 | | USC | 94 | | 3-17 |  | | Arizona State | 82 | | 5-14 | | Mar 9, 1989 | |  | | Washington State | 78 | | 5-15 |  | | Oregon | 56 | | 3-16 | | Mar 9, 1989 | |
|  | | Washington | 54 | | 8-11 |  | | UCLA | 64 | | 14-6 | | Mar 10, 1989 | |  | | Oregon State | 79 | | 14-6 |  | | California | 66 | | 10-9 | | Mar 10, 1989 | |  | | Stanford | 66 | | 17-4 | | | USC | 61 | | 3-17 | | Mar 10, 1989 | | | | Washington State | 54 | | 5-15 |  | | Arizona | 62 | | 20-1 | | Mar 10, 1989 | |
| | | Oregon State | 87 | | 14-6 | | | Arizona | 98 | | 20-1 | | Mar 11, 1989 | | | | UCLA | 86 | | 14-6 | | | Stanford | 95 | | 17-4 | | Mar 11, 1989 | |
| | | Stanford | 51 | | 17-4 | | | Arizona | 73 | | 20-1 | | Mar 12, 1989 | |
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