 8.32 | 199805270_WAS_ATL |
| Mike Hampton | HOU | 3.66 | 199805290_HOU_COL |
| Roger Clemens | TOR | 3.47 | 199805290_CLE_TOR |
| Ramon Martinez | LAN | 2.59 | 199805280_CIN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobby Witt | TEX | -5.02 | 199805280_TEX_BAL |
| LaTroy Hawkins | MIN | -2.03 | 199805290_ANA_MIN |
| Jamey Wright | COL | -1.9 | 199805280_COL_SLN |
| Javier Vazquez | WAS | -1.61 | 199805270_WAS_ATL |
| Kent Mercker | SLN | -1.55 | 199805280_COL_SLN |
Based on accumulated WAA for this season up to 1998-05-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.36 | Greg Maddux | 88.3 | ATL |
| +004+ | 4.27 | Chuck Finley | 85.3 | ANA |
| +005+ | 4.09 | Al Leiter | 60.3 | NYN |
| +006+ | 4.03 | Mike Hampton | 85.7 | HOU |
| +007+ | 3.98 | Tom Glavine | 75 | ATL |
| +008+ | 3.93 | Kevin Brown | 83 | SDN |
| +010+ | 3.91 | Pedro Martinez | 80 | BOS |
| +009+ | 3.91 | Curt Schilling | 90.7 | PHI |
| +011+ | 3.71 | Francisco Cordova | 75 | PIT |
| +013+ | 3.65 | Hideki Irabu | 47.7 | NYA |
| +014+ | 3.59 | Andy Ashby | 79.7 | SDN |
| +018+ | 3.19 | Rick Reed | 70 | NYN |
| +020+ | 3.16 | Ramon Martinez | 83 | LAN |
| +021+ | 3.06 | Jamie Moyer | 84.7 | SEA |
| +025+ | 2.9 | Denny Neagle | 76.7 | ATL |
| +026+ | 2.82 | Woody Williams | 66 | TOR |
| +027+ | 2.8 | Masato Yoshii | 58 | NYN |
| +028+ | 2.72 | Todd Stottlemyre | 88 | SLN |
| +029+ | 2.63 | Shane Reynolds | 82.3 | HOU |
| +034+ | 2.56 | Aaron Sele | 77.3 | TEX |
| +036+ | 2.47 | Jose Lima | 74.7 | HOU |
| +037+ | 2.45 | Carlos Perez | 88.7 | WAS |
| +047+ | 2.25 | Brad Radke | 69.3 | MIN |
| +051+ | 2.18 | Bartolo Colon | 76.7 | CLE |
| +054+ | 2.09 | Pete Harnisch | 72.3 | CIN |
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