A debut goal from Odion Ighalo helped Al-Hilal come from behind to thrash Al-Jazira 6-1 at the FIFA Club World Cup in Abu Dhabi on Sunday and book a mouth-watering semi-final with Chelsea on Wednesday. Thomas Tuchel, the coach of the current European champions, will be sure not to underestimate the Saudi Arabians. The Asian champions may have looked a little open at the back