Premier League giant Chelsea has been given a big boost in its expected hunt for a striker next summer after Francois Gallardo, a FIFA agent and close friend of Paris Saint-Germainstriker Edinson Cavani, revealed that the Uruguay international is unhappy in Paris and could seek to move away from the Parc des Princes this summer. “There is a player of thesquad at PSG who is not comfortable and wants to leave called Cavani,” Gallardo said. “If clubs want to sign him – it would soon be time to make a move.”