The Arizona Cardinals was founded in 1898 in Chicago as an unprofessional team the athletic club of Morgan. The Team of Arizona Cardinals became the Racine Street Normals on that current era. During the year of 1901 the owner of Arizona Cardinals named as Chris O'Brien learned some used pullovers from the University of Chicago. The team of Arizona Cardinals separated in the year of 1906 but was rebounded later. Because of the World War One the Arizona Cardinals did not play in that Era but later was redounded after the Settlement. The Teams of Arizona Cardinals and Chicago Bears are the only two members of the NFL that still plays in the league of Arizona Cardinals.