The “intense” coaching style of Celtic boss Ange Postecoglou has been hailed by Real Madrid manager Carlo Ancelotti. Former Socceroos coach Postecoglou faces arguably the biggest challenge of his club coaching career when Celtic hosts Ancelotti’s Spanish giants in a UEFA Champions League Group F match on Wednesday morning. “If we’re not successful, fair enough, but let’s go down swinging, rather than deferring to someone because they’re a good team,” Postecoglou told The Sunday Post.