Category:Rivalries, American Football Wiki
49ers–Cowboys rivalry - Wikipedia
49ers–Seahawks rivalry - Wikipedia
NFL - A classic NFC rivalry on Championship Sunday. #NFLPlayoffs
San Francisco 49ers - Wikipedia
Packers to face 49ers in NFC Divisional playoff game
Packers football: Matthews not just a star — he's a 'supernova'
Green Bay Packers - Wikipedia
Green Bay Packers - Wikipedia
San Francisco 49ers - Wikipedia