Mumbai, Nov. 2 -- From the centre circle on the Stamford Bridge stadium pitch, Morgan Rogers ran almost in a straight line towards goal. He moved past five Manchester United defenders, unchallenged, before delicately dinking the ball over the rushing goalkeeper Senne Lammens to give Chelsea the first goal in a Premier League match they'd win 2-0.

The goal highlighted all that has been going wrong with the Red Devils - starting with a leaky defence that seems to have forgotten its fundamentals.

In the Premier League, defending champions Arsenal took a three-point gap at the top of the table with a win over Liverpool while title-rivals Manchester City lost a second consecutive league match.

But there were plenty of other talking points f...