| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 3.53 | 199808160_ATL_LAN |
| Colorado Rockies | COL | 2.85 | 199808150_PHI_COL |
| Cleveland Indians | CLE | 2.11 | 199808140_BAL_CLE |
| Pittsburgh Pirates | PIT | 1.71 | 199808160_PIT_SLN |
| Montreal Expos | WAS | 1.32 | 199808150_WAS_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | -4.1 | 199808150_PIT_SLN |
| Seattle Mariners | SEA | -3.78 | 199808160_SEA_CHA |
| Kansas City Royals | KCA | -3.36 | 199808160_TBA_KCA |
| Oakland Athletics | OAK | -2.02 | 199808160_OAK_DET |
| Arizona Diamondbacks | ARI | -1.66 | 199808140_NYN_ARI |
Based on accumulated WAA for this season up to 1998-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +036+ | 4.93 | Robb Nen | 69.7 | SFN |
| +042+ | 4.41 | Jeff Shaw | 69.3 | TOT |
| +049+ | 3.93 | Steve Reed | 68 | TOT |
| +053+ | 3.89 | Ugueth Urbina | 51.7 | WAS |
| +056+ | 3.82 | Chuck McElroy | 57 | COL |
| +074+ | 3.31 | Trevor Hoffman | 55 | SDN |
| +077+ | 3.26 | Mariano Rivera | 46.3 | NYA |
| +082+ | 3.13 | John Wetteland | 46.3 | TEX |
| +096+ | 2.89 | Terry Mulholland | 68 | CHN |
| +099+ | 2.87 | Ricardo Rincon | 52.7 | PIT |
| +103+ | 2.75 | Dennis Cook | 51.7 | NYN |
| +104+ | 2.73 | Mike Jackson | 49.7 | CLE |
| +105+ | 2.7 | Bob Wickman | 67.3 | MIL |
| +106+ | 2.69 | Mike DeJean | 64.3 | COL |
| +107+ | 2.65 | Donne Wall | 54.7 | SDN |
| +109+ | 2.63 | Ramiro Mendoza | 108 | NYA |
| +110+ | 2.63 | Jim Corsi | 53.7 | BOS |
| +111+ | 2.62 | Jason Christiansen | 54.3 | PIT |
| +116+ | 2.55 | Jim Mecir | 67.7 | TBA |
| +117+ | 2.54 | John Hudek | 49.3 | TOT |
| +119+ | 2.51 | Paul Quantrill | 61.7 | TOR |
| +121+ | 2.45 | Mike Myers | 42.3 | MIL |
| +122+ | 2.43 | Bill Simas | 53.7 | CHA |
| +129+ | 2.37 | Mark Guthrie | 49.7 | LAN |
| +134+ | 2.22 | Jesse Orosco | 45.7 | BAL |
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