Chris Culliver, San Francisco 49er, refuses to have any gay teammates - Outsports
Chris Culliver of 49ers -- DUMBEST Apology Ever!
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Homosexuality in American football - Wikipedia
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Thank you, Chris Culliver, for speaking your ignorant homophobia out loud - Outsports
49ers' Culliver Apologizes For 'Gay Players Not Welcome' Remarks - CBS San Francisco
Outsports 2013 gay sports year in review - Outsports
NFL off-season report card: Grading the San Francisco 49ers - Sports Illustrated