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ARIZONA CARDINALS
The franchise began play in Chicago in 1898 before moving to St. Louis in 1960 and Arizona in 1988. Team owner Chris OBrien purchased used and faded maroon jerseys from the University of Chicago in 1901 and dubbed the color of his squads new outfits cardinal red. A nickname was born. The team adopted the cardinal bird as part of its logo as early as 1947 and first featured a cardinal head on its helmets in 1960.
http://mentalfloss.com/article/25650/whats-nickname-origins-all-32-nfl-team-names
ARIZONA CARDINALS
The franchise began play in Chicago in 1898 before moving to St. Louis in 1960 and Arizona in 1988. Team owner Chris OBrien purchased used and faded maroon jerseys from the University of Chicago in 1901 and dubbed the color of his squads new outfits cardinal red. A nickname was born. The team adopted the cardinal bird as part of its logo as early as 1947 and first featured a cardinal head on its helmets in 1960.
http://mentalfloss.com/article/25650/whats-nickname-origins-all-32-nfl-team-names