shadow of football official holding up down marker - terreinwinst of terreinverlies in yards stockfoto's en -beelden
american football referees use chain to measure first down - terreinwinst of terreinverlies in yards stockfoto's en -beelden
Bryson DeChambeau of the United States looks at his yardage book on the fifth hole during the second round of The Memorial Tournament Presented by...
Shingo Katayama of Japan takes a yardage meter from his caddy while walking down the number one fairway during a practice round April 6, 2009 at the...
Ohio tailback Vince Workman inches for extra yardage in the grasp of CU linebacker Barry Remington. Credit: Denver Post
american football field being prepared for game. - terreinwinst of terreinverlies in yards stockfoto's en -beelden
black and white check fabric being measured for mask - terreinwinst of terreinverlies in yards stockfoto's en -beelden