Blood dripped from Sam Hoiberg’s finger with 9:20 remaining in the second half. The ball had just been poked free from behind, and as he transitioned to defense, he showed the fresh cut to the officials as play continued for a few seconds until they finally stopped play. There was no foul called, but by then Wisconsin had all but slashed Nebraska’s chances of winning a Big Ten road game. The Huskers fell 88-72 in Madison on Saturday afternoon. Nebraska (12-3 overall, 2-2 Big Ten) shot the ball well enough to win, but the Huskers’ offense overall struggled at times with shot selection, turnover…