There could be a changing of the guard at Newcastle United this summer. While FFP restrictions limited what Newcastle do in the January transfer window, it seems things may be rejuvenated somewhat at the end of the season. The club are reportedly looking to raise significant money through player sales in Eddie Howe‘s squad. Indeed, Callum Wilson is reportedly looking to leave. Miguel Almiron, meanwhile, is thought to be attracting interest from clubs in Saudi Arabia. Even Kieran Trippier’s future is uncertain at this stage. Then there’s Martin Dubravka. The goalkeeper, who has been hailed as “…