This ridiculous stat shows just how good Porto have been at home

Chelsea's poor start to the season continued with a 2-1 defeat against Porto in the Champions League on Tuesday.

But perhaps losing away to Jose Mourinho's former team isn't as big a deal as you might think. It turns out that Porto are very good at home, conceding just two goals at the Estadio Dragao in the last year before Willian's screamer last night... https://twitter.com/MiguelDelaney/status/648944519493353472 https://twitter.com/MiguelDelaney/status/648947845052149760