Chelsea fans have spotted Billy Gilmour's reaction to Christian Pulisic's fine piece of skill against Sheffield United.It came on Sunday afternoon at Stamford Bridge where the Blues had to battle for a 2-0 win in the FA Cup.With Under-23 boss Paul Heckingbottom in charge following Chris Wilder's dismissal, the Blades put up more fight compared to their 5-0 drubbing at the hands of Leicester the week before.But first blood went to the home side when Ben Chilwell's fierce drive was diverted past Aaron Ramsdale by Oliver Norwood in the first-half.However, that merely spurred the visitors on and after the break United have several chances to equalise but could not take them.Ultimately, the quality shone through for Chelsea when second-half sub
