DAYTON, Ohio, Dec. 29 (UPI) -- Brian Roberts had five three-pointers and 31 points Saturday to lead Dayton to an 80-55 victory over previously unbeaten sixth-ranked Pittsburgh.

The Flyers (11-1) won for the 10th straight time, pulling off their second upset this month over a ranked Big East team.

Marcus Johnson had 15 points and 11 rebounds and Kurt Huelsman had 12 points and eight rebounds for the Flyers.

Sam Young had 15 points and seven rebounds to lead Pitt (11-1), which shot 29.7 percent from the floor, including a 3 of 25 from outside the three-point line.