Ian Schieffelin posted a 15-point, 12-rebound double-double, leading Clemson over Miami 65-55 in the ACC opener for both teams on Saturday afternoon in Coral Gables, Fla.Chase Hunter scored a game-high 18 points and Viktor Lakhin added 12 — all in the second half — as the Tigers (9-1) won their sixth straight.The Tigers are expected to vault into the AP Top 25 poll on Monday, especially after defeating No. 4 Kentucky earlier this week.Schieffelin entered the game second in the nation averaging 12.6 rebounds and was coming off a 20-rebound effort against Kentucky.Lynn Kidd, who started his career at Clemson, scored 10 points and grabbed eight rebounds for Miami (3-6), which has lost six straight.Miami also got a team-high 12 points from five-star freshman Jalil Bethea.But Nijel Pack, who entered the game as Miami’s leading scorer (16.1), did not score. He went 0-for-7 from the field, with all seven shots coming from 3-point range.Both teams started slowly as 2 ½ minutes passed before a point was scored. Anthony Swartz gave Miami a 1-0 lead, making 1-of-2 free throws with 17:30 left in the half.Clemson then heated up with 12 straight points. Miami missed its first 10 shots from the floor, including a pair of tip-ins that went in and out.Matthew Cleveland made a mid-range jumper to close Miami’s deficit to 12-3 with 12:30 left.Later in the half, Miami went on a 10-0 run, tying the score at 18 with 6:27 remaining on a Cleveland dunk.