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Dunga insists avoiding injury is greatest concern at Emirates

Brazil coach Dunga insists the fitness of his players is his greatest concern ahead of tonight's friendly against Republic of Ireland at the Emirates Stadium.

The five-time world champions are putting the final touches to their preparations before South Africa and Dunga has revealed he will make a host of changes during the match to try to ensure his squad do not pick up injuries.

He said: "The thing that is the most important for us is bringing the players back to the clubs without injury. Some played on Sunday, some 10 hours ago.

"The players might be tired and we need to ensure we don't get injured.

"For the rest, it's normal -- we'll make some substitutions so that as many as possible can play. We don't want players injured for the World Cup."