Jordan Loveridge added 14 points and Brandon Taylor had 13 for the Utes. They shot 54% from the field and have won seven straight heading into Saturday's showdown at No. 10 Arizona.
The Utes led by as many as 28 points to remain the lone unbeaten team in the conference.
at No. 10 Arizona 68, Colorado 54: The Wildcats pulled off their 31st straight home win by dominating inside, outscoring the Buffaloes by 16 in the paint while grabbing 15 more rebounds.
Stanley Johnson scored 22 points and Kaleb Tarczewski added 14 for Arizona.
Colorado's Askia Booker had a career-high 30 points on 11-for-17 shooting.
at Washington State 108, Oregon 99 (OT): Josh Hawkinson scored 26 points for the Cougars, who made 12 free throws in overtime to get the win. Joseph Young led the Ducks with 30 points but missed two three-pointers in the overtime.