Stock photography, photos: yellow card Stock photos of referees yellow card Photograph: © Rob Wilkinson Click for a larger image and more information Keywords associated with this stock photo: sport, play, recreation, yellow, card, soccer, association, football, foul, free, kick, stamp, penalty, hand, ball, over, the, top, too, aggressive, extreme, brutal, conduct, violent, behaviour, sent, off, hand, fingers, influence, league, premier, league, premiership, first, division