| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.36 | 199805300_ARI_SFN |
| Los Angeles Dodgers | LAN | 2.63 | 199805290_CIN_LAN |
| New York Mets | NYN | 2.6 | 199805300_NYN_PHI |
| Cleveland Indians | CLE | 1.83 | 199805310_CLE_TOR |
| New York Yankees | NYA | 1.21 | 199805310_BOS_NYA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -6.02 | 199805300_CHA_DET |
| Kansas City Royals | KCA | -3.02 | 199805310_OAK_KCA |
| Florida Marlins | MIA | -2.88 | 199805310_MIA_MIL |
| Seattle Mariners | SEA | -1.98 | 199805300_SEA_TBA |
| Arizona Diamondbacks | ARI | -1.39 | 199805290_ARI_SFN |
Based on accumulated WAA for this season up to 1998-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +031+ | 2.73 | Jeff Shaw | 34 | CIN |
| +033+ | 2.66 | Brian Bohanon | 40 | NYN |
| +039+ | 2.51 | Robb Nen | 35 | SFN |
| +046+ | 2.37 | Tom Gordon | 30.7 | BOS |
| +055+ | 2.14 | Steve Reed | 31.3 | SFN |
| +056+ | 2.12 | Eric Gunderson | 26.3 | TEX |
| +061+ | 2.01 | Bob Wickman | 34 | MIL |
| +062+ | 1.98 | Chuck McElroy | 28.3 | COL |
| +063+ | 1.96 | Ricardo Rincon | 23 | PIT |
| +072+ | 1.84 | Ugueth Urbina | 27.7 | WAS |
| +074+ | 1.82 | Mark Leiter | 33.7 | PHI |
| +079+ | 1.75 | Jason Christiansen | 23 | PIT |
| +086+ | 1.65 | Trevor Hoffman | 24 | SDN |
| +091+ | 1.58 | John Johnstone | 30 | SFN |
| +092+ | 1.53 | Mike Myers | 19 | MIL |
| +093+ | 1.52 | Mariano Rivera | 16.7 | NYA |
| +103+ | 1.46 | Antonio Osuna | 24 | LAN |
| +105+ | 1.44 | Carlos Reyes | 24 | SDN |
| +111+ | 1.39 | Mel Rojas | 23.7 | NYN |
| +112+ | 1.38 | Mike DeJean | 28.7 | COL |
| +114+ | 1.33 | Paul Quantrill | 31 | TOR |
| +117+ | 1.31 | Terry Adams | 33.3 | CHN |
| +121+ | 1.28 | John Wetteland | 20.3 | TEX |
| XXXXX | 1.23 | Bill Risley | 28 | TOR |
| XXXXX | 1.21 | Billy Wagner | 21.7 | HOU |
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