Former England and Newcastle star, Alan Shearer has hit out at Chelsea forward, Nicolas Jackson, following the former Villarreal forward’s performance against Manchester City on Saturday. Nicolas, 22, performed poorly in the 1-0 FA Cup semifinal loss to Pep Guardiola’s side. Bernardo Silva scored the only goal of the night towards the end of the last minutes to take City to the final of the competition But Mauricio Pochettino’s men will rue the chances they missed to win the game. Jackson squandard at least three major chances to put them ahead. He had a massive chance in the first half but wa…