Jordan Wilson had four assists and three steals for the Bears (13-14, 8-8 Big Sky Conference), who dominated from the start and led by as many as 19.
James McGee hit a 3 for Southern Utah's only lead, then the Bears ripped runs of 13-3 and 19-4 to lead 41-27 at halftime.
The Thunderbirds rallied in the second half, pulling to within 64-59 on a layup by A.J. Hess with 5:03 left, but the Bears used a 9-2 run in which Svihovec scored eight points to pull ahead 73-61 with 1:07 left.
The Bears outrebounded the Thunderbirds 41-25, including 11-2 offensive boards, and outshot them 51.9 percent to 45.6 percent.
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