In a span of three days, the Big 12 Conference produced perhaps the most enthralling college basketball games of the season. On Saturday, Houston rallied from a six-point deficit late in regulation and another six-point hole in the closing seconds of the first overtime to pull off a double-overtime win at arguably the toughest Big 12 venue to get one in,

Houston has won 11 straight. It has the best defense in the country. It's why the Cougars are this week's new No. 1 in the Big 12 power rankings.

Oregon retains the top spot in our latest Power Rankings at midseason despite losing two of its last three. Arizona, UCLA, and Gonzaga have also had setbacks but continue to make noise in the Big 12,