Askia Booker scored a career-high 27 points, 11 in the last 4:40, and Spencer Dinwiddie scored 16 of his 23 in the second half as No. 20 Colorado rallied from a 10-point deficit to hand No. 10 Oregon its first loss of the season, 100-91 on Sunday.
Xavier Johnson and Josh Scott had 15 points apiece for Colorado (13-2, 2-0 Pac-12), which is off to its best start since the 1968-69 team began the season 13-2. Scott had 12 rebounds for the Buffaloes, who remain unbeaten in 11 home games this season.
Mike Moser had 24 points to lead Oregon (13-1, 1-1), which was denied its first 14-0 start since 1937-38. Joseph Young and Damyean Dotson both added 16 points.