| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 4.79 | 198908080_ATL_LAN |
| Oakland Athletics | OAK | 2.09 | 198908090_OAK_CHA |
| Pittsburgh Pirates | PIT | 1.84 | 198908090_SLN_PIT |
| St. Louis Cardinals | SLN | 1.6 | 198908080_SLN_PIT |
| San Diego Padres | SDN | 0.94 | 198908070_HOU_SDN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -7.59 | 198908080_MIL_DET |
| Chicago White Sox | CHA | -2.43 | 198908090_OAK_CHA |
| Minnesota Twins | MIN | -2.06 | 198908090_MIN_BAL |
| Baltimore Orioles | BAL | -1.46 | 198908070_MIN_BAL |
| Milwaukee Brewers | MIL | -1.14 | 198908090_MIL_DET |
Based on accumulated WAA for this season up to 1989-08-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +023+ | 4.14 | Jay Howell | 61 | LAN |
| +028+ | 3.89 | Larry Andersen | 68.3 | HOU |
| +035+ | 3.58 | Bill Landrum | 57.3 | PIT |
| +038+ | 3.54 | Jeff Montgomery | 70 | KCA |
| +040+ | 3.5 | Mike Morgan | 135 | LAN |
| +047+ | 3.26 | Mitch Williams | 64.7 | CHN |
| +055+ | 2.93 | Danny Darwin | 91.7 | HOU |
| +059+ | 2.72 | Randy Myers | 60.7 | NYN |
| +060+ | 2.72 | Doug Drabek | 171.7 | PIT |
| +062+ | 2.7 | Rob Murphy | 75 | BOS |
| +064+ | 2.67 | Craig Lefferts | 82 | SFN |
| +065+ | 2.64 | Les Lancaster | 30.7 | CHN |
| +069+ | 2.54 | Todd Burns | 73 | OAK |
| +070+ | 2.51 | Jeff Parrett | 74.3 | PHI |
| +071+ | 2.46 | Mike Schooler | 54.7 | SEA |
| +079+ | 2.14 | Dennis Eckersley | 32 | OAK |
| +084+ | 2.08 | Rob Dibble | 68 | CIN |
| +089+ | 2.05 | Rick Honeycutt | 60 | OAK |
| +091+ | 2.04 | Donn Pall | 68.7 | CHA |
| +092+ | 2.03 | Jim Acker | 90 | ATL |
| +097+ | 1.99 | Roger McDowell | 64 | TOT |
| +096+ | 1.99 | Mark Davis | 59.7 | SDN |
| +100+ | 1.94 | Jeff Russell | 48.3 | TEX |
| +113+ | 1.76 | Eric Plunk | 55.7 | TOT |
| +114+ | 1.75 | Gregg Olson | 61 | BAL |
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