| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | 3.64 | 198907210_SLN_SDN |
| Houston Astros | HOU | 2.86 | 198907210_PHI_HOU |
| New York Mets | NYN | 2.19 | 198907210_ATL_NYN |
| Los Angeles Dodgers | LAN | 1.95 | 198907211_LAN_PIT |
| Oakland Athletics | OAK | 1.33 | 198907210_BAL_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -4.28 | 198907210_CHA_BOS |
| Seattle Mariners | SEA | -2.21 | 198907200_TOR_SEA |
| Chicago White Sox | CHA | -2.05 | 198907190_NYA_CHA |
| San Diego Padres | SDN | -0.82 | 198907210_SLN_SDN |
| Detroit Tigers | DET | -0.36 | 198907200_DET_ANA |
Based on accumulated WAA for this season up to 1989-07-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +020+ | 3.75 | Larry Andersen | 57.3 | HOU |
| +024+ | 3.48 | Bill Landrum | 43.3 | PIT |
| +029+ | 3.31 | Jay Howell | 51.7 | LAN |
| +036+ | 3.04 | Rick Aguilera | 62 | NYN |
| +040+ | 2.99 | Danny Darwin | 78.3 | HOU |
| +041+ | 2.96 | Jeff Montgomery | 61 | KCA |
| +043+ | 2.91 | Randy Myers | 55.7 | NYN |
| +057+ | 2.49 | Todd Burns | 67.3 | OAK |
| +059+ | 2.46 | Craig Lefferts | 68 | SFN |
| +065+ | 2.25 | John Franco | 45.3 | CIN |
| +072+ | 2.2 | Jim Acker | 74.3 | ATL |
| +073+ | 2.18 | Mike Schooler | 46.7 | SEA |
| +074+ | 2.13 | Mitch Williams | 51.3 | CHN |
| +085+ | 1.91 | Rick Mahler | 160 | CIN |
| +086+ | 1.91 | Gregg Olson | 53.3 | BAL |
| +087+ | 1.89 | Mark Grant | 58.7 | SDN |
| +088+ | 1.89 | Roger McDowell | 53.3 | TOT |
| +091+ | 1.83 | Doug Jones | 47.3 | CLE |
| +095+ | 1.82 | Rob Murphy | 60.3 | BOS |
| +097+ | 1.8 | Greg Minton | 49.7 | ANA |
| +106+ | 1.68 | Dan Quisenberry | 51.3 | SLN |
| +107+ | 1.67 | Todd Worrell | 31.7 | SLN |
| +111+ | 1.61 | Jeff Russell | 40 | TEX |
| +110+ | 1.61 | Tim Burke | 58 | WAS |
| +115+ | 1.59 | Les Lancaster | 18.3 | CHN |
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