| Starter | Tm | Tier | Game |
|---|---|---|---|
| Curt Schilling | PHI | 8.72 | 199804210_CIN_PHI |
| Pedro Martinez | BOS | 7.51 | 199804220_BOS_DET |
| Kevin Brown | SDN | 7.44 | 199804210_SDN_CHN |
| Tom Glavine | ATL | 6.68 | 199804230_ARI_ATL |
| Roger Clemens | TOR | 4.56 | 199804220_NYA_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| John Thomson | COL | -1.5 | 199804220_COL_MIA |
| Dennis Springer | TBA | -1.49 | 199804210_TBA_TEX |
| Jason Bere | CHA | -0.96 | 199804230_CHA_CLE |
| Erik Hanson | TOR | -0.9 | 199804210_NYA_TOR |
| Ramiro Mendoza | NYA | -0.76 | 199804210_NYA_TOR |
Based on accumulated WAA for this season up to 1998-04-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3 | Greg Maddux | 40 | ATL |
| +002+ | 2.76 | Curt Schilling | 40 | PHI |
| +003+ | 2.57 | Chuck Finley | 38.7 | ANA |
| +004+ | 2.45 | Aaron Sele | 31 | TEX |
| +005+ | 2.44 | Pedro Martinez | 37.3 | BOS |
| +007+ | 2.24 | Tom Glavine | 27 | ATL |
| +009+ | 2.02 | Francisco Cordova | 33.3 | PIT |
| +012+ | 1.79 | Andy Ashby | 35.7 | SDN |
| +016+ | 1.75 | Rick Helling | 28.3 | TEX |
| +019+ | 1.68 | Al Leiter | 25 | NYN |
| +021+ | 1.66 | Kevin Brown | 32.3 | SDN |
| +020+ | 1.66 | Todd Stottlemyre | 35.7 | SLN |
| +023+ | 1.6 | Cal Eldred | 30.7 | MIL |
| +034+ | 1.35 | Andy Pettitte | 34.7 | NYA |
| +037+ | 1.33 | Tom Candiotti | 35 | OAK |
| +042+ | 1.26 | Pat Rapp | 25.7 | KCA |
| XXXXX | 1.24 | Brett Tomko | 29.3 | CIN |
| XXXXX | 1.22 | Mike Hampton | 36 | HOU |
| XXXXX | 1.18 | Woody Williams | 25.3 | TOR |
| XXXXX | 1.17 | Brad Radke | 28 | MIN |
| XXXXX | 1.14 | Dave Burba | 27 | CLE |
| XXXXX | 1.12 | Jeff Juden | 28 | MIL |
| XXXXX | 1.09 | Darren Dreifort | 20 | LAN |
| XXXXX | 1.02 | Carlos Perez | 35.7 | WAS |
| XXXXX | 1.01 | Ramon Martinez | 33 | LAN |
_