straight to your inbox every day for freeHarry Maguire said Dean Henderson has all the attributes to be Manchester United's first-choice goalkeeper in the future but David de Gea is still the No.1.Henderson kept a ninth clean sheet in 14 starts this season and did his chances of establishing himself as United's long-term No.1 no harm with an assured performance against City.It was a Henderson throw that set Luke Shaw away in the build-up to United's second goal, with the left-back firing low