Christian Horner believes that Red Bull is still in the mix for the constructors title, despite their 49-point deficit to leaders McLaren. For the Milton Keynes-based squad, it's been a much harder year than the previous two, where they cruised to back-to-back team and drivers championships. Speaking to TalkSport, team boss Christian Horner says that the battle for the constructors' championship is not yet over as the final three rounds approach.