Chris Boucher scored a career-high 26 points, grabbed 10 rebounds and blocked seven shots and No. 23
Dillon Brooks added 18 points and Tyler Dorsey 16 for the Ducks (18-4, 7-2), who won their fourth straight and seventh in the last eight games. Oregon is ahead of four teams at 6-3 in conference play.
The 6-foot-10 Boucher was the national junior college player of the year last season at Northwest College in Wyoming. In this one, he hurt the Sun Devils from inside and outside, sinking a career-best four three-pointers in eight attempts.
Obinna Oleka scored 17 points and Gerry Blakes 15 for the Sun Devils (12-10, 2-7).
Oregon completed a sweep of the
Leading just 37-36 at the break Sunday, Oregon scored the first seven points of the second half from the foul line and the Sun Devils never caught up again.
Three-pointers by Kodi Justice and Blakes cut the Ducks' lead to 53-50, then Boucher sank consecutive threes, Brooks made two free throws and scored inside and a 12-2 run put Oregon up, 65-52, with 8 minutes to play.
Tra Holder's three-pointer cut the lead to 70-63, but Arizona State could get no closer. A technical foul on Arizona State Coach Bobby Hurley for complaining on a foul call resulted in Dorsey sinking three free throws to put the Ducks up, 73-63, with 4:57 left.
The Ducks jumped to a 13-0 lead but Arizona State outscored them, 23-7, over the next 8 1/2 minutes to take a 23-20 lead. There were four ties and three lead changes in the first 20 minutes.
Colorado (17-5, 6-3 Pac-12) got off to a dreadful start, misfiring on 18 of its opening 19 shots, before finding its range against a stingy California defense. Dominique Collier added 14 points as Colorado split the season series with Cal (14-8, 4-5), which won, 79-65, on New Year's Day.