| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 5.2 | 198909120_CIN_LAN |
| Toronto Blue Jays | TOR | 2.93 | 198909120_TOR_MIN |
| Oakland Athletics | OAK | 2.4 | 198909130_MIL_OAK |
| St. Louis Cardinals | SLN | 2.25 | 198909140_PIT_SLN |
| California Angels | ANA | 1.87 | 198909130_NYA_ANA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | -4.74 | 198909130_CHA_BAL |
| Chicago White Sox | CHA | -2.78 | 198909120_CHA_BAL |
| Atlanta Braves | ATL | -2.11 | 198909140_ATL_SDN |
| Seattle Mariners | SEA | -1.16 | 198909120_BOS_SEA |
| Montreal Expos | WAS | -0.71 | 198909120_WAS_CHN |
Based on accumulated WAA for this season up to 1989-09-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +024+ | 4.74 | Jeff Montgomery | 86 | KCA |
| +025+ | 4.71 | Jay Howell | 75 | LAN |
| +029+ | 4.5 | Bill Landrum | 75.7 | PIT |
| +045+ | 3.69 | Mike Morgan | 149.3 | LAN |
| +047+ | 3.68 | Larry Andersen | 80.3 | HOU |
| +046+ | 3.68 | Les Lancaster | 57.3 | CHN |
| +055+ | 3.42 | Roger McDowell | 82.3 | TOT |
| +062+ | 3.32 | Danny Darwin | 115.7 | HOU |
| +064+ | 3.19 | Todd Burns | 89.7 | OAK |
| +067+ | 3.13 | Gregg Olson | 76.7 | BAL |
| +069+ | 3.09 | Randy Myers | 79.3 | NYN |
| +070+ | 3.07 | Jim Acker | 113.3 | TOT |
| +073+ | 3.05 | Tom Henke | 79 | TOR |
| +072+ | 3.05 | Mark Davis | 81.3 | SDN |
| +074+ | 3.02 | Rob Dibble | 91.3 | CIN |
| +076+ | 2.94 | Lee Guetterman | 93.3 | NYA |
| +083+ | 2.68 | Dennis Eckersley | 47.7 | OAK |
| +086+ | 2.64 | Jesse Orosco | 68.7 | CLE |
| +087+ | 2.63 | Dennis Lamp | 100.7 | BOS |
| +094+ | 2.47 | Jeff Parrett | 99.7 | PHI |
| +093+ | 2.47 | Bob McClure | 45.3 | ANA |
| +095+ | 2.47 | Jeff Russell | 66.3 | TEX |
| +102+ | 2.35 | Dan Quisenberry | 73.3 | SLN |
| +105+ | 2.31 | Chuck Crim | 102 | MIL |
| +104+ | 2.31 | Dan Plesac | 59.3 | MIL |
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