Newcastle United had a very quiet January transfer window, but the summer could be much more exciting. The Magpies were unable to make any major signings midway through the season. That was because of the Premier League‘s profit and sustainability rules. Instead, the only arrival was youngster Alfie Harrison from Manchester City, who scored his first goal for the Under-18s last week. But the club are hoping to splash the cash again in the summer, much like they have done during almost every window since the change of ownership. Last year we saw big money spent on the likes of Sandro Tonali, Ha…