| 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 | 1.74 | 199806260_NYA_NYN |
| Texas Rangers | TEX | 1 | 199806280_TEX_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Kansas City Royals | KCA | -6.11 | 199806260_CHN_KCA |
| St. Louis Cardinals | SLN | -4.21 | 199806270_SLN_MIN |
| Seattle Mariners | SEA | -2.71 | 199806280_SEA_ARI |
| Chicago White Sox | CHA | -2.54 | 199806270_MIL_CHA |
| Arizona Diamondbacks | ARI | -1.61 | 199806260_SEA_ARI |
Based on accumulated WAA for this season up to 1998-06-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +025+ | 3.88 | Robb Nen | 51.3 | SFN |
| +049+ | 2.93 | Bob Wickman | 47.7 | MIL |
| +057+ | 2.75 | Jeff Shaw | 46.7 | CIN |
| +059+ | 2.7 | Ugueth Urbina | 38.3 | WAS |
| +071+ | 2.53 | Steve Reed | 42 | SFN |
| +073+ | 2.48 | Chuck McElroy | 38 | COL |
| +074+ | 2.44 | Mike Myers | 28.3 | MIL |
| +080+ | 2.33 | Mike DeJean | 44.7 | COL |
| +083+ | 2.29 | Antonio Osuna | 36.7 | LAN |
| +081+ | 2.29 | Jason Christiansen | 34.7 | PIT |
| +085+ | 2.22 | Trevor Hoffman | 36 | SDN |
| +088+ | 2.15 | Eric Gunderson | 35 | TEX |
| +092+ | 2.05 | John Wetteland | 30 | TEX |
| +093+ | 2.05 | Ricardo Rincon | 34.3 | PIT |
| +094+ | 2.04 | Mariano Rivera | 28 | NYA |
| +095+ | 2.04 | Albie Lopez | 48.3 | TBA |
| +096+ | 2.03 | Dennis Cook | 30 | NYN |
| +097+ | 2.03 | Greg Swindell | 50.7 | MIN |
| +098+ | 2.02 | Billy Taylor | 41.7 | OAK |
| +107+ | 1.89 | Jim Corsi | 40.7 | BOS |
| +108+ | 1.85 | Rich Garces | 38.3 | BOS |
| +111+ | 1.83 | Julian Tavarez | 56 | SFN |
| +113+ | 1.81 | Brian Bohanon | 50.3 | NYN |
| +114+ | 1.78 | Billy Wagner | 31.7 | HOU |
| +117+ | 1.76 | Paul Quantrill | 44.3 | TOR |
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