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PITTSBURGH, PA - NOVEMBER 13: Members of the offensive line of the Dallas Cowboys, including tackle Doug Free #68, guard Zack Martin #70, center Travis Frederick #72, guard Ronald Leary #65 and tackle Tyron Smith #77, walk to the line of scrimmage during a game against the Pittsburgh Steelers at Heinz Field on November 13, 2016 in Pittsburgh, Pennsylvania. The Cowboys defeated the Steelers 35-30. (Photo by George Gojkovich/Getty Images)

PITTSBURGH, PA - NOVEMBER 13: Members of the offensive line of the Dallas Cowboys, including tackle Doug Free #68, guard Zack Martin #70, center Travis Frederick #72, guard Ronald Leary #65 and tackle Tyron Smith #77, walk to the line of scrimmage during a game against the Pittsburgh Steelers at Heinz Field on November 13, 2016 in Pittsburgh, Pennsylvania. The Cowboys defeated the Steelers 35-30.  (Photo by George Gojkovich/Getty Images)