Jurgen Klopp has sent a warning to his Liverpool players about Tottenham Hotspur after last night’s Merseyside Derby defeat. Tottenham face a difficult run of fixtures over the next 10 days as Ange Postecoglou bids to deliver a top-four finish. Spurs have a north London derby at the Tottenham Hotspur Stadium on Sunday, with trips to Stamford Bridge and Anfield the following week. Liverpool suffered a surprise 2-0 defeat at Goodison Park on Wednesday evening, which represents a huge blow to their Premier League title hopes. Postecoglou’s side will be aiming to repeat the trick against their nei…