| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 5.47 | 199808180_LAN_PIT |
| Pittsburgh Pirates | PIT | 2.27 | 199808180_LAN_PIT |
| Colorado Rockies | COL | 1.97 | 199808181_COL_NYN |
| Cleveland Indians | CLE | 1.25 | 199808180_TBA_CLE |
| Montreal Expos | WAS | 1.09 | 199808180_WAS_ARI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Kansas City Royals | KCA | -8.45 | 199808190_BOS_KCA |
| Seattle Mariners | SEA | -4.86 | 199808200_TOR_SEA |
| St. Louis Cardinals | SLN | -2.92 | 199808180_SLN_CHN |
| Oakland Athletics | OAK | -2.06 | 199808180_TOR_OAK |
| Minnesota Twins | MIN | -1.72 | 199808190_NYA_MIN |
Based on accumulated WAA for this season up to 1998-08-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +038+ | 5.03 | Robb Nen | 70.7 | SFN |
| +044+ | 4.5 | Jeff Shaw | 70.3 | TOT |
| +048+ | 4.09 | Steve Reed | 69.7 | TOT |
| +052+ | 3.98 | Ugueth Urbina | 52.7 | WAS |
| +071+ | 3.54 | Trevor Hoffman | 57.3 | SDN |
| +072+ | 3.54 | Chuck McElroy | 58.3 | COL |
| +075+ | 3.36 | Brian Moehler | 173.3 | DET |
| +079+ | 3.23 | John Wetteland | 47.3 | TEX |
| +081+ | 3.17 | Mariano Rivera | 47.7 | NYA |
| +088+ | 3.03 | Ricardo Rincon | 54.3 | PIT |
| +090+ | 3 | Mike DeJean | 67.3 | COL |
| +094+ | 2.93 | Mike Jackson | 51.7 | CLE |
| +099+ | 2.88 | Bob Wickman | 69.3 | MIL |
| +103+ | 2.81 | Dennis Cook | 52.3 | NYN |
| +105+ | 2.74 | Jason Christiansen | 55.7 | PIT |
| +108+ | 2.68 | Terry Mulholland | 70.3 | CHN |
| +109+ | 2.66 | John Hudek | 50.7 | TOT |
| +110+ | 2.65 | Jim Mecir | 68.7 | TBA |
| +111+ | 2.65 | Jim Corsi | 54 | BOS |
| +112+ | 2.6 | Paul Quantrill | 62.7 | TOR |
| +114+ | 2.58 | Ramiro Mendoza | 108 | NYA |
| +116+ | 2.56 | Bill Simas | 55 | CHA |
| +118+ | 2.51 | Antonio Osuna | 61.3 | LAN |
| +127+ | 2.34 | Mike Timlin | 63 | SEA |
| +128+ | 2.32 | Mike Myers | 43.3 | MIL |
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