New York Giants: Team History
49ers–Cardinals rivalry - Wikipedia
Stakes pitiful in renewal of 49ers-Giants rivalry – East Bay Times
49ers–Cardinals rivalry - Wikipedia
New York Giants vs. San Francisco 49ers: 5 Classic Playoff Encounters, News, Scores, Highlights, Stats, and Rumors
San Francisco 49ers - Wikipedia
San Francisco 49ers - Wikipedia
The Underrated Rivalry That Seems Like a Big Rivalry to Us Fans, But to Most Fans, Not So Much - Niners Nation
49ers-Rams Rivalry, American Football Wiki
San Francisco 49ers - Wikipedia
San Francisco 49ers - Wikipedia
Cowboys-49ers rivalry is undergoing a renaissance - ESPN
Breaking Some New York Hearts and All Regular Season Records, More People Than Ever in History Tuned In to Giants Dallas Cowboys Divisional Rivalry Game - EssentiallySports
Giants vs. Eagles: One of the NFL's Fiercest Rivalries