There may be those who feel the San Francisco 49ers' red-hot 4-0 start to the 2023 season is a bit of a fluke.Īfter all, the Pittsburgh Steelers have an abysmal offense, the Los Angeles Rams are reconstructing, the New York Giants are wholly inconsistent and the Arizona Cardinals are competing for a top NFL Draft pick in 2024. The 49ers play their second primetime game of the season, and this time it'll be against the biggest rival in franchise history, the Cowboys.