In this context, the two factors involved are sometimes spoken of as something you have and something you know. A common example of two-factor authentication is a bank card: the card itself is the physical item and the personal identification number (PIN) is the data that goes with it.
The 49ers would become the second best team in the league until it dissolved after the 49ers first season, and they joined the NFL ranks along with the Cleveland Browns and the Baltimore Colts. The San Francisco 49ers get their name from the California gold-seekers who stampeded the area in 1849.
The National Football League (NFL) was formed in 1922 out of the American Professional Football Association (APFA), which was founded in 1920. The Chicago Cardinals were founded by Chris OâBrien in 1898, using the name Cardinals starting in 1901.