Matas Vokietaitis recorded 23 points and 16 rebounds to lead Texas to a 79-71 upset victory over Brigham Young University in Portland.AJ Dybantsa scored a game-high 35 points for the sixth-seeded Cougars, but a lack of bench scoring led to their early exit from the tournament.The Longhorns advance to the second round after neutralizing the opposing offense and building on their recent success in the First Four.Other opening matchups featured a historic first win for Nebraska and a surprise overtime victory for Virginia Commonwealth University.