Three things we learned from Gameweek 13 of the Premier League Gameweek 13 of the Premier League saw Liverpool maintain their eightpoint advantage at the top of the table with a hard-fought 2-1 triumph at Crystal Palace.Meanwhile, holders Manchester were able to return to winning ways after getting the better of Chelsea, who had previously won six league games on the bounce.On the other side, there was frustration for the likes of Arsenal and Manchester...