| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 4.41 | 198907010_HOU_WAS |
| New York Mets | NYN | 2.5 | 198907010_NYN_CIN |
| Los Angeles Dodgers | LAN | 1.63 | 198907010_PIT_LAN |
| St. Louis Cardinals | SLN | 1.34 | 198906300_SDN_SLN |
| New York Yankees | NYA | 1.27 | 198906300_MIL_NYA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -7.44 | 198906300_KCA_CHA |
| Boston Red Sox | BOS | -3.45 | 198906300_BOS_TOR |
| Minnesota Twins | MIN | -2.03 | 198906300_ANA_MIN |
| Cleveland Indians | CLE | -0.87 | 198907010_OAK_CLE |
| Baltimore Orioles | BAL | -0.78 | 198907010_DET_BAL |
Based on accumulated WAA for this season up to 1989-07-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +014+ | 3.62 | Larry Andersen | 49 | HOU |
| +025+ | 2.98 | Jay Howell | 46 | LAN |
| +031+ | 2.86 | Bill Landrum | 36.3 | PIT |
| +035+ | 2.72 | Todd Burns | 58 | OAK |
| +043+ | 2.45 | Randy Myers | 48.3 | NYN |
| +046+ | 2.43 | Rick Aguilera | 50.7 | NYN |
| +050+ | 2.35 | Jeff Montgomery | 47 | KCA |
| +060+ | 2.17 | Lee Guetterman | 50.3 | NYA |
| +061+ | 2.16 | Rob Dibble | 56.7 | CIN |
| +062+ | 2.13 | John Franco | 39.3 | CIN |
| +066+ | 2.01 | Mike Schooler | 39.7 | SEA |
| +070+ | 1.96 | Gregg Olson | 44.7 | BAL |
| +079+ | 1.76 | Greg Harris | 45.3 | SDN |
| +080+ | 1.73 | Craig Lefferts | 54.7 | SFN |
| +086+ | 1.71 | Dan Schatzeder | 36 | HOU |
| +085+ | 1.71 | Danny Darwin | 64 | HOU |
| +090+ | 1.64 | Eric Plunk | 35.7 | TOT |
| +092+ | 1.61 | Frank Williams | 55.7 | DET |
| +095+ | 1.54 | Doug Jones | 34.3 | CLE |
| +097+ | 1.51 | Rick Honeycutt | 41.7 | OAK |
| +104+ | 1.44 | Mitch Williams | 43.7 | CHN |
| +106+ | 1.41 | Bob Kipper | 54 | PIT |
| +116+ | 1.32 | Dan Quisenberry | 40.3 | SLN |
| +115+ | 1.32 | Todd Worrell | 28 | SLN |
| +119+ | 1.28 | Dave Righetti | 38 | NYA |
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