In 1978, Jackie Smith joined the Dallas Cowboys, leaving Cain the top tight end on the Cardinals' roster. However, Cain then suffered an Achilles tendon injury in training camp and missed the entirety of the 1978 season.
In 1978, Jackie Smith became a member of the Dallas Cowboys, leaving Cain as the top tight end on the Cardinals' roster. However, due to an Achilles tendon injury, Cain missed the entire 1978 season.