| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 5.11 | 198908120_LAN_SFN |
| Houston Astros | HOU | 3.18 | 198908120_CIN_HOU |
| St. Louis Cardinals | SLN | 2.62 | 198908141_ATL_SLN |
| Oakland Athletics | OAK | 2.36 | 198908130_OAK_ANA |
| Pittsburgh Pirates | PIT | 1.74 | 198908120_PIT_WAS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -5.15 | 198908120_DET_TEX |
| Chicago White Sox | CHA | -2.32 | 198908130_CHA_SEA |
| Minnesota Twins | MIN | -2.15 | 198908140_MIN_ANA |
| Milwaukee Brewers | MIL | -1.65 | 198908140_NYA_MIL |
| Montreal Expos | WAS | -0.98 | 198908120_PIT_WAS |
Based on accumulated WAA for this season up to 1989-08-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +021+ | 4.49 | Jay Howell | 65 | LAN |
| +029+ | 3.73 | Jeff Montgomery | 72 | KCA |
| +034+ | 3.66 | Bill Landrum | 58 | PIT |
| +040+ | 3.52 | Mike Morgan | 135 | LAN |
| +045+ | 3.42 | Larry Andersen | 72.3 | HOU |
| +047+ | 3.37 | Mitch Williams | 65.7 | CHN |
| +052+ | 3.14 | Randy Myers | 65.3 | NYN |
| +054+ | 3.07 | Jeff Parrett | 80.3 | PHI |
| +057+ | 2.92 | Todd Burns | 77 | OAK |
| +064+ | 2.77 | Danny Darwin | 94.3 | HOU |
| +067+ | 2.7 | Rob Murphy | 77.3 | BOS |
| +068+ | 2.61 | Craig Lefferts | 83.7 | SFN |
| +074+ | 2.5 | Les Lancaster | 31.3 | CHN |
| +076+ | 2.43 | Rob Dibble | 71.7 | CIN |
| +080+ | 2.3 | Dennis Eckersley | 33.7 | OAK |
| +082+ | 2.27 | Jim Acker | 94.7 | ATL |
| +084+ | 2.24 | Mike Schooler | 59.3 | SEA |
| +086+ | 2.21 | Mark Davis | 62 | SDN |
| +094+ | 2.11 | Don Robinson | 165.3 | SFN |
| +096+ | 2.1 | Roger McDowell | 65 | TOT |
| +097+ | 2.09 | Gregg Olson | 65 | BAL |
| +099+ | 2.07 | Rick Honeycutt | 60 | OAK |
| +106+ | 1.97 | Greg Harris | 86 | SDN |
| +114+ | 1.88 | Ken Dayley | 58 | SLN |
| +115+ | 1.85 | Jeff Russell | 49.7 | TEX |
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