Career
Greenwood made his National Basketball Association debut on October 13, 1979 and was named to the National Basketball Association All-Rookie First Team during the 1979-1980 season. A forward/center, he played for the Chicago Bulls, San Antonio Spurs, Denver Nuggets and Detroit Pistons. He was the second pick in the 1979 National Basketball Association Draft.
The Chicago Bulls lost the coin-flip to the Los Angeles Lakers, who drafted future Hall of Famer Earvin "Magic" Johnson with their number one pick.
Prior to the Michael Jordan era in Chicago, Greenwood was one of the franchise"s marquee players along with Reggie Theus and the late Orlando Woolridge.On October 24, 1985, Greenwood was traded by the Chicago Bulls to the San Antonio Spurs in exchange for future Hall of Famer, George Gervin. On January 26, 1989, Greenwood and Spurs teammate, Darwin Cook were traded to the Denver Nuggets for Calvin Natt and Jay Vincent.
On October 6, 1989, Greenwood signed as an unrestricted free agent with the Detroit Pistons, to whom he would assist in a victorious effort in the 1989-1990 National Basketball Association Finals as a reserve. He would later sign as an unrestricted free agent with the San Antonio Spurs on August 17, 1990 until his release on May 21, 1991.
He attended the University of California at Los Los Angeles