Seattle Seahawks - Wikipedia
The 49ers-Seahawks rivalry has been reborn, with one big casting change, NFL
San Francisco 49ers - Wikipedia
San Francisco 49ers - Wikipedia
San Francisco 49ers - Wikipedia
Seattle Seahawks - Wikipedia
How 49ers vs. Seahawks Rivalry Became the NFL's Fiercest, News, Scores, Highlights, Stats, and Rumors
The 49ers and Seahawks Rivalry: A Brief but Exciting History – The Paw Print
Cowboys-49ers rivalry is undergoing a renaissance - ESPN
49ers–Seahawks rivalry - Wikipedia