Leslie Herbert "Speedy" Duncan was an American professional football player who was a cornerback and return specialist in the American Football League (AFL) and National Football League (NFL). He played college football for the Jackson State Tigers. Duncan played seven seasons with the San Diego Chargers, where he was a three-time AFL All-Star. He was also named to the Pro Bowl with the Washington Redskins. Duncan was inducted into the Chargers Hall of Fame and was named to their 40th and 50th anniversary teams.
