straight to your inbox every day for free"It was life threatening... I was rushed to hospital. There are 3 or 4 days in Edinburgh Hospital I can't even remember".To make it at Manchester United as young lad, you have to overcome more than most. You have to push yourself harder. You have to believe in yourself, when few others will.But when Darren Fletcher looks back at the challenges he's endured now, he doesn't talk about trying to make his mark as a skinny teenager in a midfield of Roy Keane