| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 4.32 | 198908060_SDN_LAN |
| Oakland Athletics | OAK | 1.83 | 198908060_OAK_SEA |
| St. Louis Cardinals | SLN | 1.75 | 198908050_PHI_SLN |
| Houston Astros | HOU | 1.61 | 198908040_HOU_SFN |
| Pittsburgh Pirates | PIT | 1.23 | 198908060_CHN_PIT |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -5.6 | 198908050_DET_CHA |
| Chicago White Sox | CHA | -2.75 | 198908060_DET_CHA |
| Minnesota Twins | MIN | -1.87 | 198908040_KCA_MIN |
| Boston Red Sox | BOS | -1.79 | 198908040_CLE_BOS |
| Seattle Mariners | SEA | -1.78 | 198908040_OAK_SEA |
Based on accumulated WAA for this season up to 1989-08-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +022+ | 4.15 | Jay Howell | 61 | LAN |
| +025+ | 3.94 | Larry Andersen | 66.3 | HOU |
| +030+ | 3.56 | Jeff Montgomery | 70 | KCA |
| +035+ | 3.5 | Bill Landrum | 56.3 | PIT |
| +041+ | 3.27 | Mike Morgan | 132 | LAN |
| +048+ | 2.99 | Mitch Williams | 61.3 | CHN |
| +051+ | 2.93 | Danny Darwin | 91.7 | HOU |
| +056+ | 2.77 | Craig Lefferts | 78 | SFN |
| +057+ | 2.73 | Randy Myers | 60.7 | NYN |
| +058+ | 2.71 | Doug Drabek | 163.7 | PIT |
| +063+ | 2.59 | Les Lancaster | 30 | CHN |
| +064+ | 2.59 | Rob Murphy | 73.7 | BOS |
| +066+ | 2.52 | Todd Burns | 72.3 | OAK |
| +070+ | 2.44 | Jeff Parrett | 73.3 | PHI |
| +076+ | 2.3 | Mike Schooler | 52.7 | SEA |
| +080+ | 2.2 | Donn Pall | 67.7 | CHA |
| +085+ | 2.1 | Dennis Eckersley | 31.3 | OAK |
| +086+ | 2.09 | Rob Dibble | 68 | CIN |
| +092+ | 2.02 | Mark Grant | 72 | SDN |
| +101+ | 1.91 | Jim Acker | 86 | ATL |
| +103+ | 1.88 | Roger McDowell | 62.7 | TOT |
| +104+ | 1.85 | Jeff Russell | 47.3 | TEX |
| +105+ | 1.84 | Rick Honeycutt | 57.3 | OAK |
| +108+ | 1.83 | Mark Davis | 57.7 | SDN |
| +111+ | 1.76 | Eric Plunk | 55.7 | TOT |
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