The 19-year-old came off the bench to score in the 1-0 victory over a United States U23 side at Preston on Thursday evening.
"I believe United will handle his development in the best way. They are one of the best clubs in the world. Look at their history for developing young players," he said.
"There is still some physical development to come. As he plays more matches he will get hardened. It is very early stages of us working with him. We've seen him play for United.
"He hasn't got enormous game time under his belt. We might have to be patient and wait for him.
"We know he is a goalscorer, and he has got some great potential."
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