| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 7.84 | 198908250_PHI_LAN |
| Montreal Expos | WAS | 4.69 | 198908250_WAS_SFN |
| St. Louis Cardinals | SLN | 2.03 | 198908230_SLN_ATL |
| Oakland Athletics | OAK | 1.61 | 198908240_OAK_TEX |
| Toronto Blue Jays | TOR | 0.86 | 198908240_DET_TOR |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Minnesota Twins | MIN | -3.91 | 198908250_SEA_MIN |
| Chicago White Sox | CHA | -3.11 | 198908250_CHA_CLE |
| Detroit Tigers | DET | -1.74 | 198908230_DET_TOR |
| San Francisco Giants | SFN | -1.74 | 198908230_SFN_NYN |
| Chicago Cubs | CHN | -1.21 | 198908250_ATL_CHN |
Based on accumulated WAA for this season up to 1989-08-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +023+ | 4.55 | Jay Howell | 69 | LAN |
| +028+ | 4.29 | Bryn Smith | 173 | WAS |
| +030+ | 4.09 | Jeff Montgomery | 79 | KCA |
| +034+ | 3.75 | Bill Landrum | 64.7 | PIT |
| +043+ | 3.51 | Jeff Parrett | 88.3 | PHI |
| +045+ | 3.4 | Larry Andersen | 78 | HOU |
| +047+ | 3.36 | Danny Darwin | 105 | HOU |
| +049+ | 3.32 | Mike Morgan | 141.7 | LAN |
| +064+ | 2.95 | Randy Myers | 71 | NYN |
| +066+ | 2.94 | Rob Dibble | 78.3 | CIN |
| +072+ | 2.79 | Dennis Martinez | 192.7 | WAS |
| +073+ | 2.79 | Todd Burns | 78.3 | OAK |
| +074+ | 2.71 | Craig Lefferts | 90 | SFN |
| +075+ | 2.66 | Dennis Eckersley | 38 | OAK |
| +076+ | 2.63 | Les Lancaster | 43 | CHN |
| +089+ | 2.46 | Mark Davis | 70 | SDN |
| +087+ | 2.46 | Roger McDowell | 69.7 | TOT |
| +092+ | 2.32 | Mitch Williams | 71.3 | CHN |
| +095+ | 2.3 | Gregg Olson | 67.7 | BAL |
| +096+ | 2.3 | Mike Schooler | 62.7 | SEA |
| +099+ | 2.27 | Tom Henke | 67.7 | TOR |
| +100+ | 2.24 | Jeff Russell | 54.3 | TEX |
| +101+ | 2.21 | Rob Murphy | 82 | BOS |
| +103+ | 2.18 | Jim Acker | 99 | TOT |
| +104+ | 2.17 | Lee Guetterman | 85 | NYA |
_