| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 4.69 | 198908160_LAN_PHI |
| St. Louis Cardinals | SLN | 2.8 | 198908181_SLN_CIN |
| Oakland Athletics | OAK | 2.38 | 198908160_CLE_OAK |
| San Diego Padres | SDN | 0.82 | 198908160_SDN_NYN |
| Houston Astros | HOU | 0.4 | 198908170_PIT_HOU |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -5.16 | 198908170_NYA_DET |
| Chicago White Sox | CHA | -2.79 | 198908180_TEX_CHA |
| Minnesota Twins | MIN | -2.1 | 198908160_MIN_ANA |
| Milwaukee Brewers | MIL | -1.52 | 198908160_NYA_MIL |
| San Francisco Giants | SFN | -1.03 | 198908180_SFN_PHI |
Based on accumulated WAA for this season up to 1989-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +020+ | 4.49 | Jay Howell | 65 | LAN |
| +028+ | 4.02 | Jeff Montgomery | 75.3 | KCA |
| +030+ | 3.9 | Bill Landrum | 61 | PIT |
| +040+ | 3.51 | Larry Andersen | 76.3 | HOU |
| +043+ | 3.49 | Jeff Parrett | 85.3 | PHI |
| +046+ | 3.42 | Mitch Williams | 69 | CHN |
| +053+ | 3.17 | Mike Morgan | 135.7 | LAN |
| +055+ | 3.12 | Danny Darwin | 99 | HOU |
| +056+ | 3.09 | Randy Myers | 67.3 | NYN |
| +062+ | 2.87 | Craig Lefferts | 86.7 | SFN |
| +066+ | 2.72 | Todd Burns | 77.3 | OAK |
| +067+ | 2.71 | Les Lancaster | 36.3 | CHN |
| +070+ | 2.63 | Rob Dibble | 74.3 | CIN |
| +075+ | 2.5 | Dennis Eckersley | 36 | OAK |
| +082+ | 2.41 | Mike Schooler | 61.3 | SEA |
| +091+ | 2.23 | Roger McDowell | 66.7 | TOT |
| +094+ | 2.21 | Mark Davis | 62 | SDN |
| +096+ | 2.2 | Gregg Olson | 66.3 | BAL |
| +102+ | 2.06 | Jeff Russell | 52 | TEX |
| +105+ | 2 | Ken Dayley | 59.3 | SLN |
| +109+ | 1.99 | Jesse Orosco | 53.7 | CLE |
| +110+ | 1.98 | Greg Harris | 86 | SDN |
| +113+ | 1.95 | Rob Murphy | 78.3 | BOS |
| +117+ | 1.89 | Jim Acker | 95 | ATL |
| +126+ | 1.76 | Dennis Lamp | 81 | BOS |
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