We have seen enough injuries at Manchester United over the past 12 months to know the signs. Manchester United fans immediately feared the worst when Leny Yoro suffered an injury in pre-season against Arsenal. The lack of information from the club in the subsequent days was another ominous sign. Then Leny Yoro was pictured in a walking boot and crutches. Then just before the Real Betis game, it was confirmed Yoro will face three months on the sidelines with a fractured metatarsal. READ MORE: Who Is Leny Yoro? Parents, Social Media, Lille Career, Man Utd MoveLeny Yoro ‘disaster’Manchester Unite…