"The interest of Chelsea is virtually official," Marcelo Ferreyra told Radio Caracol. "The Blues are talking to Inter.
"Fredy is happy at Inter and we will have to carefully evaluate the London club's project for the future.
"The two Manchester clubs have also shown an interest, but he is a back-up option for both of them.
"There have been a number of contacts between the Nerazzurri and Chelsea officials. All we are waiting for is a decision from President Erick Thohir."
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