Mike Singletary is a former professional American football player and coach, best known for his time as a linebacker with the Chicago Bears. He played in the National Football League (NFL) from 1981 to 1992 and was a key member of the Bears' legendary defense during their Super Bowl XX victory in 1986. Singletary was known for his intense playing style and leadership on the field. After retiring as a player, Singletary transitioned into coaching, serving in various roles, including head coach of the San Francisco 49ers. He is recognized for his motivational skills and ability to inspire players. Singletary was inducted into the Pro Football Hall of Fame in 1998.