It has been a difficult season of injuries for Manchester United, and for one player in particular, the bad luck goes back before this campaign even began. 13 months ago now, Manchester United experienced a nightmare 10 minute spell against Sevilla which blew the club’s season apart. While the two goals conceded were a big blow at the time, Lisandro Martinez’s injury was even bigger, he ended up missing the FA Cup final. A year later, and Martinez has sufferedmultiple injury setbacks. Another foot operation, a MCL injury, and most recently, a calf injury. There may be good news on the horizon,…