NATAL, BRAZIL - JUNE 13: Referee Wilmar Roldan sprays a temporary line for a free kick as Benjamin Moukandjo and Enoh Eyong of Cameroon form a wall during the 2014 FIFA World Cup Brazil Group A match between Mexico and Cameroon at Estadio das Dunas on June 13, 2014 in Natal, Brazil.  (Photo by Julian Finney/Getty Images)