“The buy option is quite similar to prices we have paid for players before.

“It was key to the deal that we got a buy option in.

“We have made it pretty clear over the last few years that just pure loans don’t really appeal to us unless they are special circumstances, like a Matty James.

“It is difficult to get a club to put a buy clause in there when you have such a talented young player coming out of the US. But we got there.”