Referee Yuichi Nishimura (C) of Japan gestures for a penalty during the 2014 World Cup opening match between Brazil and Croatia at the Corinthians arena in Sao Paulo June 12, 2014. REUTERS/Murad Sezer
CURITIBA Brazil (Reuters) - Goalline technology and referees spraying the pitch to mark a line where defensive walls must stand are among the innovations at the World Cup in Brazil, illustrating how the game is subtly evolving.
Following are some of the other novelties and that fans have enjoyed over the first round of matches.
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