| 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 |
| Jaime Navarro | CHA | -3.61 | 199909040_CHA_TEX |
| Brian Bohanon | COL | -2.3 | 199909040_COL_NYN |
Based on accumulated WAA for this season up to 1999-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.82 | Randy Johnson | 233.7 | ARI |
| +003+ | 10.47 | Pedro Martinez | 179.3 | BOS |
| +007+ | 8.2 | Mike Hampton | 200.7 | HOU |
| +011+ | 7.87 | Kevin Brown | 214.7 | LAN |
| +013+ | 7.69 | Kevin Millwood | 192 | ATL |
| +020+ | 6.59 | David Cone | 166.3 | NYA |
| +022+ | 6.45 | Jose Lima | 209.7 | HOU |
| +026+ | 6.15 | Ismael Valdes | 187.3 | LAN |
| +035+ | 5.18 | Curt Schilling | 175 | PHI |
| +036+ | 4.98 | Greg Maddux | 186.3 | ATL |
| +042+ | 4.88 | Andy Ashby | 173 | SDN |
| +045+ | 4.71 | Shane Reynolds | 203.3 | HOU |
| +052+ | 4.45 | Alex Fernandez | 141 | MIA |
| +062+ | 4.04 | Omar Daal | 185 | ARI |
| +069+ | 3.84 | Tim Hudson | 113 | OAK |
| +068+ | 3.84 | Pete Harnisch | 169.7 | CIN |
| +071+ | 3.79 | Omar Olivares | 176 | TOT |
| +074+ | 3.62 | John Smoltz | 152.3 | ATL |
| +075+ | 3.61 | Russ Ortiz | 172.7 | SFN |
| +077+ | 3.53 | Scott Elarton | 98 | HOU |
| +078+ | 3.45 | Jose Rosado | 174.7 | KCA |
| +079+ | 3.44 | Brad Radke | 181 | MIN |
| +091+ | 3.21 | Mike Sirotka | 178 | CHA |
| +098+ | 3.03 | Juan Guzman | 165.7 | TOT |
| +102+ | 2.94 | Jamie Moyer | 197 | SEA |
_