He said: “They have been playing quite well. I think it's the old story, the scoring of goals. Their performance level has been very good, I have been impressed.
“I look at the midfield players and I think they are as good as anyone, players playing in England.
"And (John) McGinn coming through at Aston Villa has been fantastic. (Kenny) McLean at Norwich has had a great season."
Before the former Manchester United boss concluded: “So I'm optimistic. The important thing about the home games is, I know it's only 12,000 people, but 12,000 at Hampden when they get going is like 50,000 at Wembley. We can create the atmosphere all right."