| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 4.79 | 198908080_ATL_LAN |
| Oakland Athletics | OAK | 1.84 | 198908070_OAK_SEA |
| St. Louis Cardinals | SLN | 1.74 | 198908060_PHI_SLN |
| Pittsburgh Pirates | PIT | 1.71 | 198908080_SLN_PIT |
| Philadelphia Phillies | PHI | 1.03 | 198908060_PHI_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -7.59 | 198908080_MIL_DET |
| Chicago White Sox | CHA | -2.75 | 198908060_DET_CHA |
| Minnesota Twins | MIN | -1.92 | 198908070_MIN_BAL |
| Baltimore Orioles | BAL | -1.51 | 198908060_TEX_BAL |
| Boston Red Sox | BOS | -1.24 | 198908060_CLE_BOS |
Based on accumulated WAA for this season up to 1989-08-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +024+ | 4.14 | Jay Howell | 61 | LAN |
| +027+ | 3.9 | Larry Andersen | 68.3 | HOU |
| +031+ | 3.58 | Bill Landrum | 57.3 | PIT |
| +035+ | 3.54 | Jeff Montgomery | 70 | KCA |
| +044+ | 3.34 | Mike Morgan | 133 | LAN |
| +049+ | 3.09 | Mitch Williams | 62.7 | CHN |
| +053+ | 2.93 | Danny Darwin | 91.7 | HOU |
| +057+ | 2.73 | Randy Myers | 60.7 | NYN |
| +060+ | 2.69 | Doug Drabek | 163.7 | PIT |
| +062+ | 2.68 | Craig Lefferts | 82 | SFN |
| +064+ | 2.64 | Les Lancaster | 30.7 | CHN |
| +066+ | 2.59 | Rob Murphy | 73.7 | BOS |
| +070+ | 2.47 | Mike Schooler | 54.7 | SEA |
| +072+ | 2.43 | Jeff Parrett | 73.3 | PHI |
| +082+ | 2.15 | Dennis Eckersley | 32 | OAK |
| +088+ | 2.09 | Rob Dibble | 68 | CIN |
| +090+ | 2.06 | Donn Pall | 68.7 | CHA |
| +096+ | 1.95 | Rick Honeycutt | 58.7 | OAK |
| +103+ | 1.91 | Jim Acker | 86 | ATL |
| +101+ | 1.91 | Mark Davis | 58.7 | SDN |
| +104+ | 1.91 | Roger McDowell | 63 | TOT |
| +107+ | 1.85 | Jeff Russell | 47.3 | TEX |
| +112+ | 1.77 | Eric Plunk | 55.7 | TOT |
| +114+ | 1.76 | Jesse Orosco | 48.7 | CLE |
| +120+ | 1.68 | Gregg Olson | 60 | BAL |
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