From the color of their jerseys. Chris O'Brien, who organized the team in Chicago in 1898, bought "cardinal red" jerseys for his team to wear.
Arizona cardinals cardinals
The Cardinals play in the State of Arizona, hence the name Arizona Cardinals.
The Arizona Cardinals play at the University of Phoenix Stadium in Glendale, Arizona.
The name refers to the birds.
In 1988, they moved to phoenix. In March 1994, they changed there name from Phoenix cardinals to Arizona cardinals.
The St. Louis Cardinals football team moved to Arizona in 1988, becoming the Phoenix Cardinals. They changed the team name from Phoenix to Arizona Cardinals in 1994.
They were known as the Phoenix Cardinals before they changed their name to the Arizona Cardinals before the 1994 season.Before that, they were the St. Louis Cardinals (1960-1986) and the Chicago Cardinals (1898-1959).
The Arizona Cardinals (NFL) or Arizona Rattlers (AFL)