First-down line could be coming to NFL stadiums

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FILE - In this Sept. 12, 2012, file photo, officials measure for a Cincinnati Bengals first down during the second quarter an NFL football game against the New England Patriots, in Foxborough, Mass. Football fans watching NFL games on TV have grown accustomed to the imaginary first-down stripe that runs across the field. The league is considering the possibility of making that line a reality at the stadium. (AP Photo/Michael Dwyer, File) Photo by