The 1972 Miami Dolphins were not the only team to record a perfect season in the history pro football. The 1948 Cleveland Browns ran the table in the All-America Football Conference, posting a 14-0 record.
Their unbelievable sesaon was topped with a 49-7 blowout win in the 1948 AAFC Championship over the Buffalo. Bills.
Take a look at a photo gallery of players from the 1948 Browns.