| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 1.88 | 199808310_NYN_LAN |
| Colorado Rockies | COL | 1.85 | 199809020_COL_MIL |
| San Francisco Giants | SFN | 1.42 | 199808310_PHI_SFN |
| Montreal Expos | WAS | 1.35 | 199808310_WAS_SDN |
| Boston Red Sox | BOS | 1.18 | 199808310_SEA_BOS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Florida Marlins | MIA | -6.35 | 199808310_SLN_MIA |
| Detroit Tigers | DET | -6.25 | 199809020_TEX_DET |
| Oakland Athletics | OAK | -4.74 | 199808310_OAK_CLE |
| Seattle Mariners | SEA | -2.32 | 199808310_SEA_BOS |
| St. Louis Cardinals | SLN | -1.51 | 199808310_SLN_MIA |
Based on accumulated WAA for this season up to 1998-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +037+ | 5.29 | Robb Nen | 76.7 | SFN |
| +056+ | 4.41 | Ugueth Urbina | 58 | WAS |
| +066+ | 4.01 | Trevor Hoffman | 63.3 | SDN |
| +068+ | 3.98 | Jeff Shaw | 76.7 | TOT |
| +077+ | 3.67 | Dennis Cook | 60 | NYN |
| +078+ | 3.66 | Albie Lopez | 69.7 | TBA |
| +081+ | 3.55 | Mariano Rivera | 53 | NYA |
| +084+ | 3.46 | Mike Jackson | 56.3 | CLE |
| +086+ | 3.45 | Chuck McElroy | 61 | COL |
| +088+ | 3.42 | John Wetteland | 54.7 | TEX |
| +093+ | 3.18 | Paul Quantrill | 69.7 | TOR |
| +094+ | 3.15 | Jason Christiansen | 59.3 | PIT |
| +099+ | 3.08 | Shigetoshi Hasegawa | 88.3 | ANA |
| +100+ | 3.06 | Ramiro Mendoza | 113.7 | NYA |
| +101+ | 2.97 | Tom Gordon | 68.7 | BOS |
| +104+ | 2.96 | Steve Reed | 76.3 | TOT |
| +106+ | 2.93 | John Hudek | 56.7 | TOT |
| +112+ | 2.75 | Terry Mulholland | 78.3 | CHN |
| +116+ | 2.72 | Bill Simas | 58 | CHA |
| +119+ | 2.68 | Donne Wall | 62.7 | SDN |
| +121+ | 2.67 | Juan Acevedo | 84 | SLN |
| +126+ | 2.54 | Mike DeJean | 74.3 | COL |
| +133+ | 2.44 | Xavier Hernandez | 53.3 | TEX |
| +136+ | 2.38 | Ricardo Rincon | 58 | PIT |
| +140+ | 2.34 | Graeme Lloyd | 33 | NYA |
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