Courtesy GoDuke.com DURHAM – No. 9 Duke never trailed in its 77-69 victory over Wake Forest on Monday night at Cameron Indoor Stadium. The Blue Devils (19-5, 10-3 ACC) knocked off the Demon Deacons (16-8, 8-5 ACC) with the help of double-doubles from Kyle Filipowski and Jared McCain, and 23 points from Mark Mitchell — matching the sophomore’s career-high. HOW IT HAPPENED Kyle Filipowski quickly got Duke on the board, connecting on a corner three-pointer just over 10 seconds into the game. Back-to-back baskets from Jeremy Roach, a mid-range shot off an inbounds pass and then a three-pointer on …