| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | ATL | 13.65 | 199806270_TOR_ATL |
| Al Leiter | NYN | 6.58 | 199806260_NYA_NYN |
| Kevin Brown | SDN | 6.32 | 199806260_ANA_SDN |
| Curt Schilling | PHI | 5.92 | 199806270_TBA_PHI |
| Pedro Martinez | BOS | 3.59 | 199806260_BOS_MIA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Castillo | DET | -7.15 | 199806260_CIN_DET |
| James Baldwin | CHA | -5.75 | 199806260_MIL_CHA |
| Jeff Suppan | ARI | -3.19 | 199806260_SEA_ARI |
| Darren Oliver | TEX | -2.65 | 199806260_TEX_SFN |
| Manny Aybar | SLN | -2.2 | 199806250_SLN_CLE |
Based on accumulated WAA for this season up to 1998-06-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.95 | Greg Maddux | 137.3 | ATL |
| +004+ | 6.38 | Andy Ashby | 128 | SDN |
| +006+ | 6.03 | Al Leiter | 101.7 | NYN |
| +008+ | 5.32 | Rick Reed | 109 | NYN |
| +010+ | 5.1 | Bartolo Colon | 118.3 | CLE |
| +012+ | 4.93 | Todd Stottlemyre | 134.3 | SLN |
| +014+ | 4.78 | Kevin Brown | 126.7 | SDN |
| +015+ | 4.39 | Francisco Cordova | 112.7 | PIT |
| +016+ | 4.38 | Tom Glavine | 109.3 | ATL |
| +017+ | 4.21 | Curt Schilling | 138 | PHI |
| +019+ | 4.13 | Brad Radke | 114.3 | MIN |
| +022+ | 3.99 | Chuck Finley | 117.7 | ANA |
| +023+ | 3.96 | Pete Harnisch | 113 | CIN |
| +024+ | 3.89 | Pedro Martinez | 119.3 | BOS |
| +026+ | 3.78 | Hideki Irabu | 83.7 | NYA |
| +028+ | 3.69 | Rolando Arrojo | 113.3 | TBA |
| +039+ | 3.29 | Omar Olivares | 94.7 | ANA |
| +038+ | 3.29 | Kenny Rogers | 112.7 | OAK |
| +048+ | 2.92 | Sean Bergman | 81.7 | HOU |
| +057+ | 2.65 | Denny Neagle | 119 | ATL |
| +060+ | 2.63 | Shane Reynolds | 115.7 | HOU |
| +064+ | 2.62 | Woody Williams | 109 | TOR |
| +065+ | 2.58 | Jamie Moyer | 118 | SEA |
| +078+ | 2.37 | Carlos Perez | 124.7 | WAS |
| +090+ | 2.14 | Dustin Hermanson | 77.7 | WAS |
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