So much for Premier League's home comforts

The opening weeks of the Premier League campaign have raised a number of questions.

What’s eating Jose Mourinho? How have Leicester defied expectations? Why do Tottenham always wait until the 11th hour before attempting to act in the transfer market? Why do Sunderland invariably resemble a bad pub team in the early stages of a season? And why are so many teams struggling so badly in front of their own fans?

That last question is particularly intriguing, especially for those with a fondness for accumulators.