Ray Michael McCallum Jr. (born June 12, 1991) is an American professional basketball player for Legia Warszawa of the Polish Basketball League. In the 2012–13 NCAA Division I men's basketball season, he was named the Horizon League Player of the Year after leading the Horizon League in scoring at 18.7 points per game and guiding the Detroit Titans to a berth in the 2013 National Invitation Tournament. McCallum also averaged 4.5 assists, 5.1 rebounds and 1.9 steals per game. On June 27, 2013, he was selected in the second round (36th overall) by the Sacramento Kings in the 2013 NBA draft.