| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Mets | NYN | 3.83 | 199805110_NYN_SDN |
| New York Yankees | NYA | 3.61 | 199805130_TEX_NYA |
| San Francisco Giants | SFN | 2.86 | 199805110_WAS_SFN |
| Los Angeles Dodgers | LAN | 2.26 | 199805120_PHI_LAN |
| Cleveland Indians | CLE | 1.4 | 199805110_CLE_TBA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -3.96 | 199805120_ANA_CHA |
| Arizona Diamondbacks | ARI | -2.98 | 199805110_CHN_ARI |
| Tampa Bay Devil Rays | TBA | -2.91 | 199805110_CLE_TBA |
| Seattle Mariners | SEA | -1.87 | 199805130_SEA_DET |
| Kansas City Royals | KCA | -1.64 | 199805120_KCA_NYA |
Based on accumulated WAA for this season up to 1998-05-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +045+ | 1.76 | Eric Gunderson | 18.7 | TEX |
| +046+ | 1.75 | Robb Nen | 23.3 | SFN |
| +048+ | 1.72 | Steve Reed | 23 | SFN |
| +051+ | 1.65 | John Johnstone | 22.3 | SFN |
| +053+ | 1.62 | Derek Lowe | 33.7 | BOS |
| +055+ | 1.61 | Mike Trombley | 26 | MIN |
| +059+ | 1.59 | Jeff Shaw | 23.3 | CIN |
| +060+ | 1.58 | Ugueth Urbina | 19.3 | WAS |
| +061+ | 1.57 | Jason Christiansen | 17.7 | PIT |
| +064+ | 1.55 | Mark Leiter | 25 | PHI |
| +074+ | 1.42 | Paul Quantrill | 24 | TOR |
| +075+ | 1.4 | Ricardo Rincon | 16 | PIT |
| +081+ | 1.35 | Chris Peters | 21.7 | PIT |
| +088+ | 1.29 | Julian Tavarez | 27 | SFN |
| +091+ | 1.26 | Esteban Yan | 20.3 | TBA |
| XXXXX | 1.25 | Bob Wickman | 25 | MIL |
| XXXXX | 1.25 | Tom Gordon | 20 | BOS |
| XXXXX | 1.22 | Trevor Hoffman | 18.3 | SDN |
| XXXXX | 1.17 | Terry Adams | 24 | CHN |
| XXXXX | 1.14 | Mariano Rivera | 11 | NYA |
| XXXXX | 1.13 | John Wetteland | 14.7 | TEX |
| XXXXX | 1.13 | Mike Myers | 13.3 | MIL |
| XXXXX | 1.1 | Jim Bruske | 20.7 | LAN |
| XXXXX | 1.06 | Chuck McElroy | 20 | COL |
| XXXXX | 1.04 | Jim Poole | 14.3 | SFN |
_