| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.89 | 199806280_TEX_SFN |
| Los Angeles Dodgers | LAN | 2.72 | 199806270_PIT_LAN |
| Cleveland Indians | CLE | 2.26 | 199806270_HOU_CLE |
| New York Mets | NYN | 1.62 | 199806300_NYN_TOR |
| Texas Rangers | TEX | 1.1 | 199806300_LAN_TEX |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Kansas City Royals | KCA | -5.71 | 199806270_CHN_KCA |
| St. Louis Cardinals | SLN | -4.23 | 199806300_KCA_SLN |
| Seattle Mariners | SEA | -2.93 | 199806300_COL_SEA |
| Chicago White Sox | CHA | -2.66 | 199806300_CHA_HOU |
| Arizona Diamondbacks | ARI | -1.36 | 199806280_SEA_ARI |
Based on accumulated WAA for this season up to 1998-06-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +027+ | 3.89 | Robb Nen | 51.3 | SFN |
| +047+ | 3.1 | Bob Wickman | 49.3 | MIL |
| +059+ | 2.85 | Jeff Shaw | 47.7 | CIN |
| +064+ | 2.71 | Ugueth Urbina | 38.3 | WAS |
| +072+ | 2.54 | Steve Reed | 42 | SFN |
| +073+ | 2.52 | Chuck McElroy | 38.3 | COL |
| +074+ | 2.51 | Mike Myers | 29 | MIL |
| +076+ | 2.43 | Jason Christiansen | 36 | PIT |
| +079+ | 2.39 | Antonio Osuna | 37.7 | LAN |
| +080+ | 2.37 | Mike DeJean | 45 | COL |
| +090+ | 2.18 | Greg Swindell | 52 | MIN |
| +092+ | 2.15 | Eric Gunderson | 35 | TEX |
| +096+ | 2.05 | Ricardo Rincon | 34.3 | PIT |
| +097+ | 2.05 | Mariano Rivera | 28 | NYA |
| +095+ | 2.05 | John Wetteland | 30 | TEX |
| +098+ | 2.04 | Albie Lopez | 48.3 | TBA |
| +099+ | 2.04 | Dennis Cook | 30 | NYN |
| +110+ | 1.91 | Julian Tavarez | 56.7 | SFN |
| +112+ | 1.87 | Trevor Hoffman | 36.7 | SDN |
| +114+ | 1.82 | Brian Bohanon | 50.3 | NYN |
| +115+ | 1.79 | Billy Wagner | 31.7 | HOU |
| +117+ | 1.78 | Tom Gordon | 43.7 | BOS |
| +116+ | 1.78 | Jim Corsi | 41.7 | BOS |
| +118+ | 1.77 | Paul Quantrill | 44.3 | TOR |
| +121+ | 1.75 | Rich Garces | 39.3 | BOS |
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