World champion Max Verstappen and Red Bull team-mate Sergio Perez has given their backing to the Monaco Formula One Grand Prix, with a contract not yet signed beyond this season. F1’s US owners have been pushing into new markets and although most people in the F1 paddock assume the traditional race through he streets of Monte Carlo will gain an extension, an announcement is not yet forthcoming with this year’s race happening on Sunday. “The track is very old school and narrow, your heart rate goes so high, it’s insane!” Dutchman Verstappen said in a Red Bull release on Thursday. Verstappen won…