By Jamie Spencer Manchester United manager Erik ten Hag praised the mental strength of his team to rescue a point against Chelsea by scoring a stoppage time equaliser at Stamford Bridge on Saturday evening. It seemed to mark the turning of a corner for a United side that was often heavily criticised last season for losing confidence and dropping their heads in the face of setbacks. United had been the better of the two teams in the first half without making the most of it. Chelsea came more into the contest after the break and benefitted from a moment of madness from substitute Scott McTominay…