Several Nebraska football players entertained the crowd during halftime of the men’s basketball game against Minnesota Saturday. The five Huskers competed in a dunk contest, getting a chance to put down one dunk over each of two rounds before crowd noise determined a pair of finalists. The contestants were defensive lineman Kai Wallin, running back Emmett Johnson, defensive back Jeremiah Charles, tight end Thomas Fidone and quarterback Heinrich Haarberg. Wallin and Johnson both completed a windmill in round one and missed their attempts in round two. Haarberg threw an alley-oop to himself off …