The San Francisco 49ers have suffered a painful blow to their secondary. Chris Culliver tore his ACL on Thursday, Geno Hayes Jaguars Jersey, a source who spoke to the cornerback told NFL.com's Ian Rapoport on Thursday night. An MRI confirmed the injury, Philly Brown Panthers Jersey, which occurred during a punt return drill in practice. It's exceedingly likely that Culliver will undergo surgery that will wipe out his 2013 season. The Sacramento
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