| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 8.45 | 198907140_SLN_LAN |
| St. Louis Cardinals | SLN | 2.38 | 198907160_SLN_LAN |
| New York Mets | NYN | 1.89 | 198907160_NYN_ATL |
| New York Yankees | NYA | 1.3 | 198907141_KCA_NYA |
| Oakland Athletics | OAK | 0.85 | 198907160_OAK_TOR |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -5.33 | 198907140_BOS_MIN |
| Chicago White Sox | CHA | -3.84 | 198907140_MIL_CHA |
| Minnesota Twins | MIN | -1.2 | 198907140_BOS_MIN |
| Seattle Mariners | SEA | -0.76 | 198907140_SEA_DET |
| Detroit Tigers | DET | -0.71 | 198907160_SEA_DET |
Based on accumulated WAA for this season up to 1989-07-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +015+ | 3.87 | Orel Hershiser | 143.3 | LAN |
| +020+ | 3.65 | Larry Andersen | 56.3 | HOU |
| +025+ | 3.34 | Jay Howell | 49.7 | LAN |
| +028+ | 3.29 | Bill Landrum | 41.3 | PIT |
| +038+ | 2.8 | Randy Myers | 52 | NYN |
| +040+ | 2.74 | Rick Aguilera | 58.7 | NYN |
| +045+ | 2.7 | Jeff Montgomery | 58 | KCA |
| +047+ | 2.63 | Danny Darwin | 74.3 | HOU |
| +058+ | 2.4 | Doug Jones | 44.3 | CLE |
| +059+ | 2.34 | Todd Burns | 65.7 | OAK |
| +065+ | 2.24 | John Franco | 45.3 | CIN |
| +066+ | 2.19 | Craig Lefferts | 62.3 | SFN |
| +069+ | 2.14 | Greg Harris | 49.3 | SDN |
| +068+ | 2.14 | Gregg Olson | 51.3 | BAL |
| +072+ | 2.08 | Mike Schooler | 45.7 | SEA |
| +078+ | 1.97 | Eric Plunk | 44 | TOT |
| +084+ | 1.88 | Mitch Williams | 48.3 | CHN |
| +089+ | 1.81 | Mark Grant | 57.7 | SDN |
| +096+ | 1.68 | Rob Dibble | 60.7 | CIN |
| +094+ | 1.68 | Roger McDowell | 51 | TOT |
| +097+ | 1.67 | Jim Acker | 68.3 | ATL |
| +099+ | 1.65 | Lee Guetterman | 58.7 | NYA |
| +100+ | 1.64 | Greg Minton | 48 | ANA |
| +102+ | 1.62 | Jeff Russell | 40 | TEX |
| +103+ | 1.6 | Frank DiPino | 50.7 | SLN |
_