By Jacob Leeks Tyson Fury urged Manchester United boss Erik ten Hag to attack Liverpool in their FA Cup quarter-final. Fury is famously a huge United fan and was in attendance at Old Trafford for Sunday’s crunch clash. The British boxer is gearing up to take on Oleksandr Usyk in Saudi Arabia in May. Their fight was originally scheduled for February but had to be delayed after Fury suffered a nasty cut above his eye. With nine weeks still to go before their postponed bout, Fury took some time out from his training schedule. He travelled to Manchester to watch Sunday’s FA Cup game from the direc…