By sacking Christian Horner, Red Bull has made a big change to try to return to F1 winning ways. But there are other steps it must take, too

Two-time world champion Fernando Alonso has suggested Red Bull needs to do more to deliver Max Verstappen a car worthy of his talent.

Max Verstappen's future was in the headlines even before Red Bull sacked Christian Horner as team boss. But will that decision influence the four-time F1 world champion's call on whether he stays or goes?