| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 5.25 | 199805190_SFN_MIL |
| New York Yankees | NYA | 2.07 | 199805210_BAL_NYA |
| Los Angeles Dodgers | LAN | 1.9 | 199805200_LAN_CHN |
| New York Mets | NYN | 1.82 | 199805191_CIN_NYN |
| Cleveland Indians | CLE | 1.48 | 199805210_CLE_KCA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.63 | 199805200_CHA_BOS |
| Tampa Bay Devil Rays | TBA | -4.22 | 199805190_TBA_TOR |
| Kansas City Royals | KCA | -2.99 | 199805210_CLE_KCA |
| Seattle Mariners | SEA | -1.99 | 199805210_SEA_TEX |
| Philadelphia Phillies | PHI | -1.98 | 199805190_SLN_PHI |
Based on accumulated WAA for this season up to 1998-05-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +038+ | 2.27 | Robb Nen | 28.3 | SFN |
| +045+ | 2.06 | John Johnstone | 26.3 | SFN |
| +049+ | 1.98 | Jeff Shaw | 27 | CIN |
| +055+ | 1.88 | Tom Gordon | 26.3 | BOS |
| +054+ | 1.88 | Eric Gunderson | 20.3 | TEX |
| +057+ | 1.87 | Ugueth Urbina | 22 | WAS |
| +062+ | 1.79 | Steve Reed | 25.7 | SFN |
| +066+ | 1.69 | Ricardo Rincon | 18.7 | PIT |
| +070+ | 1.66 | Julian Tavarez | 32.7 | SFN |
| +074+ | 1.54 | Bob Wickman | 27.7 | MIL |
| +075+ | 1.51 | Jason Christiansen | 19 | PIT |
| +078+ | 1.5 | John Wetteland | 18.7 | TEX |
| +082+ | 1.48 | Paul Quantrill | 26.7 | TOR |
| +081+ | 1.48 | Danny Darwin | 49.3 | SFN |
| +080+ | 1.48 | Mike Myers | 16.7 | MIL |
| +084+ | 1.45 | Mark Leiter | 28 | PHI |
| +087+ | 1.43 | Bryce Florie | 33 | DET |
| +090+ | 1.41 | Chuck McElroy | 23.3 | COL |
| +098+ | 1.37 | Trevor Hoffman | 21.7 | SDN |
| +100+ | 1.35 | Mark Guthrie | 17 | LAN |
| +104+ | 1.32 | Mariano Rivera | 15 | NYA |
| XXXXX | 1.2 | Chris Peters | 28.3 | PIT |
| XXXXX | 1.17 | Mel Rojas | 19.7 | NYN |
| XXXXX | 1.17 | Antonio Osuna | 19.3 | LAN |
| XXXXX | 1.15 | Mike Trombley | 30 | MIN |
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