<Tr> <Td> Miami Dolphins * * </Td> <Td> San Diego Chargers </Td> </Tr> <Tr> <Td> New York Jets </Td> <Td> </Td> </Tr> <Table> 1966 NFL teams <Tr> <Th> Eastern </Th> <Th> Western </Th> </Tr> <Tr> <Td> Atlanta Falcons * </Td> <Td> Baltimore Colts </Td> </Tr> <Tr> <Td> Cleveland Browns </Td> <Td> Chicago Bears </Td> </Tr> <Tr> <Td> Dallas Cowboys </Td> <Td> Detroit Lions </Td> </Tr> <Tr> <Td> New York Giants </Td> <Td> Green Bay Packers </Td> </Tr> <Tr> <Td> Philadelphia Eagles </Td> <Td> Los Angeles Rams </Td> </Tr> <Tr> <Td> Pittsburgh Steelers </Td> <Td> Minnesota Vikings </Td> </Tr> <Tr> <Td> St. Louis Cardinals </Td> <Td> San Francisco 49ers </Td> </Tr> <Tr> <Td> Washington Redskins </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Eastern </Th> <Th> Western </Th> </Tr>

Who is the youngest franchise in the nfl