Red Bull team adviser Helmut Marko has admitted that “the concern is great” about Max Verstappen’s future with the Formula One team due to its current car struggles. Reigning F1 world champion Verstappen,

Concern is growing within Red Bull that Max Verstappen will leave the team at the end of the year, according to motorsport adviser Helmut Marko.

The Red Bull senior advisor sees the team's lack of performance at Bahrain a small window that could open wide for the four-time world champion to exit if things don't change