Dave Dameshek talks to Pittsburgh Steelers legend "Mean" Joe Greene about the dominance of the 1970's Steel Curtain and whether they were the best defense of all-time. Greene also discusses the legacy of his former coach Chuck Noll and what it was like to play for him. Shek also asks Joe about his favorite teammate and some of his memories from the 1979 season. Lastly, Greene weighs in on the 21st century New England Patriots and how they're able to maintain their excellence year after year.