| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 6.14 | 198908200_LAN_NYN |
| St. Louis Cardinals | SLN | 2.8 | 198908181_SLN_CIN |
| Oakland Athletics | OAK | 2.69 | 198908200_MIN_OAK |
| San Diego Padres | SDN | 0.73 | 198908180_SDN_WAS |
| Houston Astros | HOU | 0.63 | 198908190_CHN_HOU |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Minnesota Twins | MIN | -3.16 | 198908200_MIN_OAK |
| Chicago White Sox | CHA | -2.79 | 198908180_TEX_CHA |
| San Francisco Giants | SFN | -2.48 | 198908200_SFN_PHI |
| Detroit Tigers | DET | -2.41 | 198908200_NYA_DET |
| Baltimore Orioles | BAL | -1.15 | 198908200_TOR_BAL |
Based on accumulated WAA for this season up to 1989-08-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +025+ | 4.38 | Jay Howell | 66 | LAN |
| +028+ | 4.14 | Jeff Montgomery | 76.7 | KCA |
| +038+ | 3.63 | Bill Landrum | 62.7 | PIT |
| +040+ | 3.52 | Jeff Parrett | 85.7 | PHI |
| +044+ | 3.45 | Larry Andersen | 78 | HOU |
| +053+ | 3.21 | Randy Myers | 68.7 | NYN |
| +056+ | 3.17 | Danny Darwin | 102 | HOU |
| +057+ | 3.15 | Mike Morgan | 137.7 | LAN |
| +064+ | 2.83 | Mitch Williams | 69.3 | CHN |
| +065+ | 2.81 | Todd Burns | 78.3 | OAK |
| +070+ | 2.64 | Rob Dibble | 74.3 | CIN |
| +071+ | 2.62 | Les Lancaster | 37.7 | CHN |
| +075+ | 2.57 | Craig Lefferts | 88 | SFN |
| +079+ | 2.49 | Dennis Eckersley | 36 | OAK |
| +085+ | 2.41 | Roger McDowell | 68.7 | TOT |
| +087+ | 2.41 | Mike Schooler | 61.3 | SEA |
| +091+ | 2.3 | Mark Davis | 65.3 | SDN |
| +097+ | 2.21 | Gregg Olson | 66.3 | BAL |
| +102+ | 2.15 | Jeff Russell | 53 | TEX |
| +106+ | 2.06 | Jim Acker | 97 | ATL |
| +109+ | 2 | Ken Dayley | 59.3 | SLN |
| +114+ | 1.93 | Rob Murphy | 78.3 | BOS |
| +118+ | 1.88 | Jesse Orosco | 54.7 | CLE |
| +119+ | 1.86 | Tom Henke | 62.3 | TOR |
| +124+ | 1.77 | Lee Guetterman | 77.7 | NYA |
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