Tests on Doug Buffone's brain can't determine whether he had CTE - Chicago Sun-Times
Former Bears linebacker Doug Buffone dead at 70
1976 Coke Bears Discs Football Card Set - VCP Price Guide
Doug Buffone: 'Great guy, great friend, hell of a football player' - Chicago - Chicago Sun-Times
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Football - 1976 Coke Bears Discs with Tab - Master: Matt's 76 Coke Bears Set Image Gallery