Harry Redknapp splashed out on a new horse behind his wife's back after a freak conversation with his cleaner. The legendary Premier League manager has two horses competing at this week’s Cheltenham Festival : Shakem Up’Arry in Thursday’s Handicap Chase and Yellow Car in Friday’s Novices’ Hurdle. But the story behind how the latter came into his possession is an astonishing one. Racing enthusiast Redknapp , 78, revealed last month that he was recently given a proposition to buy Yellow Car,