49ers 2017 Season Preview: Will Shanahan Era Translate to Wins in San Francisco?

The San Francisco 49ers have new leadership in 2017 with general manager John Lynch and head coach Kyle Shanahan taking the reigns.  Will this organizational shift translate to more wins?  Which players will be X-factors for the 49ers this season?  Watch as Adam Lefkoe and Bleacher Report Lead NFL Analyst Chris Simms preview the 49ers' season in the video above.

                  

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