| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 5.6 | 198908190_LAN_NYN |
| St. Louis Cardinals | SLN | 2.8 | 198908181_SLN_CIN |
| Oakland Athletics | OAK | 2.64 | 198908190_MIN_OAK |
| San Diego Padres | SDN | 0.73 | 198908180_SDN_WAS |
| Houston Astros | HOU | 0.63 | 198908190_CHN_HOU |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -5.16 | 198908170_NYA_DET |
| Chicago White Sox | CHA | -2.79 | 198908180_TEX_CHA |
| San Francisco Giants | SFN | -1.03 | 198908180_SFN_PHI |
| Baltimore Orioles | BAL | -0.98 | 198908190_TOR_BAL |
| Seattle Mariners | SEA | -0.65 | 198908170_KCA_SEA |
Based on accumulated WAA for this season up to 1989-08-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +020+ | 4.5 | Jay Howell | 65 | LAN |
| +028+ | 4.02 | Jeff Montgomery | 75.3 | KCA |
| +029+ | 3.91 | Bill Landrum | 61 | PIT |
| +042+ | 3.49 | Jeff Parrett | 85.3 | PHI |
| +044+ | 3.45 | Larry Andersen | 78 | HOU |
| +046+ | 3.43 | Mitch Williams | 69 | CHN |
| +055+ | 3.21 | Danny Darwin | 100 | HOU |
| +054+ | 3.21 | Randy Myers | 68.7 | NYN |
| +057+ | 3.15 | Mike Morgan | 137.7 | LAN |
| +062+ | 2.9 | Craig Lefferts | 87 | SFN |
| +066+ | 2.72 | Todd Burns | 77.3 | OAK |
| +067+ | 2.71 | Les Lancaster | 36.3 | CHN |
| +069+ | 2.63 | Rob Dibble | 74.3 | CIN |
| +077+ | 2.49 | Dennis Eckersley | 36 | OAK |
| +084+ | 2.41 | Mike Schooler | 61.3 | SEA |
| +089+ | 2.31 | Mark Davis | 63 | SDN |
| +095+ | 2.23 | Roger McDowell | 66.7 | TOT |
| +097+ | 2.2 | Gregg Olson | 66.3 | BAL |
| +100+ | 2.15 | Jeff Russell | 53 | TEX |
| +106+ | 2 | Ken Dayley | 59.3 | SLN |
| +114+ | 1.92 | Rob Murphy | 78.3 | BOS |
| +116+ | 1.89 | Jim Acker | 95 | ATL |
| +117+ | 1.87 | Jesse Orosco | 54.7 | CLE |
| +120+ | 1.85 | Tom Henke | 62.3 | TOR |
| +125+ | 1.73 | Dennis Lamp | 81 | BOS |
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