Bernardo Silva has said it was 'impossible to say no' to Real Madrid this summer, calling the Spanish side the 'the greatest club in football history'. Silva has signed for Real Madrid on a free transfer fromManchester City, following a decorated nine-year spell in the Premier League. Despite interest from Barcelona and Atletico Madrid, the 31-year-old said the lure of Real Madrid was impossible to turn down this summer. "When Real Madrid came calling, it was impossible to say no. Jose Mourinho has returned to Real Madrid this summer, with Silva excited about the prospect of working under his compatriot.