Marvin Lewis: No down side to signing Vontaze Burfict

Coming out of Arizona State, Vontaze Burfict was viewed as a risky proposition, and he ultimately went undrafted. But Bengals coach Marvin Lewis says he was happy to sign Burfict as an undrafted free agent because there’s no risk at all to that. “I don’t know what down side there is. I think he’s a…