Michael Jerome Cooper, nicknamed "Coop", is an American basketball coach and former professional player who is the head coach of the Cal State Los Angeles Golden Eagles men's basketball team. He played for the Los Angeles Lakers during his entire career in the National Basketball Association (NBA), winning five NBA championships with the Lakers during their Showtime era. He was an eight-time selection to the NBA All-Defensive Team, including five times on the first team. He was named the NBA Defensive Player of the Year in 1987. Cooper was inducted into the Naismith Memorial Basketball Hall of Fame in 2024. The Lakers retired his No. 21 jersey in 2025.