| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 6.36 | 198908210_LAN_WAS |
| Oakland Athletics | OAK | 2.69 | 198908200_MIN_OAK |
| St. Louis Cardinals | SLN | 2.31 | 198908200_SLN_CIN |
| California Angels | ANA | 1.22 | 198908210_ANA_KCA |
| Kansas City Royals | KCA | 0.76 | 198908210_ANA_KCA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Minnesota Twins | MIN | -3.16 | 198908200_MIN_OAK |
| Chicago White Sox | CHA | -2.75 | 198908190_TEX_CHA |
| San Francisco Giants | SFN | -2.71 | 198908210_SFN_NYN |
| Detroit Tigers | DET | -2.52 | 198908210_OAK_DET |
| Baltimore Orioles | BAL | -1.15 | 198908200_TOR_BAL |
Based on accumulated WAA for this season up to 1989-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +025+ | 4.46 | Jay Howell | 67 | LAN |
| +028+ | 4.13 | Jeff Montgomery | 76.7 | KCA |
| +038+ | 3.63 | Bill Landrum | 62.7 | PIT |
| +040+ | 3.52 | Jeff Parrett | 85.7 | PHI |
| +045+ | 3.44 | Larry Andersen | 78 | HOU |
| +050+ | 3.27 | Randy Myers | 69.3 | NYN |
| +057+ | 3.16 | Danny Darwin | 102 | HOU |
| +058+ | 3.15 | Mike Morgan | 137.7 | LAN |
| +065+ | 2.82 | Mitch Williams | 69.3 | CHN |
| +066+ | 2.81 | Todd Burns | 78.3 | OAK |
| +067+ | 2.8 | Rob Dibble | 76.3 | CIN |
| +075+ | 2.62 | Les Lancaster | 37.7 | CHN |
| +077+ | 2.57 | Craig Lefferts | 88 | SFN |
| +080+ | 2.49 | Dennis Eckersley | 36 | OAK |
| +085+ | 2.41 | Roger McDowell | 68.7 | TOT |
| +087+ | 2.4 | Mike Schooler | 61.3 | SEA |
| +093+ | 2.3 | Mark Davis | 65.3 | SDN |
| +097+ | 2.2 | Gregg Olson | 66.3 | BAL |
| +101+ | 2.15 | Jeff Russell | 53 | TEX |
| +105+ | 2.06 | Jim Acker | 97 | ATL |
| +107+ | 2 | Ken Dayley | 59.3 | SLN |
| +112+ | 1.93 | Rob Murphy | 78.3 | BOS |
| +114+ | 1.91 | Lee Guetterman | 79.3 | NYA |
| +117+ | 1.87 | Jesse Orosco | 54.7 | CLE |
| +118+ | 1.86 | Tom Henke | 62.3 | TOR |
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