| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 4.55 | 198908010_HOU_CIN |
| Los Angeles Dodgers | LAN | 4.19 | 198908010_SFN_LAN |
| St. Louis Cardinals | SLN | 2.3 | 198907310_NYN_SLN |
| Philadelphia Phillies | PHI | 1.54 | 198907311_CHN_PHI |
| Oakland Athletics | OAK | 1.29 | 198907310_CHA_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -5.9 | 198908010_TEX_DET |
| Seattle Mariners | SEA | -4.17 | 198907310_ANA_SEA |
| Chicago White Sox | CHA | -3.13 | 198908010_CHA_OAK |
| Boston Red Sox | BOS | -2.49 | 198908020_BAL_BOS |
| Baltimore Orioles | BAL | -2.41 | 198907310_BAL_BOS |
Based on accumulated WAA for this season up to 1989-08-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +023+ | 3.99 | Larry Andersen | 64.7 | HOU |
| +026+ | 3.85 | Bill Landrum | 52.3 | PIT |
| +029+ | 3.72 | Jay Howell | 56 | LAN |
| +032+ | 3.55 | Jeff Montgomery | 67.7 | KCA |
| +038+ | 3.18 | Mike Morgan | 131 | LAN |
| +046+ | 2.99 | Danny Darwin | 87.7 | HOU |
| +051+ | 2.77 | Craig Lefferts | 75.7 | SFN |
| +053+ | 2.74 | Mitch Williams | 58 | CHN |
| +056+ | 2.63 | Randy Myers | 59.3 | NYN |
| +061+ | 2.51 | Todd Burns | 72.3 | OAK |
| +062+ | 2.47 | Roger McDowell | 59.7 | TOT |
| +063+ | 2.45 | Rick Aguilera | 69.3 | NYN |
| +069+ | 2.4 | Jeff Parrett | 68 | PHI |
| +071+ | 2.36 | Rob Murphy | 71 | BOS |
| +077+ | 2.26 | Les Lancaster | 26 | CHN |
| +079+ | 2.22 | Mike Schooler | 51.7 | SEA |
| +089+ | 2.07 | Mark Davis | 55.7 | SDN |
| +092+ | 2.06 | Jeff Russell | 45 | TEX |
| +095+ | 1.96 | Rick Honeycutt | 56.3 | OAK |
| +097+ | 1.94 | Jesse Orosco | 46 | CLE |
| +100+ | 1.92 | Dennis Eckersley | 29.3 | OAK |
| +106+ | 1.88 | Donn Pall | 64 | CHA |
| +107+ | 1.87 | Rob Dibble | 65.3 | CIN |
| +115+ | 1.76 | Eric Plunk | 55.7 | TOT |
| +116+ | 1.76 | Tim Burke | 64.7 | WAS |
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