| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.8 | 199807020_SFN_ANA |
| San Diego Padres | SDN | 3.08 | 199807040_COL_SDN |
| Los Angeles Dodgers | LAN | 1.92 | 199807030_LAN_SFN |
| Texas Rangers | TEX | 1.46 | 199807030_SEA_TEX |
| New York Mets | NYN | 0.92 | 199807030_NYN_ATL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.91 | 199807020_CHA_HOU |
| Kansas City Royals | KCA | -3.91 | 199807030_CLE_KCA |
| Arizona Diamondbacks | ARI | -3.19 | 199807020_ARI_CHN |
| St. Louis Cardinals | SLN | -3.11 | 199807020_KCA_SLN |
| Seattle Mariners | SEA | -2.57 | 199807040_SEA_TEX |
Based on accumulated WAA for this season up to 1998-07-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +010+ | 5.42 | Kevin Brown | 134.7 | SDN |
| +024+ | 4.19 | Robb Nen | 54.3 | SFN |
| +051+ | 3.05 | Jeff Shaw | 49.7 | CIN |
| +055+ | 2.97 | Bob Wickman | 50 | MIL |
| +064+ | 2.81 | Ugueth Urbina | 39.3 | WAS |
| +067+ | 2.73 | Steve Reed | 44 | SFN |
| +071+ | 2.65 | Mike Myers | 30.3 | MIL |
| +072+ | 2.6 | Antonio Osuna | 39.7 | LAN |
| +075+ | 2.47 | Julian Tavarez | 62.3 | SFN |
| +076+ | 2.45 | Albie Lopez | 52.3 | TBA |
| +079+ | 2.38 | Mike DeJean | 47 | COL |
| +081+ | 2.35 | Chuck McElroy | 38.7 | COL |
| +083+ | 2.33 | Jason Christiansen | 37 | PIT |
| +084+ | 2.31 | Mariano Rivera | 30.7 | NYA |
| +090+ | 2.21 | Eric Gunderson | 35.7 | TEX |
| +093+ | 2.15 | John Wetteland | 31 | TEX |
| +095+ | 2.12 | Dustin Hermanson | 83.3 | WAS |
| +101+ | 2.05 | Ricardo Rincon | 36.3 | PIT |
| +102+ | 2.04 | Dennis Cook | 32 | NYN |
| +108+ | 1.98 | Trevor Hoffman | 37.7 | SDN |
| +112+ | 1.9 | Mike Jackson | 33 | CLE |
| +117+ | 1.82 | Paul Quantrill | 45 | TOR |
| +120+ | 1.77 | Tom Gordon | 43.7 | BOS |
| +123+ | 1.74 | Greg Swindell | 54 | MIN |
| +122+ | 1.74 | Rich Garces | 39.3 | BOS |
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