| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 6 | 199807100_SDN_LAN |
| San Francisco Giants | SFN | 3.34 | 199807100_SFN_COL |
| Texas Rangers | TEX | 1.3 | 199807100_TEX_OAK |
| San Diego Padres | SDN | 0.9 | 199807110_SDN_LAN |
| Milwaukee Brewers | MIL | 0.87 | 199807100_CHN_MIL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Kansas City Royals | KCA | -4.85 | 199807110_KCA_CHA |
| Chicago White Sox | CHA | -3.88 | 199807100_KCA_CHA |
| Arizona Diamondbacks | ARI | -3.26 | 199807120_CIN_ARI |
| St. Louis Cardinals | SLN | -3.08 | 199807110_HOU_SLN |
| Seattle Mariners | SEA | -2.62 | 199807100_ANA_SEA |
Based on accumulated WAA for this season up to 1998-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +008+ | 5.81 | Kevin Brown | 140.7 | SDN |
| +024+ | 4.29 | Robb Nen | 55.3 | SFN |
| +047+ | 3.13 | Jeff Shaw | 50.7 | TOT |
| +052+ | 3.03 | Steve Reed | 47 | SFN |
| +053+ | 3 | Ugueth Urbina | 41.3 | WAS |
| +063+ | 2.88 | Albie Lopez | 56.7 | TBA |
| +066+ | 2.85 | Mike Myers | 32.3 | MIL |
| +075+ | 2.69 | Chuck McElroy | 42 | COL |
| +078+ | 2.65 | Mike DeJean | 49.7 | COL |
| +079+ | 2.6 | Mariano Rivera | 33.7 | NYA |
| +081+ | 2.55 | John Wetteland | 35 | TEX |
| +082+ | 2.53 | Bob Wickman | 52 | MIL |
| +083+ | 2.49 | Dennis Cook | 36.7 | NYN |
| +086+ | 2.44 | Antonio Osuna | 42.3 | LAN |
| +087+ | 2.42 | Jason Christiansen | 38 | PIT |
| +090+ | 2.33 | Julian Tavarez | 63 | SFN |
| +096+ | 2.18 | Trevor Hoffman | 39.7 | SDN |
| +106+ | 2.09 | Eric Gunderson | 36.7 | TEX |
| +110+ | 1.99 | Mike Jackson | 34 | CLE |
| +113+ | 1.97 | Dustin Hermanson | 88.3 | WAS |
| +114+ | 1.96 | Ricardo Rincon | 37.7 | PIT |
| +119+ | 1.89 | Mark Guthrie | 37 | LAN |
| +120+ | 1.88 | Paul Quantrill | 47.7 | TOR |
| +124+ | 1.77 | Bill Simas | 39.3 | CHA |
| +123+ | 1.77 | Jim Corsi | 45.7 | BOS |
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