The trio played together for the White team in the first half, contributing to a 34-17 lead that featured 12 points for Okafor and 10 from Matt Jones. The teams were scrambled for the second 12-minute half, and Okafor's White squad won 30-26.
Winslow finished with 12 points and six rebounds, and Tyus Jones had seven points and six assists. Rasheed Sulaimon had 22 points.
Duke finished 26-9 last season and lost its second-round NCAA tournament game to Mercer.