Title challenger Lando Norris was fastest in the second practice session for the Formula One Singapore Grand Prix on Friday. The McLaren driver clocked 1 minute 30.727 seconds around the Marina Bay Street Circuit, beating the Ferrari of Charles Leclerc by 0.058s. Leclerc had topped the first practice, followed by Norris, while Carlos Sainz repeated his result from the earlier session and was third in the other Ferrari. Three-time defending champion Max Verstappen was only 15th, with Red Bull team-mate Sergio Perez in 8th. The Dutchman is once again trying to end his winless run, which was exte…