| Starter | Tm | Tier | Game |
|---|---|---|---|
| Randy Johnson | ARI | 12.62 | 199909180_MIA_ARI |
| Mike Hampton | HOU | 6.89 | 199909180_HOU_SLN |
| Kevin Brown | LAN | 6.63 | 199909190_LAN_COL |
| Kevin Millwood | ATL | 5.79 | 199909190_WAS_ATL |
| David Cone | NYA | 3.08 | 199909190_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| LaTroy Hawkins | MIN | -5.91 | 199909190_MIN_SEA |
| Darryl Kile | COL | -5.5 | 199909170_LAN_COL |
| Micah Bowie | CHN | -3.85 | 199909180_MIL_CHN |
| Mac Suzuki | KCA | -3.73 | 199909190_KCA_OAK |
| Mark Gardner | SFN | -2.79 | 199909180_SFN_SDN |
Based on accumulated WAA for this season up to 1999-09-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 12.55 | Randy Johnson | 255.7 | ARI |
| +003+ | 11.55 | Pedro Martinez | 195.3 | BOS |
| +006+ | 9.44 | Kevin Brown | 238.3 | LAN |
| +007+ | 9.31 | Kevin Millwood | 214 | ATL |
| +011+ | 8.15 | Mike Hampton | 218 | HOU |
| +028+ | 6.28 | Greg Maddux | 209.3 | ATL |
| +036+ | 5.63 | Shane Reynolds | 218 | HOU |
| +039+ | 5.42 | David Cone | 182 | NYA |
| +042+ | 5.21 | Jose Lima | 225.7 | HOU |
| +043+ | 5.17 | Jamie Moyer | 223 | SEA |
| +051+ | 4.87 | Andy Ashby | 194 | SDN |
| +062+ | 4.52 | Mike Mussina | 190.3 | BAL |
| +066+ | 4.39 | Todd Ritchie | 158 | PIT |
| +068+ | 4.35 | John Smoltz | 164.3 | ATL |
| +069+ | 4.33 | Juan Guzman | 185.7 | TOT |
| +072+ | 4.29 | Tim Hudson | 124.7 | OAK |
| +073+ | 4.2 | Bret Saberhagen | 110 | BOS |
| +075+ | 4.07 | Russ Ortiz | 187.7 | SFN |
| +077+ | 3.89 | Scott Elarton | 115 | HOU |
| +080+ | 3.76 | Brad Radke | 204.7 | MIN |
| +088+ | 3.42 | Pete Harnisch | 184.7 | CIN |
| +091+ | 3.35 | Steve Parris | 115 | CIN |
| +095+ | 3.26 | John Halama | 166 | SEA |
| +100+ | 3.12 | Sterling Hitchcock | 193.3 | SDN |
| +099+ | 3.12 | Omar Olivares | 196.7 | TOT |
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