Jurgen Klopp certainly seemed impressed with what he saw from Manchester United’s Kobbie Mainoo against Liverpool today. With Casemiro unavailable this afternoon, Erik ten Hag decided to play Scott McTominay alongside his young midfield maestro. And although Mainoo shone in his 80 minutes before being replaced by Christian Eriksen, it was clear that the balance wasn’t quite right. United looked dangerous in attack with McTominay perfectly timing his runs, as he always seems to do these days. But there ultimately wasn’t enough protection in front of the back four heading the other way, and a be…