| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Hampton | HOU | 5.8 | 199909030_HOU_WAS |
| Kevin Millwood | ATL | 4.85 | 199909030_ARI_ATL |
| Ismael Valdez | LAN | 3.24 | 199909010_MIL_LAN |
| Curt Schilling | PHI | 2.17 | 199909030_CIN_PHI |
| Omar Daal | ARI | 2.02 | 199909010_WAS_ARI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mac Suzuki | KCA | -4.83 | 199909020_KCA_BOS |
| LaTroy Hawkins | MIN | -4.27 | 199909030_MIN_TBA |
| Tim Belcher | ANA | -3.87 | 199909030_NYA_ANA |
| Cal Eldred | MIL | -3.29 | 199909010_MIL_LAN |
| Steve Trachsel | CHN | -2.57 | 199909010_CHN_SDN |
Based on accumulated WAA for this season up to 1999-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.84 | Randy Johnson | 233.7 | ARI |
| +003+ | 9.6 | Pedro Martinez | 171.3 | BOS |
| +008+ | 8.24 | Mike Hampton | 200.7 | HOU |
| +013+ | 7.71 | Kevin Millwood | 192 | ATL |
| +019+ | 6.91 | Kevin Brown | 205.7 | LAN |
| +021+ | 6.61 | David Cone | 166.3 | NYA |
| +022+ | 6.49 | Jose Lima | 209.7 | HOU |
| +026+ | 6.17 | Ismael Valdes | 187.3 | LAN |
| +034+ | 5.2 | Curt Schilling | 175 | PHI |
| +038+ | 5 | Greg Maddux | 186.3 | ATL |
| +042+ | 4.88 | Andy Ashby | 173 | SDN |
| +049+ | 4.49 | Alex Fernandez | 133.7 | MIA |
| +060+ | 4.06 | Omar Daal | 185 | ARI |
| +063+ | 3.98 | Shane Reynolds | 196.3 | HOU |
| +068+ | 3.82 | John Smoltz | 144.3 | ATL |
| +070+ | 3.81 | Omar Olivares | 176 | TOT |
| +074+ | 3.55 | Scott Elarton | 98 | HOU |
| +076+ | 3.47 | Jose Rosado | 174.7 | KCA |
| +078+ | 3.44 | Brad Radke | 181 | MIN |
| +081+ | 3.41 | Pete Harnisch | 163.7 | CIN |
| +088+ | 3.23 | Mike Sirotka | 178 | CHA |
| +097+ | 3.07 | Tim Hudson | 104 | OAK |
| +098+ | 3.05 | Juan Guzman | 165.7 | TOT |
| +100+ | 2.97 | Russ Ortiz | 166.7 | SFN |
| +101+ | 2.96 | Jamie Moyer | 197 | SEA |
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