49ers-Packers playoff rivalry includes SF owner fighting fan
Green Bay Packers - Wikipedia
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San Francisco 49ers - Wikipedia
Wait till I tell daddy 49ers what the Packer bully said to me! Things
San Francisco 49ers - Wikipedia
Broncos-Seahawks rivalry, American Football Wiki
Category:Rivalries, American Football Wiki
Who do you love to hate? San Francisco 49ers or Oakland Raiders
49ers–Packers rivalry - Wikipedia