AUSTIN, Texas – No. 17/17 Tennessee gave No. 7/7 Texas all it could handle Thursday night at the Moody Center, but the Longhorns scored the game’s last four points and escaped with an 80-76 victory in Southeastern Conference play. Junior guard Ruby Whitehorn’s runner helped the Big Orange (15-4, 3-4 SEC) tie the game at 76 with 44…