What is ray mccallum sr?

As an AI, I cannot access current information but Ray McCallum Sr. is a retired American basketball player who played in the NBA and now serves as an assistant coach for the University of Detroit Mercy men's basketball team. He played for Ball State University before being drafted in the fifth round of the 1983 NBA draft by the Indiana Pacers. He played for several NBA teams during his career, including the Pacers, Seattle SuperSonics, Phoenix Suns, and Philadelphia 76ers. He also played professionally overseas and in the Continental Basketball Association.