| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | ATL | 9.33 | 199804200_ATL_COL |
| Ismael Valdez | LAN | 3.54 | 199804190_LAN_CHN |
| Al Leiter | NYN | 1.54 | 199804190_NYN_CIN |
| Pat Hentgen | TOR | 1.36 | 199804180_CHA_TOR |
| Andy Ashby | SDN | 1.26 | 199804180_SDN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jeff Suppan | ARI | -3.25 | 199804190_MIA_ARI |
| Jamey Wright | COL | -3.18 | 199804192_ATL_COL |
| LaTroy Hawkins | MIN | -2.74 | 199804190_SEA_MIN |
| Matt Beech | PHI | -2.08 | 199804190_PHI_SLN |
| Greg Keagle | DET | -2.04 | 199804180_NYA_DET |
Based on accumulated WAA for this season up to 1998-04-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.06 | Greg Maddux | 40 | ATL |
| +002+ | 3 | Chuck Finley | 32.3 | ANA |
| +003+ | 2.76 | Pedro Martinez | 32 | BOS |
| +004+ | 2.7 | Curt Schilling | 33 | PHI |
| +007+ | 2.09 | Kevin Brown | 29.3 | SDN |
| +011+ | 1.74 | Cal Eldred | 25.7 | MIL |
| +013+ | 1.7 | Al Leiter | 25 | NYN |
| +018+ | 1.53 | Aaron Sele | 22 | TEX |
| +020+ | 1.49 | Todd Stottlemyre | 28 | SLN |
| +023+ | 1.43 | Rick Helling | 23 | TEX |
| +027+ | 1.42 | Ramon Martinez | 27 | LAN |
| +034+ | 1.28 | Pat Rapp | 25.7 | KCA |
| XXXXX | 1.23 | Brad Radke | 28 | MIN |
| XXXXX | 1.23 | Woody Williams | 25.3 | TOR |
| XXXXX | 1.23 | Hipolito Pichardo | 19.3 | KCA |
| XXXXX | 1.17 | Dave Burba | 27 | CLE |
| XXXXX | 1.1 | Francisco Cordova | 24.3 | PIT |
| XXXXX | 1.1 | Brett Tomko | 22 | CIN |
| XXXXX | 1.07 | Andy Ashby | 27.7 | SDN |
| XXXXX | 1.05 | Andy Benes | 30.3 | ARI |
| XXXXX | 0.99 | Masato Yoshii | 18 | NYN |
| XXXXX | 0.99 | Mike Sirotka | 20.7 | CHA |
| XXXXX | 0.96 | Bret Saberhagen | 17 | BOS |
| XXXXX | 0.95 | Kevin Millwood | 26.3 | ATL |
| XXXXX | 0.95 | Mike Mussina | 28 | BAL |
_