| 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 | 2.62 | 198908141_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 | -4.87 | 198908150_BAL_DET |
| Minnesota Twins | MIN | -2.25 | 198908150_MIN_ANA |
| Chicago White Sox | CHA | -2.16 | 198908140_KCA_CHA |
| Milwaukee Brewers | MIL | -1.65 | 198908140_NYA_MIL |
| San Francisco Giants | SFN | -0.68 | 198908160_SFN_WAS |
Based on accumulated WAA for this season up to 1989-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +019+ | 4.48 | Jay Howell | 65 | LAN |
| +028+ | 3.88 | Bill Landrum | 61 | PIT |
| +031+ | 3.81 | Jeff Montgomery | 73 | KCA |
| +042+ | 3.51 | Mitch Williams | 67.7 | CHN |
| +047+ | 3.33 | Larry Andersen | 74.3 | HOU |
| +048+ | 3.31 | Jeff Parrett | 83.3 | PHI |
| +053+ | 3.15 | Mike Morgan | 135.7 | LAN |
| +054+ | 3.13 | Randy Myers | 65.3 | NYN |
| +055+ | 3.11 | Danny Darwin | 99 | HOU |
| +065+ | 2.72 | Todd Burns | 77.3 | OAK |
| +066+ | 2.69 | Craig Lefferts | 84.7 | SFN |
| +067+ | 2.66 | Les Lancaster | 33.3 | CHN |
| +080+ | 2.41 | Dennis Eckersley | 35 | OAK |
| +081+ | 2.4 | Mike Schooler | 61.3 | SEA |
| +082+ | 2.39 | Rob Dibble | 71.7 | CIN |
| +088+ | 2.26 | Rob Murphy | 77.3 | BOS |
| +090+ | 2.23 | Roger McDowell | 66.7 | TOT |
| +091+ | 2.2 | Mark Davis | 62 | SDN |
| +099+ | 2.09 | Don Robinson | 165.3 | SFN |
| +100+ | 2.08 | Gregg Olson | 65 | BAL |
| +106+ | 1.99 | Jeff Russell | 51.3 | TEX |
| +109+ | 1.96 | Greg Harris | 86 | SDN |
| +114+ | 1.9 | Ken Dayley | 58.3 | SLN |
| +116+ | 1.88 | Jim Acker | 95 | ATL |
| +117+ | 1.83 | Jesse Orosco | 52 | CLE |
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