Hall of Fame point guard and coach who was part of the 1992 US Olympic Dream Team; named to 9 NBA All-Star games and coached 6 different NBA teams from 1969 to 2005.
At Boys High School in Brooklyn, New York, he was teammates with future MLB player Tommy Davis.
He coached the Seattle SuperSonics to the franchise's first and only NBA Championship in 1979.
He had a son, Randy, with his wife Marilyn.
He coached the Toronto Raptors and star guard/forward Vince Carter from 2000 to 2003.