| Starter | Tm | Tier | Game |
|---|---|---|---|
| John Smoltz | ATL | 6.01 | 199904120_ATL_PHI |
| Rick Reed | NYN | 4.21 | 199904110_NYN_WAS |
| Ismael Valdez | LAN | 2.26 | 199904130_LAN_ARI |
| Justin Thompson | DET | 2.04 | 199904110_DET_NYA |
| Mike Hampton | HOU | 1.28 | 199904130_HOU_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| James Baldwin | CHA | -2.42 | 199904110_KCA_CHA |
| Chad Ogea | PHI | -1.99 | 199904110_PHI_MIA |
| Mike Oquist | OAK | -1.67 | 199904130_ANA_OAK |
| Pat Rapp | BOS | -1.66 | 199904110_BOS_TBA |
| Bobby Witt | TBA | -1.58 | 199904130_TBA_TOR |
Based on accumulated WAA for this season up to 1999-04-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 1.6 | Ramiro Mendoza | 14 | NYA |
| +002+ | 1.4 | Bret Saberhagen | 12.7 | BOS |
| +004+ | 1.32 | Bobby Jones | 14 | NYN |
| XXXXX | 1.17 | Aaron Sele | 12.7 | TEX |
| XXXXX | 1.13 | Jose Rosado | 12.3 | KCA |
| XXXXX | 1 | Jason Schmidt | 13 | PIT |
| XXXXX | 1 | Pete Harnisch | 9 | CIN |
| XXXXX | 0.97 | Roger Clemens | 14 | NYA |
| XXXXX | 0.93 | Dave Burba | 12.3 | CLE |
| XXXXX | 0.88 | Todd Stottlemyre | 15.3 | ARI |
| XXXXX | 0.88 | Greg Maddux | 14 | ATL |
| XXXXX | 0.82 | Omar Olivares | 7.3 | ANA |
| XXXXX | 0.82 | Kent Bottenfield | 11.3 | SLN |
| XXXXX | 0.8 | Orlando Hernandez | 14.3 | NYA |
| XXXXX | 0.79 | Shane Reynolds | 13 | HOU |
| XXXXX | 0.79 | Brian Bohanon | 7 | COL |
| XXXXX | 0.79 | Steve Avery | 14.7 | CIN |
| XXXXX | 0.77 | Dustin Hermanson | 13 | WAS |
| XXXXX | 0.76 | Butch Henry | 7 | SEA |
| XXXXX | 0.72 | Jon Lieber | 8 | CHN |
| XXXXX | 0.7 | Darryl Kile | 13.7 | COL |
| XXXXX | 0.7 | Mark Portugal | 6.3 | BOS |
| XXXXX | 0.65 | Odalis Perez | 6 | ATL |
| XXXXX | 0.62 | Omar Daal | 6.3 | ARI |
| XXXXX | 0.62 | David Wells | 11 | TOR |
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