| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Glavine | ATL | 7.33 | 199806080_BOS_ATL |
| Kevin Brown | SDN | 5.32 | 199806100_CIN_SDN |
| Al Leiter | NYN | 4.35 | 199806100_TBA_NYN |
| Pedro Martinez | BOS | 3.79 | 199806100_BOS_ATL |
| Roger Clemens | TOR | 3.6 | 199806080_TOR_MIA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Castillo | DET | -7.64 | 199806100_HOU_DET |
| Dennis Springer | TBA | -2.08 | 199806080_TBA_NYN |
| Glendon Rusch | KCA | -2.03 | 199806090_MIL_KCA |
| Darren Oliver | TEX | -1.9 | 199806100_TEX_COL |
| LaTroy Hawkins | MIN | -1.57 | 199806080_CHN_MIN |
Based on accumulated WAA for this season up to 1998-06-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.84 | Greg Maddux | 106.3 | ATL |
| +005+ | 5.48 | Andy Ashby | 106 | SDN |
| +006+ | 5.02 | Al Leiter | 79.3 | NYN |
| +007+ | 4.66 | Francisco Cordova | 89 | PIT |
| +010+ | 4.55 | Rick Reed | 85 | NYN |
| +011+ | 4.47 | Hideki Irabu | 68 | NYA |
| +013+ | 4.24 | Tom Glavine | 87.3 | ATL |
| +014+ | 4.18 | Curt Schilling | 107.7 | PHI |
| +015+ | 4.15 | Chuck Finley | 98.3 | ANA |
| +016+ | 4.12 | Kevin Brown | 105 | SDN |
| +017+ | 3.85 | Mike Hampton | 100 | HOU |
| +019+ | 3.77 | Brad Radke | 92.7 | MIN |
| +021+ | 3.72 | Pete Harnisch | 93.3 | CIN |
| +023+ | 3.57 | Shane Reynolds | 99.3 | HOU |
| +024+ | 3.55 | Ramon Martinez | 97 | LAN |
| +026+ | 3.27 | Bartolo Colon | 93.3 | CLE |
| +029+ | 3.11 | Kenny Rogers | 96.3 | OAK |
| +030+ | 3.06 | Jose Lima | 90.3 | HOU |
| +031+ | 3.05 | Todd Stottlemyre | 101.7 | SLN |
| +041+ | 2.69 | Woody Williams | 86.3 | TOR |
| +050+ | 2.49 | Masato Yoshii | 65 | NYN |
| +052+ | 2.4 | Omar Olivares | 65.3 | ANA |
| +054+ | 2.38 | Roger Clemens | 85.3 | TOR |
| +057+ | 2.32 | Carlos Perez | 101.7 | WAS |
| +060+ | 2.26 | Denny Neagle | 98.7 | ATL |
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