straight to your inbox every day for freeSir Alex Ferguson was sat at home on a snowy January night in 2010 when his phone beeped with a text message."I don't know whether you remember me," it started."But I need to call you."Remember him he did. It was from Ruud van Nistelrooy."He left four years ago!" Sir Alex exclaimed to wife Cathy. "Maybe he'd like to come back to United?" she replied.Ferguson was bemused. What could he possibly want?The legendary manger simply replied "OK". His phone lit