UFC star Paulo Costa was criticized for applauding Russian President Vladimir Putin during the invasion of Ukraine.
The middleweight of 34 years declared that he was not a weak leader' like American President Joe Biden and France's Emmanuel Macron.
Paulo Costa, UFC fighter, has been attacked on Twitter
In his professional MMA career, the Brazilian has a record of 13-2.
He is still reeling from his back-to-back losses to Marvin Vettori, Israel Adesanya.
He might now want to avoid more misery by not using social media after his apparent support for Putin.
On Instagram, the UFC fighter wrote: "Vladimir Putin does not have the same weakness as Biden or Macron."
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"He is an exmilitary man who was once stabbed in his stomach and survived. He is a world leader at another level.
It may be something you don't like, but it is the truth.
His comments instantly drew a strong backlash. One stated: "Clearly, you don't know anything, Putin was born privileged. A spoiled brat!"
"His history doesn't look like many people believe. Hitler is a leader who builds your country over many decades and then just throws it away in one night.
Another said, "You probably still drink that wine!" Izzy humped and huffed you in that octagon, and you couldn’t do s*** Mother r!"
One fan said, "You're as loose as Putin." Are you dumb or what? !"
Another commented, "Hey bozo! Putin is human garbage." I don't think you can see the hair plugs being inserted too deeply if they didn't.
Sajid Javid today vowed that Britain would join any war against Russia if Putin's crazed dictatorship attacks a NATO country.
This morning, the Health Secretary warned Kremlin that there would be a "significant reaction" to any aggression.
Last night, Russia launched missile strikes 12 miles from Ukraine's border with Poland. This raises fears about a new global conflict.
Warsaw is part the 30-strong defensive alliance that also includes the US, France, Germany, and the UK.