It is thought that 14-year-old Max Clayton could be the target of the Premier League giants.

But Holland told BBC Radio Stoke: "There's been no official contact, it is all just speculation.

"We've become used to this sort of thing. The time for us to worry would be when big clubs aren't interested."

Players such as Dean Ashton, Danny Murphy and Rob Hulse are all graduates of Crewe's famed academy.