PORTO ALEGRE, BRAZIL - JUNE 25:  Lionel Messi of Argentina prepares to take a free kick as referee Nicola Rizzoli sprays a temporary line during the 2014 FIFA World Cup Brazil Group F match between Nigeria and Argentina at Estadio Beira-Rio on June 25, 2014 in Porto Alegre, Brazil.  (Photo by Ian Walton/Getty Images)