Dennis Keith Rodman (born May 13, 1961) is a retired American professional basketball player, who played for the Detroit Pistons, San Antonio Spurs, Chicago Bulls, Los Angeles Lakers, and Dallas Mavericks in the National Basketball Association (NBA). He was nicknamed "The Worm" and was known for his fierce defensive and rebounding abilities.Rodman played at the small forward position in his early years before becoming a power forward.