North Carolina coach Roy Williams had bittersweet feelings about his team 's sixth victory in seven games this season .
North Carolina coach Roy Williams won for the eighth straight time against his former Kansas assistant since Turgeon came to Maryland five years ago .
North Carolina coach Roy Williams , who won for the eighth straight time against his former Kansas assistant since Turgeon came to Maryland five years ago , had bittersweet feelings about his team 's sixth victory in seven games this season .