First-down line could be coming to NFL stadiums
BALTIMORE -- Fans watching NFL games on television have grown accustomed to the imaginary yellow line that runs across the field in accord with the first-down marker.
That first-down line could one day become part of the in-game experience at all 32 NFL stadiums.
Alan Amron, with financial backing from former NFL player and broadcaster Pat Summerall, has developed the First Down Laser System. Amron said the system projects a first-down line across the field that can be seen in the ...
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