John Clark is a former American football player known for his position as a linebacker. He played in the National Football League (NFL) during the late 1970s and early 1980s. Clark was recognized for his strong defensive skills and ability to read the game, contributing to his team's overall performance. After his playing career, John Clark transitioned into coaching, where he shared his knowledge and experience with younger athletes. His dedication to the sport has made a lasting impact on the teams he worked with, helping to develop future generations of football players.