| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 11.22 | 198907090_LAN_CHN |
| St. Louis Cardinals | SLN | 2.66 | 198907130_SLN_LAN |
| New York Mets | NYN | 2.05 | 198907090_CIN_NYN |
| New York Yankees | NYA | 1.8 | 198907130_KCA_NYA |
| Cincinnati Reds | CIN | 1.08 | 198907090_CIN_NYN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -6.62 | 198907090_NYA_BOS |
| Chicago White Sox | CHA | -4.92 | 198907090_CHA_KCA |
| Detroit Tigers | DET | -1.77 | 198907090_TOR_DET |
| Minnesota Twins | MIN | -1.44 | 198907130_BOS_MIN |
| Seattle Mariners | SEA | -1.1 | 198907090_CLE_SEA |
Based on accumulated WAA for this season up to 1989-07-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +014+ | 3.86 | Orel Hershiser | 143.3 | LAN |
| +018+ | 3.64 | Larry Andersen | 56.3 | HOU |
| +026+ | 3.28 | Bill Landrum | 41.3 | PIT |
| +027+ | 3.17 | Jay Howell | 47.7 | LAN |
| +032+ | 2.9 | Rick Aguilera | 55.7 | NYN |
| +040+ | 2.68 | Jeff Montgomery | 58 | KCA |
| +047+ | 2.54 | Danny Darwin | 73.3 | HOU |
| +055+ | 2.45 | Lee Guetterman | 58.3 | NYA |
| +058+ | 2.4 | Doug Jones | 44.3 | CLE |
| +066+ | 2.19 | Gregg Olson | 49.3 | BAL |
| +068+ | 2.15 | Greg Minton | 46.7 | ANA |
| +070+ | 2.14 | Greg Harris | 49.3 | SDN |
| +071+ | 2.13 | Todd Burns | 63.3 | OAK |
| +073+ | 2.08 | Mike Schooler | 45.7 | SEA |
| +076+ | 2.02 | Craig Lefferts | 60.3 | SFN |
| +078+ | 2 | John Franco | 42.3 | CIN |
| +081+ | 1.96 | Eric Plunk | 44 | TOT |
| +092+ | 1.78 | Mitch Williams | 47.3 | CHN |
| +093+ | 1.77 | Rob Murphy | 55 | BOS |
| +095+ | 1.7 | Rob Dibble | 60.7 | CIN |
| +096+ | 1.69 | Mark Grant | 56.3 | SDN |
| +097+ | 1.68 | Jim Acker | 66 | ATL |
| +101+ | 1.59 | Frank DiPino | 50.7 | SLN |
| +105+ | 1.56 | Frank Williams | 57.7 | DET |
| +108+ | 1.53 | Roger McDowell | 49.3 | TOT |
_