Levi Knutson scored a career-high 22 points Saturday to lead Colorado to an 83-57 victory over Oregon State in the Big 12/Pac-10 Hardwood Series at Boulder.

Marcus Relphorde had 12 points, eight assists and six rebounds for the Buffaloes (4-3), who won their seventh straight at home, and fourth this season.

Alec Burks had 15 points and Austin Dufault scored 12 for Colorado, which finished the first half with a 30-9 run to take a 37-18 lead. Cory Higgins had nine points and six assists, while Andre Roberson had nine points and six rebounds.

Jared Cunningham scored 16 points for Oregon State (3-4), which shot 38.9 percent from the field. Omari Johnson, who was averaging 14.7 points, had four points and eight rebounds.