President Obama Welcomes the 1972 Undefeated Miami Dolphins to the White House in Washington

President Barack Obama (L) receives a commemorative jersey from hall of fame coach Don Shula (R) as Obama honors Super Bowl VII Champion Miami Dolphins and their perfect season, during a ceremony in the East Room at the White House on August 20, 2013. The 1972 Miami Dolphins are the only team in the NFL to go undefeated. UPI/Kevin Dietsch