| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 3.97 | 198908050_SDN_LAN |
| Houston Astros | HOU | 2.88 | 198908030_HOU_CIN |
| St. Louis Cardinals | SLN | 1.75 | 198908050_PHI_SLN |
| Oakland Athletics | OAK | 1.73 | 198908050_OAK_SEA |
| Philadelphia Phillies | PHI | 1.12 | 198908030_CHN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -5.6 | 198908050_DET_CHA |
| Boston Red Sox | BOS | -3.25 | 198908030_CLE_BOS |
| Seattle Mariners | SEA | -3.08 | 198908030_ANA_SEA |
| Chicago White Sox | CHA | -2.44 | 198908030_CHA_OAK |
| Minnesota Twins | MIN | -2 | 198908030_MIN_NYA |
Based on accumulated WAA for this season up to 1989-08-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +024+ | 3.99 | Jay Howell | 59 | LAN |
| +025+ | 3.95 | Larry Andersen | 66.3 | HOU |
| +032+ | 3.55 | Bill Landrum | 56.3 | PIT |
| +036+ | 3.48 | Jeff Montgomery | 69 | KCA |
| +040+ | 3.29 | Mike Morgan | 132 | LAN |
| +048+ | 2.98 | Mitch Williams | 60.7 | CHN |
| +049+ | 2.86 | Danny Darwin | 90.7 | HOU |
| +053+ | 2.79 | Craig Lefferts | 75.7 | SFN |
| +060+ | 2.65 | Randy Myers | 59.3 | NYN |
| +061+ | 2.64 | Jeff Parrett | 73 | PHI |
| +062+ | 2.63 | Roger McDowell | 61.3 | TOT |
| +066+ | 2.53 | Todd Burns | 72.3 | OAK |
| +070+ | 2.45 | Rob Murphy | 72 | BOS |
| +071+ | 2.44 | Les Lancaster | 28 | CHN |
| +080+ | 2.22 | Mike Schooler | 51.7 | SEA |
| +081+ | 2.21 | Donn Pall | 67.7 | CHA |
| +087+ | 2.09 | Jesse Orosco | 47.7 | CLE |
| +092+ | 2.01 | Dennis Eckersley | 30.3 | OAK |
| +094+ | 1.99 | Rob Dibble | 66.7 | CIN |
| +096+ | 1.98 | Jeff Russell | 46.3 | TEX |
| +098+ | 1.97 | Rick Honeycutt | 56.3 | OAK |
| +101+ | 1.91 | Jim Acker | 86 | ATL |
| +106+ | 1.85 | Mark Grant | 70 | SDN |
| +107+ | 1.83 | Mark Davis | 57.7 | SDN |
| +113+ | 1.78 | Rick Aguilera | 73.3 | TOT |
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