Which of the people interviewed in This Old Cub was an American football linebacker in the National Football League?
This Old Cub:  Cub shortstop Ernie Banks, Gary Sinise, Bill Murray, former Chicago Bears linebacker Doug Buffone, and many others are interviewed in the film, which is narrated by actor Joe Mantegna. Doug Buffone: Douglas John Buffone (June 27, 1944 – April 20, 2015) was an American football linebacker in the National Football League.
Doug Buffone