Aston Villa could use Chelsea’s interest in Unai Emery target Joao Felix to their advantage in a move that could see the Villa Park club sign the perfect Moussa Diaby replacement. It is no secret that Unai Emery is a keen admirer of Joao Felix and with Atletico Madrid keen to offload the forward this summer Aston Villa have been eyeing up an ambitious move for the 24-year-old. Given Atletico paid Benfica a massive £113 million fee to sign Felix as a teenager, the fact they are reportedly willing to sanction a sale for the Portugal international for just £43 million shows he has not performed a…