The Mountain was initially scheduled to fight his strongman rival Eddie Hall but it couldn't take place after the latter suffered a tear in his bicep.
Larratt replaced Hall and a fight was scheduled between him and Bjornsson in Dubai, but it didn't go very well at all for the arm-wrestling legend.
The Icelandic strongman was dominant from the very first second as he kept landing jabs on his opponent. While Larratt was forced to be on the defensive, he managed to land a few hooks on Bjornsson, but nothing to damage his opponent.
After a minute, the Canadian was unable to cope with Bjornsson's onslaught, and the referee was forced to stop the fight.
The Mountain was adjudged the winner via knockout and the highlights can be seen below.
Bjornsson won his first boxing bout after two draws against Steven Ward and Simon Vallily.
Following the fight, the 32-year-old called out his rival Hall, saying: "You guys know who I want to fight, come on who is it? I know he is at home chilling on the sofa with his popcorn and cola, enjoy your life buddy I am gonna knock you out soon.”
Earlier, Hall had mocked Bjornsson's boxing career, saying: "I've watched both the fights and it was very laughable. It's put a lot more confidence in me watching his fights, because I know what I'm capable of. I know what I can do."
Both Hall and Bjornsson are among the most popular strongmen in the world with the former finishing ahead of the latter in the World's Strongest Man competition in 2017.
There's little doubt that after The Beast recovers from his injury, a fight between him and Bjornsson would be scheduled.
Shortly after announcing Hall's injury, MTK Global said that the bout could take place in early 2022.News Now - Sport News