It was Roberson’s 14th double-double of the season and 17th of his career. Askia Booker had a career-high 15 points for the Buffaloes (15-7 overall, 7-3 Pac-12).
Colorado, 6-0 at home in conference, scored 22 fast-break points and 16 points off 15 turnovers by Oregon State.
Jared Cunningham and Devon Collier had 12 points each for the Beavers (14-8,4-6), who shot 37 percent from the floor and were outrebounded 43-31 in having a three-game winning streak snapped.
It was the worst loss of the season for the Beavers, eclipsing a 15-point setback to Washington.
Oregon 79, at Utah 68: Devoe Joseph scored 20 points and Oregon used a late 11-0 run to beat Utah.
Carlos Emory had a perfect shooting night, making all four field goal attempts and all five free throws on his way to 14 points. E.J. Singler added 12 as the Ducks (16-6, 7-3) won for the fifth time in their last six games.
Chris Hines had 20 points, including four 3-pointers, and Cedric Martin added 15 for Utah (5-17, 2-8). Kareem Storey had 10 points and a career-high 11 assists for the Utes, who have dropped seven of their past eight games.
Storey made a pair of free throws for Utah’s last lead at 59-58. Emory then converted a three-point play and added a reverse dunk on a lob pass from Joseph during the game-clinching run.
At Stanford 68, Arizona State 44: Aaron Bright scored 16 points, and Chasson Randle added 14 in the Cardinal’s rout of the Wildcats.
Anthony Brown added 11 points for the Cardinal (16-6, 6-4), which improved to 12-1 at Maples Pavilion this season and snapped a three-game skid.
The Sun Devils (7-15, 3-7) had four assists – tying their lowest mark in Herb Sendek’s six years as coach – and shot 34 percent from the floor. From the 9:52 mark of the first half to the 12:51 mark of the second half, Arizona State went 1 for 17 with 10 turnovers.
Jordan Bachynski led the Sun Devils with a career-high 20 points.
WOMEN
At UCLA 79, Washington 73 (OT): The Bruins outscored the Huskies 13-7 in overtime period to take the victory.
At USC 67, WSU 62: Cassie Harberts scored 19 points for the Trojans to counter the one-two punch of the Cougars’ April Cook (18 points) and Jazmine Perkins (17 points, 10 rebounds).
No. 4 Stanford 62, at Arizona State 49: Nnemkadi Ogwumike had 22 points and 16 rebounds, her sister Chiney had 20 points and 16 rebounds, and the Cardinal overpowered the Sun Devils in the second half.
Stanford needed overtime to beat California in its last game and found itself in another fight against the gritty Sun Devils. The Cardinal pulled away over the final 12 minutes behind the Ogwumike sisters, who combined for 13 points during a 20-2 run that put the Cardinal up 18.
California 78, at Arizona 74 (OT): Layshia Clarendon had four points and a key assist in overtime, and Reshanda Gray had 22 points and 13 rebounds to lift the Bears past the Wildcats. Shanita Arnold led Arizona with 18 points – 12 in the second half as the Wildcats battled back from a 44-32 halftime deficit to tie the game at 68 at the end of regulation.
At Oregon, Utah 67: Nia Jackson scored 19 points, and Amanda Johnson had 19 points and 12 rebounds to give the Ducks the victory over the Utes.
At Oregon State 65, Colorado 45: The Beavers jumped out to a 33-17 halftime lead and cruised past the Buffaloes.
