David Murphy-Kasim Greenwood is an American retired professional basketball player whose National Basketball Association (NBA) career spanned 12 years from 1979 to 1991. Greenwood made his NBA debut on October 13, 1979 and was named to the NBA All-Rookie First Team during the 1979–80 season. A forward/center, he played for the Chicago Bulls, San Antonio Spurs, Denver Nuggets and Detroit Pistons.

The Chicago Bulls are an American professional basketball team based in Chicago. The Bulls compete in the National Basketball Association (NBA) as a member of the Central Division of the Eastern Conference. The team was founded on January 16, 1966, and played its first game during the 1966–67 NBA season. The Bulls play their home games at the United Center, an arena on Chicago's West Side.