The pair played together at the Azzurri.
“If I said it three months ago, I'd have burned the house down, but now I can say one thing about Higuain: as a man I've never liked him, never," Sosa told Canale 21.
“He's a top player, a phenomenon, but as a man he's always disappointed me.
“He's rejected the Argentine national team more than once, one time because he wanted to improve his physical condition. He's not worth my salt."