sentences:  In 1968, he averaged 19.6 yards per reception, posting 33 receptions for 646 yards and 6 touchdowns.On April 29, 1970, he was traded to the Green Bay Packers in exchange for a future draft pick, but he refused to report and instead opted to retire.On September 15, 1970, he signed as a free agent with the Oakland Raiders, at the time part of the National Football League.