| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | 4.45 | 198907220_SLN_SDN |
| Houston Astros | HOU | 2.86 | 198907210_PHI_HOU |
| New York Mets | NYN | 2.6 | 198907220_ATL_NYN |
| Los Angeles Dodgers | LAN | 2.25 | 198907220_LAN_PIT |
| Oakland Athletics | OAK | 1.33 | 198907210_BAL_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -4.85 | 198907220_CHA_BOS |
| Chicago White Sox | CHA | -3.94 | 198907220_CHA_BOS |
| Seattle Mariners | SEA | -2.21 | 198907200_TOR_SEA |
| San Diego Padres | SDN | -0.92 | 198907220_SLN_SDN |
| Detroit Tigers | DET | -0.86 | 198907220_DET_ANA |
Based on accumulated WAA for this season up to 1989-07-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +019+ | 3.77 | Larry Andersen | 57.7 | HOU |
| +024+ | 3.47 | Bill Landrum | 43.3 | PIT |
| +027+ | 3.32 | Danny Darwin | 82.3 | HOU |
| +029+ | 3.3 | Jay Howell | 51.7 | LAN |
| +036+ | 2.99 | Randy Myers | 56.7 | NYN |
| +040+ | 2.95 | Jeff Montgomery | 61 | KCA |
| +045+ | 2.85 | Rick Aguilera | 62.3 | NYN |
| +058+ | 2.48 | Todd Burns | 67.3 | OAK |
| +060+ | 2.46 | Craig Lefferts | 68 | SFN |
| +072+ | 2.17 | Mike Schooler | 46.7 | SEA |
| +073+ | 2.13 | Mitch Williams | 51.3 | CHN |
| +083+ | 2.01 | Greg Minton | 52.7 | ANA |
| +085+ | 1.91 | Doug Jones | 48.3 | CLE |
| +086+ | 1.9 | Gregg Olson | 53.3 | BAL |
| +089+ | 1.89 | Roger McDowell | 53.3 | TOT |
| +088+ | 1.89 | Rick Mahler | 160 | CIN |
| +091+ | 1.86 | Jim Acker | 75.3 | ATL |
| +096+ | 1.78 | Jeff Russell | 42 | TEX |
| +099+ | 1.76 | Les Lancaster | 20.3 | CHN |
| +102+ | 1.72 | Donn Pall | 58 | CHA |
| +104+ | 1.69 | Rob Murphy | 61.3 | BOS |
| +106+ | 1.67 | Dan Quisenberry | 51.3 | SLN |
| +108+ | 1.64 | Mark Grant | 60.7 | SDN |
| +109+ | 1.63 | Todd Worrell | 33.7 | SLN |
| +114+ | 1.61 | Tim Burke | 58 | WAS |
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