Red Bull team principal Christian Horner has reignited the duel with Mercedes as he prepares to go under enemy lines at their F1 factory as the two rivals gear up for the new season.
In 2021, relations between the pair were tempestuous as Max Verstappen and Lewis Hamilton became embroiled in an epic battle for the title, with the Dutchman eventually prevailing in controversial circumstances at the season-ending Abu Dhabi Grand Prix.
The Silver Arrows however, did claim an eighth straight Constructors' title, but the dominance of both teams could be under threat in 2022 with brand new technical regulations being introduced into the sport.
