Manchester United are no strangers to a short-term, sticking plaster sort of striker signing. This, after all, is a club who signed Odion Ighalo and Wout Weghorst during previous January transfer windows, and seriously considered landing another 30-something with a patchy transfer record in English football in Bayern Munich’s Eric-Maxim Choupo-Moting. But, while a damn sight younger than Manchester United’s usual mid-season striker signings, there is very little in Moise Kean’s recent form to suggest that the former Everton misfit would have been an addition on par with cult hero Ighalo and th…