The Dolphins are a member of the American Football Conference (AFC) East division in the National Football League (NFL). The Dolphins play their home games at Sun Life Stadium in the northern suburb of Miami Gardens, and have their headquarters in Davie, Florida. The Dolphins and the Atlanta Falcons (who also began play in 1966) are the oldest NFL franchises in the Deep South, and Miami is the oldest AFC team in that region.

The Dolphins team was founded by attorney/politician Joe Robbie and actor/comedian Danny Thomas. They began play in the American Football League in 1966. The region had not had a professional football team since the days of the Miami Seahawks, who played in the All-America Football Conference in 1946 before becoming the first incarnation of the Baltimore Colts. For the first few years the Dolphins full-time training camp and practice facilities were at Saint Andrew's School, a private boys boarding prep school in Boca Raton. In 1970 the Dolphins joined the NFL when the AFL–NFL merger occurred.

The Chicago Bears are a professional American football team in Chicago, Illinois. They are members of the NFC North Division of the National Football League (NFL). The Bears have won nine NFL Championships and one Super Bowl and hold the NFL record for the most enshrinees in the Pro Football Hall of Fame and the most retired jersey numbers. The Bears have also recorded more regular season and overall victories than any other NFL franchise.

The franchise was founded in Decatur, Illinois, in 1919, and moved to Chicago in 1921. It is one of only two remaining franchises from the NFL's founding. The team played home games at Wrigley Field on Chicago's North Side through the 1970 season; they now play at Soldier Field on the Near South Side, next to Lake Michigan. The Bears have a long-standing rivalry with the Green Bay Packers.