The No. 2 seed Blue Devils had averaged 11 turnovers a game this year, but committed 13 in the opening half.
Many fans still traveled from North Carolina since Greenville, South Carolina was still driving distance for them.
Duke’s seeding comes after the Blue Devils won the 2017 ACC Tournament.
This is the Blue Devils’ 20th ACC Tournament title.
Duke will face UNC at 7 p.m. Friday.
Duke’s Grayson Allen was called for a technical foul for slamming the ball on the floor
The championship game is scheduled for Saturday at 9 p.m.
Joel Berry II scored 28 points, including a critical late-game burst of seven straight.
Amile Jefferson, playing in his final game at Cameron Indoor Stadium, added 14 points
Sirk sat out of the 2016 season after partially tearing his left Achilles tendon during fall practice.