| Starter | Tm | Tier | Game |
|---|---|---|---|
| Randy Johnson | ARI | 13 | 199908310_WAS_ARI |
| Pedro Martinez | BOS | 8.64 | 199908300_KCA_BOS |
| David Cone | NYA | 4 | 199908310_OAK_NYA |
| Kevin Brown | LAN | 3.72 | 199908300_MIL_LAN |
| Jose Lima | HOU | 3.13 | 199908310_NYN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cal Eldred | MIL | -3.29 | 199909010_MIL_LAN |
| Steve Trachsel | CHN | -2.57 | 199909010_CHN_SDN |
| John Snyder | CHA | -2.34 | 199908310_SEA_CHA |
| Jimmy Haynes | OAK | -2.33 | 199908310_OAK_NYA |
| Ken Cloude | SEA | -2.24 | 199908302_SEA_CHA |
Based on accumulated WAA for this season up to 1999-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.81 | Randy Johnson | 233.7 | ARI |
| +003+ | 9.58 | Pedro Martinez | 171.3 | BOS |
| +011+ | 7.67 | Mike Hampton | 193.7 | HOU |
| +015+ | 7.05 | Kevin Millwood | 184 | ATL |
| +017+ | 6.9 | Kevin Brown | 205.7 | LAN |
| +020+ | 6.59 | David Cone | 166.3 | NYA |
| +021+ | 6.48 | Jose Lima | 209.7 | HOU |
| +025+ | 6.16 | Ismael Valdes | 187.3 | LAN |
| +037+ | 4.99 | Greg Maddux | 186.3 | ATL |
| +040+ | 4.88 | Andy Ashby | 173 | SDN |
| +050+ | 4.49 | Alex Fernandez | 133.7 | MIA |
| +059+ | 4.03 | Omar Daal | 185 | ARI |
| +061+ | 3.98 | Shane Reynolds | 196.3 | HOU |
| +066+ | 3.82 | John Smoltz | 144.3 | ATL |
| +067+ | 3.8 | Omar Olivares | 176 | TOT |
| +075+ | 3.54 | Scott Elarton | 98 | HOU |
| +076+ | 3.47 | Jose Rosado | 174.7 | KCA |
| +078+ | 3.4 | Brad Radke | 181 | MIN |
| +079+ | 3.39 | Pete Harnisch | 163.7 | CIN |
| +089+ | 3.2 | Mike Sirotka | 178 | CHA |
| +096+ | 3.06 | Tim Hudson | 104 | OAK |
| +098+ | 3.05 | Juan Guzman | 165.7 | TOT |
| +100+ | 3.04 | Armando Reynoso | 146.7 | ARI |
| +102+ | 2.96 | Russ Ortiz | 166.7 | SFN |
| +106+ | 2.86 | Paul Byrd | 173 | PHI |
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