Duke guard Matt Jones was helped off the court by two teammates after injuring his leg in the first half of Wednesday night's game between Duke and North Carolina.
Duke played the final eight minutes of the first half with just five players after Jones exited the game.
Jones has started all 25 games on the season and was averaging 11.7 points, 2.7 rebounds and 2.6 assists heading into Wednesday night.
Jones was seen on the bench in crutches while getting his ankle taped up.
North Carolina led Duke 46–42 at half-time.