| Starter | Tm | Tier | Game |
|---|---|---|---|
| Curt Schilling | PHI | 8.69 | 199805230_PHI_WAS |
| Greg Maddux | ATL | 8.27 | 199805220_CHN_ATL |
| Kevin Brown | SDN | 6.52 | 199805210_SDN_PIT |
| Jeff Fassero | SEA | 4.24 | 199805210_SEA_TEX |
| Mike Hampton | HOU | 3.27 | 199805230_SDN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobby Witt | TEX | -4.91 | 199805220_KCA_TEX |
| Allen Watson | ANA | -2.57 | 199805230_MIN_ANA |
| Jamey Wright | COL | -2.56 | 199805220_COL_CIN |
| Doug Drabek | BAL | -2.13 | 199805230_BAL_OAK |
| Glendon Rusch | KCA | -2.11 | 199805230_KCA_TEX |
Based on accumulated WAA for this season up to 1998-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.97 | Curt Schilling | 85.7 | PHI |
| +004+ | 4.57 | Pedro Martinez | 72.3 | BOS |
| +005+ | 4.55 | Greg Maddux | 80 | ATL |
| +006+ | 4.1 | Al Leiter | 60.3 | NYN |
| +007+ | 3.76 | Mike Hampton | 78.7 | HOU |
| +008+ | 3.3 | Kevin Brown | 75 | SDN |
| +009+ | 3.3 | Francisco Cordova | 69 | PIT |
| +011+ | 3.22 | Aaron Sele | 73.7 | TEX |
| +013+ | 3.17 | Andy Ashby | 71.7 | SDN |
| +014+ | 3.15 | Chuck Finley | 70.3 | ANA |
| +015+ | 3.1 | Tom Glavine | 58 | ATL |
| +019+ | 2.8 | Ramon Martinez | 77 | LAN |
| +021+ | 2.72 | Hideki Irabu | 38.7 | NYA |
| +023+ | 2.62 | Masato Yoshii | 52 | NYN |
| +026+ | 2.45 | Rick Reed | 62.7 | NYN |
| +028+ | 2.42 | Denny Neagle | 69.7 | ATL |
| +029+ | 2.41 | Jose Lima | 67.7 | HOU |
| +031+ | 2.37 | Jeff Fassero | 56 | SEA |
| +034+ | 2.27 | Pete Harnisch | 67.3 | CIN |
| +036+ | 2.26 | Shane Reynolds | 74.3 | HOU |
| +037+ | 2.25 | Jamie Moyer | 76.7 | SEA |
| +038+ | 2.25 | Todd Stottlemyre | 79.7 | SLN |
| +040+ | 2.23 | Brian Bohanon | 34 | NYN |
| +044+ | 2.11 | Woody Williams | 59 | TOR |
| +052+ | 1.91 | Carlos Perez | 72.7 | WAS |
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