| Team | Tm | Tier | Game |
|---|---|---|---|
| Colorado Rockies | COL | 2.46 | 199809070_MIA_COL |
| Houston Astros | HOU | 2.27 | 199809080_CIN_HOU |
| New York Yankees | NYA | 1.48 | 199809080_NYA_BOS |
| Los Angeles Dodgers | LAN | 1.19 | 199809090_LAN_ARI |
| San Francisco Giants | SFN | 0.87 | 199809090_SFN_SDN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | -8.84 | 199809090_BAL_OAK |
| Kansas City Royals | KCA | -6.97 | 199809090_KCA_TEX |
| Seattle Mariners | SEA | -5.03 | 199809070_BAL_SEA |
| Chicago White Sox | CHA | -1.59 | 199809080_DET_CHA |
| St. Louis Cardinals | SLN | -1.07 | 199809070_CHN_SLN |
Based on accumulated WAA for this season up to 1998-09-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +035+ | 5.61 | Robb Nen | 79.7 | SFN |
| +055+ | 4.76 | Ugueth Urbina | 61.3 | WAS |
| +067+ | 4.26 | Trevor Hoffman | 65.7 | SDN |
| +070+ | 4.13 | Jeff Shaw | 78 | TOT |
| +076+ | 3.87 | Albie Lopez | 71.7 | TBA |
| +081+ | 3.77 | Dennis Cook | 61 | NYN |
| +083+ | 3.73 | Mike Jackson | 59 | CLE |
| +082+ | 3.73 | Chuck McElroy | 65.7 | COL |
| +086+ | 3.52 | Mariano Rivera | 56.7 | NYA |
| +088+ | 3.48 | Ramiro Mendoza | 121.7 | NYA |
| +089+ | 3.45 | John Wetteland | 55 | TEX |
| +095+ | 3.16 | Terry Mulholland | 84.3 | CHN |
| +097+ | 3.1 | Paul Quantrill | 73.3 | TOR |
| +098+ | 3.08 | Juan Acevedo | 88 | SLN |
| +099+ | 3.08 | Tom Gordon | 69.7 | BOS |
| +100+ | 3.04 | Donne Wall | 66 | SDN |
| +101+ | 2.97 | Jason Christiansen | 61.7 | PIT |
| +102+ | 2.96 | Shigetoshi Hasegawa | 91.3 | ANA |
| +118+ | 2.62 | Steve Kline | 69 | WAS |
| +122+ | 2.59 | Ricardo Rincon | 60 | PIT |
| +124+ | 2.57 | Billy Wagner | 51.7 | HOU |
| +131+ | 2.49 | John Hudek | 58.3 | TOT |
| +130+ | 2.49 | Scott Service | 76.7 | KCA |
| +133+ | 2.44 | Kerry Ligtenberg | 65.7 | ATL |
| +137+ | 2.38 | Graeme Lloyd | 33.3 | NYA |
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