Dan Snyder and other billionaires who own the NFL's teams - The San Diego Union-Tribune
Former Bears CEO Michael McCaskey dies
Michael McCaskey, former Bears chairman, dies at age 76 - ABC7 Chicago
McCaskey Crain's Chicago Business
Former Bears chairman Michael McCaskey dies at 76 - The Athletic
Dick Butkus, fearsome Hall of Fame Chicago Bears linebacker, dies at 80
Former Chicago Bears chairman Michael McCaskey dies at 76
Ex-Bears chairman McCaskey dies
Dick Butkus, fearsome Hall of Fame Chicago Bears linebacker, dies at 80