Chelsea's title defence looks all but over after a miserable loss at West Ham United, while Wayne Rooney's first Merseyside derby goal earned Everton a draw at Liverpool. Here are five things we learned from the Premier League this weekend:Ghosts in machine foil Mourinho's bid to spook CityJose Mourinho set his stall out nice and early ahead of the Manchester derby. His tactical approach was familiar, too - a back four, two midfield scrappers and four quick players on the break. Even against an improving West Ham, Conte would have expected more, but instead the 1-0 defeat left the Italian conceding that hopes of successfully retaining the title are over. It was a welcome boost for West Ham counterpart David Moyes, who has had little to smile about since his return to the dug out.

Source: The Nation Bangkok December 10, 2017 20:03 UTC