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Charlie Riedel)na, Associated Press
Colorado forward Marcus Relphorde (5) knocks the ball away from Kansas State center Jordan Henriquez-Roberts (21) during the first half of an NCAA college basketball game at the Big 12 Conference tournament Thursday, March 10, 2011 in Kansas City, Mo.

KANSAS CITY, Mo. — Cory Higgins scored 28 points, Alec Burks had 24 and Colorado beat No. 19 Kansas State for the third time this season, ousting the Wildcats 87-75 on Thursday in the Big 12 tournament quarterfinals.

Colorado (21-12), after losing nine in a row to Kansas State, was the only team to beat the streaking Wildcats (22-10) in their final nine games.

Higgins had 19 points in the second half, picking up the slack while Burks struggled with three fouls and spent much of the time on the bench. The Buffaloes closed the game on a 14-3 run, sinking eight straight free throws during one stretch. They were 23 of 27 from the line.

Jacob Pullen and Curtis Kelly had 18 points apiece for Kansas State, which rode a six-game winning streak into the tournament. Kelly also had 10 rebounds.

Andre Roberson had 11 points and 14 rebounds for Colorado.