He said: "The worrying thing is that the midfield does not run, when the ball gets played behind them their heads start wobbling.
"That's down to the manager telling them and identifying it.
"Kobbie Mainoo, I like him, I really like him, but he has caught the Casemiro bug where he is jogging around the pitch.
"Christian Eriksen is the same he is one of the most honest players you're ever going to find.
"I think it is a culture there. Not willing to run. They aren't running enough. They need to be able to run.
"If I was Kobbie's agent or youth-team coach I would say to him, 'When you first went into the team you ran around with a desire. You're not doing that at the moment. Don't fall into the trap of what they're doing, you don't have good examples there.'"