Oregon (20-12) will play No. 3 seed Utah in the quarter-finals of the Pac-12 men’s basketball tournament in Las Vegas Thursday night, 8:30 p.m. (ESPN).  The Ducks beat Washington State 84-51 Wednesday at the T-Mobile Arena.  No. 4 seed Oregon State will face Colorado (20-11) Thursday, 2:30 p.m., (Pac-12 Networks) in the quarter-finals. The Buffalos edged California on Wednesday, 56-51.