| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 5.4 | 198907290_SFN_HOU |
| Los Angeles Dodgers | LAN | 5.21 | 198907280_LAN_SDN |
| St. Louis Cardinals | SLN | 4.83 | 198907280_SLN_WAS |
| Oakland Athletics | OAK | 2.04 | 198907290_SEA_OAK |
| Philadelphia Phillies | PHI | 1.64 | 198907290_PIT_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -3.45 | 198907270_CHA_ANA |
| Detroit Tigers | DET | -2.74 | 198907290_MIN_DET |
| Boston Red Sox | BOS | -2.51 | 198907270_KCA_BOS |
| Seattle Mariners | SEA | -2.17 | 198907290_SEA_OAK |
| Atlanta Braves | ATL | -1.37 | 198907280_CIN_ATL |
Based on accumulated WAA for this season up to 1989-07-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +024+ | 3.71 | Larry Andersen | 61.7 | HOU |
| +025+ | 3.67 | Bill Landrum | 50.3 | PIT |
| +027+ | 3.6 | Jay Howell | 54.7 | LAN |
| +030+ | 3.45 | Jeff Montgomery | 66.7 | KCA |
| +037+ | 3.22 | Mike Morgan | 129.3 | LAN |
| +049+ | 2.86 | Randy Myers | 57.3 | NYN |
| +051+ | 2.79 | Danny Darwin | 85.7 | HOU |
| +055+ | 2.58 | Mitch Williams | 56.3 | CHN |
| +059+ | 2.47 | Todd Burns | 72 | OAK |
| +063+ | 2.41 | Rick Aguilera | 66.7 | NYN |
| +065+ | 2.4 | Craig Lefferts | 71.7 | SFN |
| +070+ | 2.29 | Roger McDowell | 57.7 | TOT |
| +076+ | 2.21 | Jeff Parrett | 66 | PHI |
| +080+ | 2.12 | Mike Schooler | 50.7 | SEA |
| +082+ | 2.09 | Luis Aquino | 94.7 | KCA |
| +084+ | 2.06 | Rob Murphy | 65.3 | BOS |
| +091+ | 1.99 | Jim Acker | 79.7 | ATL |
| +094+ | 1.94 | Gregg Olson | 56 | BAL |
| +096+ | 1.93 | Greg Minton | 56.3 | ANA |
| +097+ | 1.89 | Rob Dibble | 63.3 | CIN |
| +098+ | 1.88 | Jeff Russell | 43 | TEX |
| +099+ | 1.87 | Todd Worrell | 36.3 | SLN |
| +102+ | 1.86 | Donn Pall | 64 | CHA |
| +106+ | 1.85 | Les Lancaster | 21.3 | CHN |
| +113+ | 1.76 | Doug Jones | 51.3 | CLE |
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