President Barack Obama shakes hands with former Chicago Bears quarterback Jim McMahon as he hosts the 1985 Chicago Bears football team at the White House. The visit was a make-up trip for the Super Bowl XX champions, whose original reception was cancelled in 1986.

Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP

A diehard Green Bay Packers fan - or Cheesehead - gets ready to sport his green and gold at the NFC Conference Championship game against the Chicago Bears on January 23, 2011. The Packers won the game 21-14 to advance to Super Bowl XLV. CHRISTOPHER MACSURAK/flickr hide caption

itoggle caption CHRISTOPHER MACSURAK/flickr