Horner: "Timing is right" for Vettel's F1 retirement

Vettel joined Red Bull in 2009 after serving his apprenticeship at sister team Toro Rosso. He finished second in his first season with the team and then won the world championship four times in 2010-13.
He then signed for Ferrari towards the end of a difficult season with the introduction of the hybrid engine rules in 2014.
Despite leaving the team, Vettel maintained a good relationship …Keep reading
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