Red Bull sacked Christian Horner, Formula One's longest-serving active team principal and one of the most successful of all time, and replaced him on Wednesday with Racing Bulls' Laurent Mekies. Horner,

After 20 years at the helm of Red Bull Racing, Christian Horner is out as team principal and CEO, effective Wednesday. The bombshell move comes at a tumultuous time for the Formula One team as it struggles to create a competitive car, sitting fourth in the constructors’ standings largely thanks to Max Verstappen’s performances this season.

Christian Horner has been sacked as Red Bull team principal after 20 years in the role. The 51-year-old has been in charge of the Formula 1 team since their inception in 2005, leading them to eight drivers' championship and six constructors' championship titles.