| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Martinez | BOS | 10.06 | 199905180_NYA_BOS |
| John Smoltz | ATL | 8.36 | 199905160_ATL_CHN |
| Curt Schilling | PHI | 7.9 | 199905170_PHI_WAS |
| David Cone | NYA | 7.6 | 199905180_NYA_BOS |
| Ismael Valdez | LAN | 2.74 | 199905160_LAN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pat Rapp | BOS | -2.55 | 199905160_BOS_TOR |
| James Baldwin | CHA | -1.97 | 199905180_CLE_CHA |
| John Burkett | TEX | -1.7 | 199905170_TBA_TEX |
| Eric Milton | MIN | -1.61 | 199905170_MIN_SEA |
| Jimmy Haynes | OAK | -1.56 | 199905160_MIN_OAK |
Based on accumulated WAA for this season up to 1999-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.59 | Pedro Martinez | 66.7 | BOS |
| +003+ | 3.94 | David Cone | 53.3 | NYA |
| +004+ | 3.86 | Curt Schilling | 73.3 | PHI |
| +009+ | 3.05 | Jose Rosado | 46.7 | KCA |
| +011+ | 2.99 | John Snyder | 45 | CHA |
| +013+ | 2.89 | Kevin Tapani | 40.7 | CHN |
| +014+ | 2.82 | John Smoltz | 55.7 | ATL |
| +016+ | 2.73 | Russ Ortiz | 53.3 | SFN |
| +018+ | 2.57 | Chris Carpenter | 56.7 | TOR |
| +020+ | 2.51 | Mike Hampton | 54.7 | HOU |
| +021+ | 2.5 | Kevin Brown | 55.7 | LAN |
| +022+ | 2.47 | Randy Johnson | 70.7 | ARI |
| +024+ | 2.38 | Jose Lima | 57.3 | HOU |
| +031+ | 2.2 | Andy Ashby | 51 | SDN |
| +034+ | 1.98 | Kent Bottenfield | 47.7 | SLN |
| +035+ | 1.97 | Omar Olivares | 45 | ANA |
| +038+ | 1.91 | Darren Oliver | 52.7 | SLN |
| +043+ | 1.81 | Brian Bohanon | 49 | COL |
| +047+ | 1.71 | Mike Sirotka | 46.7 | CHA |
| +052+ | 1.68 | Paul Byrd | 54 | PHI |
| +057+ | 1.62 | Alex Fernandez | 22 | MIA |
| +060+ | 1.6 | Jon Lieber | 36.7 | CHN |
| +062+ | 1.58 | Ismael Valdes | 53 | LAN |
| +065+ | 1.54 | Woody Williams | 50.7 | SDN |
| +067+ | 1.5 | Jeff Weaver | 39 | DET |
_