CLEMSON, S.C. — Reserve Jacob Groves scored 17 points, Reece Beekman and Isaac McKneely scored 14 points each, and Virginia survived a wild finish to defeat Clemson 66-65 on Saturday. A 3-pointer by PJ Hall gave the Tigers their first lead since the 16-minute mark of the first half, 57-56 with 5 1/2 minutes remaining. With 7 seconds left, Hall …