| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.8 | 199805270_SFN_CIN |
| New York Mets | NYN | 2.52 | 199805260_NYN_MIA |
| Los Angeles Dodgers | LAN | 2.42 | 199805270_LAN_HOU |
| New York Yankees | NYA | 1.5 | 199805270_NYA_CHA |
| Cleveland Indians | CLE | 1.43 | 199805250_DET_CLE |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.97 | 199805270_NYA_CHA |
| Kansas City Royals | KCA | -3.3 | 199805250_KCA_ANA |
| Seattle Mariners | SEA | -2.99 | 199805250_BAL_SEA |
| Arizona Diamondbacks | ARI | -1.16 | 199805270_SDN_ARI |
| Philadelphia Phillies | PHI | -1.12 | 199805250_PHI_WAS |
Based on accumulated WAA for this season up to 1998-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +034+ | 2.43 | Brian Bohanon | 38 | NYN |
| +039+ | 2.31 | Jeff Shaw | 30 | CIN |
| +042+ | 2.28 | Robb Nen | 33 | SFN |
| +047+ | 2.13 | Tom Gordon | 28.7 | BOS |
| +052+ | 2.01 | Steve Reed | 30.3 | SFN |
| +054+ | 1.99 | Ugueth Urbina | 25.3 | WAS |
| +056+ | 1.95 | Eric Gunderson | 23 | TEX |
| +059+ | 1.94 | Ricardo Rincon | 23 | PIT |
| +077+ | 1.73 | Mark Leiter | 31 | PHI |
| +078+ | 1.7 | Bob Wickman | 31 | MIL |
| +080+ | 1.66 | John Johnstone | 29 | SFN |
| +082+ | 1.63 | Trevor Hoffman | 24 | SDN |
| +085+ | 1.63 | Paul Quantrill | 28 | TOR |
| +084+ | 1.63 | Jason Christiansen | 22 | PIT |
| +086+ | 1.6 | Chuck McElroy | 25 | COL |
| +090+ | 1.53 | Julian Tavarez | 36 | SFN |
| +094+ | 1.51 | Mariano Rivera | 16.7 | NYA |
| +096+ | 1.5 | Doug Henry | 26.7 | HOU |
| +099+ | 1.47 | Mike Trombley | 33 | MIN |
| +104+ | 1.46 | Scott Radinsky | 20 | LAN |
| +108+ | 1.42 | Carlos Reyes | 24 | SDN |
| +109+ | 1.42 | Mike Myers | 18 | MIL |
| +107+ | 1.42 | Antonio Osuna | 21.7 | LAN |
| +110+ | 1.38 | Mel Rojas | 21.7 | NYN |
| +116+ | 1.32 | Mark Guthrie | 18.7 | LAN |
_