Complex sentence: Ronald (Ron) Eugene Mercer (born May 18,1976) is an American former basketball player at the University of Kentucky who also had a career in the National Basketball Association; he last played for the New Jersey Nets in 2005.
Split into simpler sentences: Ronald (Ron) Eugene Mercer (born May 18,1976) is an American former professional basketball player. After his career at the University of Kentucky, Mercer led a career on several teams in the National Basketball Association; he last played for the New Jersey Nets in 2005.