Klopp, with Germany, and Xavi, with the Netherlands, face each other in Nations League after disappointing World Cup for both countries Before the latest instalment of a time-honoured international rivalry gearing up for two distinct new beginnings, Jürgen Klopp could not resist sprinkling a little of the old mischief. “The good thing is that we both have the exact same situation,” he said of Xavi Hernández, his counterpart when Germany visit the Netherlands on Thursday night. “We met on Monday…