 | | Arizona State | 89 | | 9-9 |  | | Stanford | 88 | | 9-9 | | Mar 13, 2013 3:00 PM | |  | | Oregon State | 68 | | 4-14 |  | | Colorado | 74 | | 10-8 | | Mar 13, 2013 5:30 PM | |  | | Utah | 69 | | 5-13 |  | | USC | 66 | | 9-9 | | Mar 13, 2013 9:00 PM | |  | | Washington State | 62 | | 4-14 |  | | Washington | 64 | | 9-9 | | Mar 13, 2013 11:30 PM | |
| | | Arizona State | 75 | | 9-9 |  | 24 | UCLA | 80 | | 13-5 | | Mar 14, 2013 3:00 PM | | | | Colorado | 69 | | 10-8 |  | 21 | Arizona | 79 | | 12-6 | | Mar 14, 2013 5:30 PM | | | | Utah | 79 | | 5-13 |  | | California | 69 | | 12-6 | | Mar 14, 2013 9:00 PM | | | | Washington | 77 | | 9-9 |  | 25 | Oregon | 80 | | 12-6 | | Mar 14, 2013 11:30 PM | |
| | 21 | Arizona | 64 | | 12-6 | | 24 | UCLA | 66 | | 13-5 | | Mar 15, 2013 9:00 PM | | | | Utah | 45 | | 5-13 | | 25 | Oregon | 64 | | 12-6 | | Mar 15, 2013 11:40 PM | |
| | 25 | Oregon | 78 | | 12-6 | | 24 | UCLA | 69 | | 13-5 | | Mar 16, 2013 11:00 PM | |
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