Reaction to the retirement of F1 champion Nico Rosberg

Nico Rosberg stunned Formula One on Friday by announcing his retirement, only days after he had won the world championship with Mercedes at the season-ending Abu Dhabi Grand Prix. The following details the reaction of those within the sport to his surprising decision: - - - - Mercedes team boss Toto Wolff "This is a brave decision by Nico and testament to the strength of his character," Wolff said in a team statement. "He has chosen to leave at the pinnacle of his career, as world champion, havi