| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 5.25 | 199805190_SFN_MIL |
| New York Yankees | NYA | 2 | 199805190_BAL_NYA |
| Los Angeles Dodgers | LAN | 1.9 | 199805200_LAN_CHN |
| New York Mets | NYN | 1.82 | 199805191_CIN_NYN |
| Cleveland Indians | CLE | 1.36 | 199805200_CLE_KCA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.89 | 199805180_OAK_CHA |
| Tampa Bay Devil Rays | TBA | -4.78 | 199805180_TBA_BAL |
| Kansas City Royals | KCA | -2.8 | 199805200_CLE_KCA |
| Philadelphia Phillies | PHI | -1.98 | 199805190_SLN_PHI |
| Arizona Diamondbacks | ARI | -1.75 | 199805180_PIT_ARI |
Based on accumulated WAA for this season up to 1998-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +033+ | 2.28 | Robb Nen | 28.3 | SFN |
| +045+ | 1.98 | Jeff Shaw | 27 | CIN |
| +046+ | 1.97 | John Johnstone | 25.3 | SFN |
| +052+ | 1.89 | Tom Gordon | 26.3 | BOS |
| +054+ | 1.88 | Ugueth Urbina | 22 | WAS |
| +057+ | 1.86 | Eric Gunderson | 20 | TEX |
| +059+ | 1.79 | Steve Reed | 25.7 | SFN |
| +068+ | 1.67 | Julian Tavarez | 32.7 | SFN |
| +070+ | 1.59 | Ricardo Rincon | 17.7 | PIT |
| +071+ | 1.55 | Bob Wickman | 27.7 | MIL |
| +073+ | 1.52 | Jason Christiansen | 19 | PIT |
| +074+ | 1.51 | John Wetteland | 18.7 | TEX |
| +076+ | 1.49 | Danny Darwin | 49.3 | SFN |
| +075+ | 1.49 | Mike Trombley | 29 | MIN |
| +078+ | 1.48 | Mike Myers | 16.7 | MIL |
| +085+ | 1.41 | Chuck McElroy | 23.3 | COL |
| +090+ | 1.38 | Paul Quantrill | 25.7 | TOR |
| +092+ | 1.37 | Trevor Hoffman | 21.7 | SDN |
| +094+ | 1.36 | Mark Leiter | 27 | PHI |
| +103+ | 1.31 | Terry Adams | 27.3 | CHN |
| +106+ | 1.29 | Mark Guthrie | 16.3 | LAN |
| XXXXX | 1.22 | Mariano Rivera | 14 | NYA |
| XXXXX | 1.21 | Chris Peters | 28.3 | PIT |
| XXXXX | 1.21 | Bryce Florie | 30.7 | DET |
| XXXXX | 1.18 | Mel Rojas | 19.7 | NYN |
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