| Starter | Tm | Tier | Game |
|---|---|---|---|
| Curt Schilling | PHI | 8.16 | 199805170_PHI_SDN |
| Roger Clemens | TOR | 5.36 | 199805180_SEA_TOR |
| Tom Glavine | ATL | 5.18 | 199805180_ATL_HOU |
| Mike Hampton | HOU | 3.15 | 199805180_ATL_HOU |
| Al Leiter | NYN | 2.96 | 199805170_NYN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jamey Wright | COL | -3.39 | 199805170_MIL_COL |
| Dennis Springer | TBA | -2.35 | 199805190_TBA_TOR |
| Glendon Rusch | KCA | -1.92 | 199805170_KCA_BOS |
| LaTroy Hawkins | MIN | -1.84 | 199805170_MIN_NYA |
| Doug Drabek | BAL | -1.69 | 199805180_TBA_BAL |
Based on accumulated WAA for this season up to 1998-05-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.46 | Curt Schilling | 77 | PHI |
| +003+ | 4.13 | Greg Maddux | 72 | ATL |
| +004+ | 4.01 | Pedro Martinez | 65.3 | BOS |
| +007+ | 3.3 | Mike Hampton | 72.7 | HOU |
| +009+ | 3.14 | Al Leiter | 51.3 | NYN |
| +011+ | 3.1 | Chuck Finley | 70.3 | ANA |
| +010+ | 3.1 | Kevin Brown | 68 | SDN |
| +012+ | 3.09 | Tom Glavine | 58 | ATL |
| +016+ | 2.8 | Francisco Cordova | 60.7 | PIT |
| +018+ | 2.71 | Bartolo Colon | 61.7 | CLE |
| +019+ | 2.66 | Aaron Sele | 64.7 | TEX |
| +021+ | 2.46 | Hideki Irabu | 32.3 | NYA |
| +023+ | 2.43 | Jeff Fassero | 49 | SEA |
| +026+ | 2.26 | Jamie Moyer | 69.3 | SEA |
| +027+ | 2.24 | Todd Stottlemyre | 71.7 | SLN |
| +029+ | 2.21 | Brian Bohanon | 34 | NYN |
| +032+ | 2.12 | Rolando Arrojo | 59.3 | TBA |
| +034+ | 2.11 | Rick Reed | 55.7 | NYN |
| +037+ | 2.08 | Pete Harnisch | 62.3 | CIN |
| +040+ | 2.05 | Woody Williams | 59 | TOR |
| +041+ | 2.03 | Jose Lima | 60.3 | HOU |
| +042+ | 2.01 | Ramon Martinez | 68 | LAN |
| +047+ | 1.93 | Jimmy Key | 56.3 | BAL |
| +049+ | 1.89 | Carlos Perez | 72.7 | WAS |
| +050+ | 1.89 | Derek Lowe | 38.7 | BOS |
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