By Jude Summerfield New signing Endrick has been told to “calm down” by Real Madrid teammate Thibaut Courtois after two tough friendly appearances in pre-season. Much is expected of the Brazilian prodigy after he finally made the move to the Bernabeu and he has started both of their pre-season fixtures in the United States so far this summer. However, he is yet to score for his new club and struggled in the Clasico defeat to Barcelona on Saturday night. The teenager eventually came off in the 68th minute and Courtois admitted he thought the youngster might have been overawed by the occasion. S…