John Larry Jefferson is an American former professional football player who was a wide receiver in the National Football League (NFL). After playing college football with the Arizona State Sun Devils, he was selected in the first round of the 1978 NFL Draft by the San Diego Chargers. He played three seasons in San Diego, where he became the first NFL player to gain 1,000 receiving yards in each of his first three seasons. He was traded to the Green Bay Packers after a contract dispute with the Chargers, and later finished his playing career with the Cleveland Browns.