The 27-year-old central defender, whose elder brother Bruno played for the Athens club in the 2004/05 season, has put pen to paper on a three-year contract with the Greek Super League runners-up.
"My brother has told me everything about AEK," said Geraldo, who will fill the void left by the departure of Italian defender Bruno Cirillo. "I´m coming to a big club with high ambitions."
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