Premier League: 10 talking points from the weekend’s action

Marco Rose’s tactics are lifting Bournemouth, Roméo Lavia makes progress with Chelsea and Roberto De Zerbi gives youth a chance at SpursGood defending is the mark of champions. At Anfield, where Arsenal had not won in the past 13 visits, Mikel Arteta followed the orthodoxy of locking down once his team took the lead. This time around, it proved successful.…