Jaden Bradley hit a buzzer-beating jumper to lift the Arizona Wildcats to an 82-80 victory over the Iowa State Cyclones in the Big 12 Tournament semifinals.This win advances the second-ranked team to the conference final while keeping their NCAA Tournament top-seed aspirations alive.The decisive play followed a game-tying three-pointer from Tamin Lipsey, capping an intense comeback effort after Arizona trailed by double digits during the first half.