| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 5.15 | 198908150_LAN_PHI |
| Houston Astros | HOU | 2.63 | 198908150_PIT_HOU |
| St. Louis Cardinals | SLN | 2.4 | 198908150_ATL_SLN |
| Oakland Athletics | OAK | 2.38 | 198908160_CLE_OAK |
| San Diego Padres | SDN | 1.1 | 198908150_SDN_NYN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -5.16 | 198908170_NYA_DET |
| Chicago White Sox | CHA | -2.38 | 198908170_TEX_CHA |
| Minnesota Twins | MIN | -2.25 | 198908150_MIN_ANA |
| Milwaukee Brewers | MIL | -1.52 | 198908160_NYA_MIL |
| San Francisco Giants | SFN | -0.72 | 198908170_SFN_WAS |
Based on accumulated WAA for this season up to 1989-08-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +019+ | 4.48 | Jay Howell | 65 | LAN |
| +028+ | 3.92 | Jeff Montgomery | 74.3 | KCA |
| +029+ | 3.89 | Bill Landrum | 61 | PIT |
| +037+ | 3.59 | Mitch Williams | 68.7 | CHN |
| +046+ | 3.33 | Larry Andersen | 74.3 | HOU |
| +047+ | 3.31 | Jeff Parrett | 83.3 | PHI |
| +054+ | 3.15 | Mike Morgan | 135.7 | LAN |
| +055+ | 3.11 | Danny Darwin | 99 | HOU |
| +057+ | 3 | Randy Myers | 66.3 | NYN |
| +066+ | 2.72 | Todd Burns | 77.3 | OAK |
| +067+ | 2.69 | Craig Lefferts | 84.7 | SFN |
| +068+ | 2.66 | Les Lancaster | 33.3 | CHN |
| +074+ | 2.49 | Dennis Eckersley | 36 | OAK |
| +077+ | 2.48 | Rob Dibble | 72.7 | CIN |
| +083+ | 2.4 | Mike Schooler | 61.3 | SEA |
| +092+ | 2.23 | Roger McDowell | 66.7 | TOT |
| +094+ | 2.2 | Mark Davis | 62 | SDN |
| +095+ | 2.2 | Gregg Olson | 66.3 | BAL |
| +107+ | 2 | Jeff Russell | 51.3 | TEX |
| +110+ | 1.96 | Greg Harris | 86 | SDN |
| +112+ | 1.93 | Rob Murphy | 78.3 | BOS |
| +115+ | 1.9 | Ken Dayley | 58.3 | SLN |
| +117+ | 1.88 | Jim Acker | 95 | ATL |
| +119+ | 1.83 | Jesse Orosco | 52 | CLE |
| +130+ | 1.71 | Dan Quisenberry | 61 | SLN |
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