The Blues were twice pegged back as Thiago Silva’s opener was cancelled out by Jayden Bogle’s equaliser, but it looked like the Blues would come away with maximum points when Noni Madueke put them 2-1 up, only for McBurnie to level at the death.Sheffield United manager Chris Wilder restored McBurnie and Ben Osborn to his starting line-up, while Ivo Grbic kept his place in goal despite an error which resulted in a goal at Liverpool on Thursday night.Chelsea made three changes to the one that started their 4-3 midweek victory over Manchester United, with Silva, Madueke and Trevoh Chalobah…