Red Bull are making contingency plans in case Max Verstappen leaves the team. The world champion is under contract until the end of 2028 but his future remains uncertain. Verstappen is on course to win a fourth straight title with the Bulls this year. Lando Norris has been slowly reducing his lead, but he retains a 52-point advantage with six races (and three Sprints) remaining. While performance is of course the most important factor, it may not be enough to convince Verstappen to commit long-term. The team’s trajectory is a concern. They started the year with by far the best car on the grid,…