| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | ATL | 8.68 | 199804260_COL_ATL |
| Curt Schilling | PHI | 8.21 | 199804260_SLN_PHI |
| Kevin Brown | SDN | 5.93 | 199804260_PIT_SDN |
| Andy Pettitte | NYA | 3.98 | 199804270_TOR_NYA |
| Roger Clemens | TOR | 3.32 | 199804270_TOR_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jeff Suppan | ARI | -3.29 | 199804250_ARI_MIA |
| Jamey Wright | COL | -3.25 | 199804260_COL_ATL |
| LaTroy Hawkins | MIN | -3.03 | 199804250_MIN_SEA |
| Sterling Hitchcock | SDN | -2.17 | 199804250_PIT_SDN |
| Matt Beech | PHI | -1.93 | 199804250_SLN_PHI |
Based on accumulated WAA for this season up to 1998-04-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.18 | Chuck Finley | 46.7 | ANA |
| +003+ | 2.97 | Curt Schilling | 48 | PHI |
| +008+ | 2.43 | Pedro Martinez | 37.3 | BOS |
| +009+ | 2.27 | Cal Eldred | 37.7 | MIL |
| +010+ | 2.24 | Greg Maddux | 45 | ATL |
| +011+ | 2.23 | Tom Glavine | 27 | ATL |
| +012+ | 2.14 | Aaron Sele | 36 | TEX |
| +016+ | 1.93 | Andy Pettitte | 40.3 | NYA |
| +018+ | 1.92 | Francisco Cordova | 33.3 | PIT |
| +019+ | 1.88 | Brett Tomko | 37.3 | CIN |
| +021+ | 1.83 | Rick Helling | 37 | TEX |
| +020+ | 1.83 | Brad Radke | 34.3 | MIN |
| +023+ | 1.72 | Kevin Brown | 40.3 | SDN |
| +025+ | 1.69 | Al Leiter | 25 | NYN |
| +026+ | 1.67 | Andy Ashby | 35.7 | SDN |
| +034+ | 1.56 | Brian Meadows | 32.7 | MIA |
| +037+ | 1.48 | Ken Hill | 32.3 | ANA |
| +040+ | 1.44 | Tom Candiotti | 42 | OAK |
| +043+ | 1.35 | Bret Saberhagen | 23 | BOS |
| +045+ | 1.33 | Kirk Rueter | 31 | SFN |
| +046+ | 1.31 | Mike Hampton | 43 | HOU |
| +049+ | 1.29 | Jose Lima | 34.7 | HOU |
| +051+ | 1.27 | Masato Yoshii | 25 | NYN |
| +050+ | 1.27 | Todd Stottlemyre | 41.7 | SLN |
| XXXXX | 1.17 | Ramon Martinez | 40 | LAN |
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