| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | ATL | 6.53 | 199904180_ATL_COL |
| Ismael Valdez | LAN | 2.01 | 199904180_LAN_SDN |
| Mike Hampton | HOU | 1.68 | 199904180_SLN_HOU |
| Bobby Jones | NYN | 1.59 | 199904170_WAS_NYN |
| Ramiro Mendoza | NYA | 1.46 | 199904180_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| LaTroy Hawkins | MIN | -5.68 | 199904190_MIN_KCA |
| Jaime Navarro | CHA | -4.53 | 199904170_CHA_KCA |
| Jamey Wright | COL | -2.24 | 199904190_WAS_COL |
| Bobby Witt | TBA | -2 | 199904180_TBA_BOS |
| Pat Rapp | BOS | -1.92 | 199904180_TBA_BOS |
Based on accumulated WAA for this season up to 1999-04-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 1.79 | Roy Halladay | 16 | TOR |
| +003+ | 1.71 | Bobby Jones | 21 | NYN |
| +004+ | 1.64 | Kent Bottenfield | 18.3 | SLN |
| +007+ | 1.43 | Omar Daal | 21.7 | ARI |
| +008+ | 1.42 | Ramiro Mendoza | 21 | NYA |
| +009+ | 1.41 | Chris Carpenter | 16.3 | TOR |
| +010+ | 1.41 | Omar Olivares | 14.3 | ANA |
| +015+ | 1.26 | Bret Saberhagen | 18.7 | BOS |
| XXXXX | 1.22 | Dustin Hermanson | 20.3 | WAS |
| XXXXX | 1.19 | Dave Burba | 18.7 | CLE |
| XXXXX | 1.17 | Steve Avery | 21.7 | CIN |
| XXXXX | 1.1 | Jose Rosado | 17.3 | KCA |
| XXXXX | 1.09 | Mike Mussina | 18.3 | BAL |
| XXXXX | 1.09 | Darryl Kile | 20.7 | COL |
| XXXXX | 1.09 | Willie Blair | 18.7 | DET |
| XXXXX | 1.06 | John Smoltz | 19 | ATL |
| XXXXX | 1 | Brian Bohanon | 14.3 | COL |
| XXXXX | 1 | Jon Lieber | 16 | CHN |
| XXXXX | 0.94 | Todd Stottlemyre | 21 | ARI |
| XXXXX | 0.93 | David Wells | 17.7 | TOR |
| XXXXX | 0.91 | David Cone | 11.3 | NYA |
| XXXXX | 0.91 | Jason Schmidt | 19.7 | PIT |
| XXXXX | 0.89 | Woody Williams | 19 | SDN |
| XXXXX | 0.85 | Curt Schilling | 22 | PHI |
| XXXXX | 0.8 | Brian Meadows | 14 | MIA |
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