| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.53 | 199805260_SFN_CIN |
| New York Mets | NYN | 2.52 | 199805260_NYN_MIA |
| Los Angeles Dodgers | LAN | 1.91 | 199805260_LAN_HOU |
| New York Yankees | NYA | 1.59 | 199805240_NYA_BOS |
| Cleveland Indians | CLE | 1.43 | 199805250_DET_CLE |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.58 | 199805260_NYA_CHA |
| Kansas City Royals | KCA | -3.45 | 199805240_KCA_TEX |
| Seattle Mariners | SEA | -2.99 | 199805250_BAL_SEA |
| Philadelphia Phillies | PHI | -1.12 | 199805250_PHI_WAS |
| Arizona Diamondbacks | ARI | -1.12 | 199805240_LAN_ARI |
Based on accumulated WAA for this season up to 1998-05-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +033+ | 2.43 | Brian Bohanon | 38 | NYN |
| +038+ | 2.28 | Robb Nen | 33 | SFN |
| +041+ | 2.21 | Jeff Shaw | 29 | CIN |
| +045+ | 2.13 | Tom Gordon | 28.7 | BOS |
| +050+ | 2.02 | Ricardo Rincon | 21.7 | PIT |
| +053+ | 1.99 | Ugueth Urbina | 25.3 | WAS |
| +054+ | 1.97 | Steve Reed | 30 | SFN |
| +056+ | 1.96 | Eric Gunderson | 23 | TEX |
| +072+ | 1.74 | Julian Tavarez | 36 | SFN |
| +071+ | 1.74 | Mark Leiter | 31 | PHI |
| +077+ | 1.66 | John Johnstone | 29 | SFN |
| +080+ | 1.64 | Bob Wickman | 30.3 | MIL |
| +082+ | 1.63 | Paul Quantrill | 28 | TOR |
| +085+ | 1.61 | Chuck McElroy | 25 | COL |
| +092+ | 1.53 | Jason Christiansen | 21 | PIT |
| +093+ | 1.51 | Mariano Rivera | 16.7 | NYA |
| +094+ | 1.5 | Trevor Hoffman | 22.7 | SDN |
| +098+ | 1.43 | Carlos Reyes | 24 | SDN |
| +102+ | 1.39 | Mike Myers | 17.7 | MIL |
| +103+ | 1.39 | Mel Rojas | 21.7 | NYN |
| +111+ | 1.33 | Doug Henry | 25 | HOU |
| +113+ | 1.32 | Scott Radinsky | 18.7 | LAN |
| +114+ | 1.32 | Antonio Osuna | 20.7 | LAN |
| +118+ | 1.28 | Mike Trombley | 31 | MIN |
| +120+ | 1.26 | Jim Corsi | 26.3 | BOS |
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