| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | ATL | 6.63 | 199805060_LAN_ATL |
| Kevin Brown | SDN | 4.87 | 199805060_SDN_MIL |
| Al Leiter | NYN | 2.46 | 199805040_ARI_NYN |
| Ismael Valdez | LAN | 2.44 | 199805050_LAN_ATL |
| Jeff Fassero | SEA | 2.29 | 199805050_CHA_SEA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jeff Suppan | ARI | -2.71 | 199805040_ARI_NYN |
| Bobby Witt | TEX | -2.68 | 199805060_NYA_TEX |
| Mark Thompson | COL | -2.27 | 199805060_COL_PHI |
| James Baldwin | CHA | -2.14 | 199805060_CHA_SEA |
| LaTroy Hawkins | MIN | -2.08 | 199805060_MIN_BOS |
Based on accumulated WAA for this season up to 1998-05-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.53 | Curt Schilling | 55 | PHI |
| +002+ | 3.35 | Greg Maddux | 59 | ATL |
| +004+ | 3.23 | Chuck Finley | 50.3 | ANA |
| +006+ | 3 | Pedro Martinez | 50.3 | BOS |
| +008+ | 2.78 | Al Leiter | 37.3 | NYN |
| +011+ | 2.53 | Francisco Cordova | 46.7 | PIT |
| +016+ | 2.34 | Andy Ashby | 49.7 | SDN |
| +018+ | 2.26 | Kevin Brown | 53 | SDN |
| +020+ | 2.16 | Tom Glavine | 38 | ATL |
| +023+ | 2.03 | Brett Tomko | 44.3 | CIN |
| +026+ | 1.98 | Mike Hampton | 50.7 | HOU |
| +027+ | 1.98 | Jamie Moyer | 49.7 | SEA |
| +028+ | 1.96 | Brian Meadows | 46.3 | MIA |
| +030+ | 1.92 | Rick Helling | 43 | TEX |
| +029+ | 1.92 | Aaron Sele | 43 | TEX |
| +034+ | 1.75 | Andy Pettitte | 46.3 | NYA |
| +036+ | 1.74 | Mike Mussina | 35.7 | BAL |
| +038+ | 1.73 | Pete Harnisch | 47.3 | CIN |
| +037+ | 1.73 | Cal Eldred | 41.7 | MIL |
| +039+ | 1.7 | Tom Candiotti | 48 | OAK |
| +041+ | 1.67 | Woody Williams | 38 | TOR |
| +042+ | 1.63 | Jose Lima | 47.3 | HOU |
| +047+ | 1.56 | Dustin Hermanson | 38.7 | WAS |
| +049+ | 1.55 | Denny Neagle | 50 | ATL |
| +050+ | 1.53 | Kenny Rogers | 48.3 | OAK |
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