| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 4.36 | 199805230_SFN_SLN |
| New York Yankees | NYA | 1.91 | 199805230_NYA_BOS |
| Los Angeles Dodgers | LAN | 1.78 | 199805250_LAN_HOU |
| New York Mets | NYN | 1.51 | 199805240_MIL_NYN |
| Cleveland Indians | CLE | 1.43 | 199805250_DET_CLE |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.79 | 199805230_DET_CHA |
| Kansas City Royals | KCA | -3.45 | 199805240_KCA_TEX |
| Seattle Mariners | SEA | -2.99 | 199805250_BAL_SEA |
| Tampa Bay Devil Rays | TBA | -1.16 | 199805230_TBA_SEA |
| Philadelphia Phillies | PHI | -1.12 | 199805250_PHI_WAS |
Based on accumulated WAA for this season up to 1998-05-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +039+ | 2.2 | Jeff Shaw | 29 | CIN |
| +041+ | 2.17 | Robb Nen | 32 | SFN |
| +051+ | 2.02 | Tom Gordon | 27.7 | BOS |
| +053+ | 1.98 | Ugueth Urbina | 25.3 | WAS |
| +055+ | 1.95 | Eric Gunderson | 23 | TEX |
| +056+ | 1.93 | Steve Reed | 29.7 | SFN |
| +059+ | 1.91 | Ricardo Rincon | 20.7 | PIT |
| +074+ | 1.73 | Julian Tavarez | 36 | SFN |
| +073+ | 1.73 | Mark Leiter | 31 | PHI |
| +077+ | 1.67 | Bob Wickman | 28.7 | MIL |
| +080+ | 1.63 | Paul Quantrill | 28 | TOR |
| +082+ | 1.6 | Chuck McElroy | 25 | COL |
| +086+ | 1.55 | John Johnstone | 28 | SFN |
| +093+ | 1.49 | Trevor Hoffman | 22.7 | SDN |
| +094+ | 1.49 | Jason Christiansen | 20.7 | PIT |
| +105+ | 1.35 | Mike Myers | 17.3 | MIL |
| +108+ | 1.33 | Mariano Rivera | 15 | NYA |
| +111+ | 1.32 | Carlos Reyes | 23 | SDN |
| +112+ | 1.32 | Scott Radinsky | 18.7 | LAN |
| +110+ | 1.32 | Doug Henry | 25 | HOU |
| +115+ | 1.31 | Antonio Osuna | 20.7 | LAN |
| +119+ | 1.28 | Mel Rojas | 20.7 | NYN |
| +121+ | 1.27 | Mike Trombley | 31 | MIN |
| XXXXX | 1.25 | Mark Guthrie | 18 | LAN |
| XXXXX | 1.19 | John Wetteland | 19.7 | TEX |
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