ARLINGTON, TX – SEPTEMBER 07: Zack Martin #70 of the Dallas Cowboys at AT&T Stadium on September 7, 2014 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)
San Francisco 49ers v Dallas Cowboys
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ARLINGTON, TX – SEPTEMBER 07: Zack Martin #70 of the Dallas Cowboys at AT&T Stadium on September 7, 2014 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)