Clay Matthews, Jr. was a heck of a linebacker for the Cleveland Browns. In 16 seasons with the Browns, Matthews had an unbelievable 1,430 tackles which are the most in team history.
In addition to that, he had 62 career sacks, 24 forced fumbles, and 14 interceptions. He was a do-it-all linebacker and continued to perform even after his 16 years in Cleveland. In 1994, at the age of 38, he joined the Atlanta Falcons and played three more seasons.
After recording 153 tackles in his first two seasons, he became a part-time player at 40-years old.