| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Glavine | ATL | 5.81 | 199804120_ATL_PHI |
| Ismael Valdez | LAN | 4.68 | 199804140_LAN_COL |
| Pat Hentgen | TOR | 3.22 | 199804130_TOR_KCA |
| Jeff Fassero | SEA | 2.94 | 199804120_SEA_BOS |
| Al Leiter | NYN | 1.05 | 199804140_CHN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jamey Wright | COL | -3.3 | 199804130_CIN_COL |
| Jeff Suppan | ARI | -3.03 | 199804140_ARI_SLN |
| Glendon Rusch | KCA | -2.74 | 199804130_TOR_KCA |
| LaTroy Hawkins | MIN | -2.33 | 199804130_MIN_TBA |
| Bobby Witt | TEX | -1.98 | 199804130_DET_TEX |
Based on accumulated WAA for this season up to 1998-04-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.51 | Curt Schilling | 26 | PHI |
| +002+ | 2.35 | Pedro Martinez | 23 | BOS |
| +004+ | 2.11 | Greg Maddux | 23 | ATL |
| +005+ | 2.07 | Chuck Finley | 23.3 | ANA |
| +007+ | 1.78 | Tom Glavine | 20 | ATL |
| +009+ | 1.59 | Aaron Sele | 22 | TEX |
| +011+ | 1.49 | Ken Hill | 14 | ANA |
| +014+ | 1.47 | Mike Mussina | 23 | BAL |
| +015+ | 1.46 | Rick Helling | 17 | TEX |
| +016+ | 1.45 | Jimmy Key | 19 | BAL |
| +018+ | 1.36 | Pat Rapp | 20 | KCA |
| +020+ | 1.33 | Masato Yoshii | 13 | NYN |
| +023+ | 1.26 | Brian Anderson | 22 | ARI |
| +022+ | 1.26 | Cal Eldred | 19.7 | MIL |
| XXXXX | 1.22 | Todd Stottlemyre | 21 | SLN |
| XXXXX | 1.2 | Ramon Martinez | 20.7 | LAN |
| XXXXX | 1.19 | Kevin Brown | 20.3 | SDN |
| XXXXX | 1.17 | Cliff Politte | 16.7 | SLN |
| XXXXX | 1.13 | Andy Ashby | 21.7 | SDN |
| XXXXX | 1.12 | Eric Milton | 12.7 | MIN |
| XXXXX | 1.06 | Francisco Cordova | 19.7 | PIT |
| XXXXX | 1 | Al Leiter | 18 | NYN |
| XXXXX | 0.98 | Mark Clark | 22 | CHN |
| XXXXX | 0.98 | Kevin Millwood | 20.3 | ATL |
| XXXXX | 0.95 | Bob Tewksbury | 19 | MIN |
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