No. 24 Colorado 100, No. 9 Oregon 91: Askia Booker scored a career-high 27 points and added seven rebounds as the Buffaloes handed the visiting Ducks their first loss.Spencer Dinwiddie collected 23 points and seven assists as Colorado (13-2, 2-0 Pac-12) shot 56.4 percent to reach its season-high point total. Josh Scott chipped in 15 points and 12 boards and Xavier Johnson also scored 15 points for the Buffaloes.Mike Moser scored 24 points to lead Oregon (13-1, 1-1), which is off to a rough start in conference play after a tough overtime win at Utah in the opener. Joseph Young and Damyean Dotson scored 16 points apiece for the Ducks.Oregon held a nine-point lead midway through the first half before Colorado stormed back to take a 44-42 lead into the break. The Ducks came out strong again at the beginning of the second half, beginning the period with a 16-4 burst capped by eight straight points from Moser to take a 58-48 lead.The Buffaloes turned up the defense and started to chip away, jumping back on top 64-62 on Jaron Hopkins' 3-pointer with under 10 minutes to play and stretching it to a six-point edge after eight points in less than a minute from Dinwiddie. Oregon drew back within 74-72 but could not regain the lead as Colorado pulled away down the stretch.GAME NOTEBOOK: The Ducks dropped to 0-5 all-time at Colorado. … The Buffaloes went 33-of-39 from the free-throw line as Booker and Dinwiddie combined for 20-of-23 at the stripe. … Oregon came in averaging 89.2 points and managed at least 90 for the eighth time this season.