Max Verstappen may have to keep the champagne on ice this weekend after Red Bull admitted a problem of their own making ahead of the Las Vegas Grand Prix . The Dutchman could be crowned a four-time Formula 1 champion this weekend if he finishes the race above nearest challenger Lando Norris . However, he looked slow in practice on the first day of running - particularly in FP2 when he was 17th on the timesheets and two seconds off the pace set by Lewis Hamilton . An ill-timed red flag meant he