| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Yankees | NYA | 3.61 | 199805130_TEX_NYA |
| San Francisco Giants | SFN | 2.91 | 199805141_WAS_SFN |
| Los Angeles Dodgers | LAN | 2.26 | 199805120_PHI_LAN |
| New York Mets | NYN | 2.11 | 199805141_NYN_SDN |
| Cleveland Indians | CLE | 1.37 | 199805120_CLE_TBA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Kansas City Royals | KCA | -4.5 | 199805140_KCA_TBA |
| Chicago White Sox | CHA | -4.23 | 199805140_SEA_CHA |
| Tampa Bay Devil Rays | TBA | -2.73 | 199805120_CLE_TBA |
| Arizona Diamondbacks | ARI | -2.41 | 199805140_MIL_ARI |
| Seattle Mariners | SEA | -1.87 | 199805130_SEA_DET |
Based on accumulated WAA for this season up to 1998-05-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +038+ | 1.85 | Robb Nen | 24.3 | SFN |
| +040+ | 1.83 | Eric Gunderson | 19.7 | TEX |
| +050+ | 1.71 | Steve Reed | 23 | SFN |
| +054+ | 1.68 | Mike Trombley | 27 | MIN |
| +052+ | 1.68 | Jeff Shaw | 24.3 | CIN |
| +057+ | 1.65 | John Johnstone | 22.3 | SFN |
| +058+ | 1.64 | Mark Leiter | 26 | PHI |
| +062+ | 1.59 | Julian Tavarez | 30 | SFN |
| +064+ | 1.58 | Ugueth Urbina | 19.3 | WAS |
| +063+ | 1.58 | Derek Lowe | 33.7 | BOS |
| +067+ | 1.57 | Jason Christiansen | 17.7 | PIT |
| +071+ | 1.53 | Tom Gordon | 23 | BOS |
| +081+ | 1.4 | Ricardo Rincon | 16 | PIT |
| +087+ | 1.34 | Chris Peters | 21.7 | PIT |
| +090+ | 1.32 | Trevor Hoffman | 19.3 | SDN |
| XXXXX | 1.25 | Bob Wickman | 25 | MIL |
| XXXXX | 1.23 | Paul Quantrill | 24.3 | TOR |
| XXXXX | 1.21 | John Wetteland | 15.7 | TEX |
| XXXXX | 1.2 | Mel Rojas | 16 | NYN |
| XXXXX | 1.16 | Mike Myers | 13.7 | MIL |
| XXXXX | 1.15 | Chuck McElroy | 21 | COL |
| XXXXX | 1.14 | Esteban Yan | 21.3 | TBA |
| XXXXX | 1.12 | Terry Adams | 25.7 | CHN |
| XXXXX | 1.11 | Mariano Rivera | 13 | NYA |
| XXXXX | 1.04 | Omar Daal | 19.7 | ARI |
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