George Perles, defensive coach during Steelers' '70s dynasty, dies
George Perles, coach of Steelers famed 'Steel Curtain, dies at 85
George Perles, former Michigan State football coach: 1934-2020
George Perles, longtime Michigan State coach, dies at 85
George Perles, former Michigan State football coach: 1934-2020
George Perles, prominent ex-Michigan State football coach, dies at 85
George Perles, former Michigan State football coach: 1934-2020
George Perles, longtime Michigan State coach, dies at 85
Bill Belichick and Nick Saban's Friendship - Sports Illustrated
George Perles, former Michigan State football coach: 1934-2020