Burns scores 19 to carry Winthrop over Pfeiffer 127-83
Burns shot 9 for 12 from the floor. He added a career-best eight rebounds.
Taylan Rowe had 15 points for the Falcons, a Division III school. Juwan Blanton added 10 points. Jamaal David had nine rebounds.
Winthrop faces No. 1 Duke on the road on Friday.