Leclerc shaded Ferrari teammate Carlos Sainz by just 0.067s with a brilliant opening lap of Q3, while Max Verstappen narrowly missed out as he took third, 0.097s off pole. The Autodromo Hermanos Rodriguez served up an unpredictable qualifying with Ferrari unleashing surprisingly impressive pace when it mattered most to beat Verstappen, who looked the odds-on favourite after topping all three practice sessions. However, the session was dominated by a series of investigations that has seen a host of drivers summoned to the FIA stewards’ office, including Verstappen and the Mercedes duo of George Russell and Lewis Hamilton.Verstappen and Russell are being investigated…