Stefanos Tsitsipas won the recent season-ending ATP Finals in London and now many have predicted that he would be in contention for a Grand Slam in the next year. Tsitsipas has now posted a video on his social media account where he is seen training with the World's Strongest Man - Hafþór Júlíus Björnsson.
According to Wikipedia, 31-year-old Bjornsson is an Icelandic professional strongman and actor and is the first person to have won the Arnold Strongman Classic, Europe's Strongest Man and World's Strongest Man in the same calendar year, He was also seen in the HBO Series Game of Thrones for five seasons and is a former professional basketball player.
Hafþór won the Strongest Man in Iceland event in 2010 and won Iceland's Strongest Man in 2011. He won Europe's Strongest Man in 2014, a feat he repeated in 2015, 2017, 2018, and 2019. He won silver at the 2017 Arnold Strongman Classic, improving to gold in 2018 and 2019.
He competed in his first World's Strongest Man in 2011, placing sixth. He won three bronze and three silver medals in his next six attempts before being crowned champion in 2018. The 21-year-old Tsitsipas is currently ranked No.
6 in the world, one spot below his career-best ranking of No. 5. He won 3 ATP titles this year, including the ATP Finals and over $7 million - taking his total to 4 career titles and over $10 million.