He won the Formula One world title last weekend, but Nico Rosberg shocked the sporting world Friday by announcing his retirement.
The 31-year-old German sealed his first F1 title after a thrilling final race of the 2016 season in Abu Dhabi Sunday, edging out Mercedes teammate Lewis Hamilton.
I'm 1000% sure I'll be happy with this new direction.
"I have climbed my mountain, I am on the peak, so this feels right," he wrote on his Facebook page.
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Rosberg first raced in F1 with Williams in 2006 and joined Mercedes in 2010. He clinched 23 career wins and finished on the podium 57 times in 206 races.
His record places him 12th on the all-time list of drivers alongside Brazilian Nelson Piquet.
We said we'd be champions back then, now we both are! Congratulations Nico, you did everything a champion needed to do. Well deserved
He beat Hamilton to the title by five points after a season-long tussle he described as "so damn tough."
"Since 25 years in racing, it has been my dream, my 'one thing' to become Formula One world champion," he wrote.
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"Through the hard work, the pain, the sacrifices, this has been my target.And now I've made it. My strongest emotion right now is deep gratitude to everybody who supported me to make that dream happen."