The Napoli boss has been impressed by the performances of Joachim Low's men, who kicked off their campaign with a 4-0 rout of Cristiano Ronaldo's Portugal and reached the tournament decider courtesy of a stunning 7-1 demolition of hosts Brazil.
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"I don't know about you but I struggle to find a favourite in the World Cup final," the Spanish coach wrote in Corriere dello Sport.
"A game like this, which puts Germany and Argentina on the field, cannot persuade you to believe that one squad is, on paper, stronger than the other.
"You might think that there are certain details to favour one side over the other but one cannot make a clear and absolute judgement.
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"It's true that they're saying that because of certain tactical attitudes and the exceptional 7-1 win in the semi-final, that the European squad has the concrete possibility of being able to win the World Cup in South America for the first time but Germany are aware of the need to control those three fantastic players up front for Argentina.
"Whatever happens, [on Sunday] evening, history will be made."