UFC lightweight contender Damir Ismagulov says he’s done fighting.

In an Instagram post Sunday, Ismagulov (24-2 MMA, 5-1 UFC) said health issues have forced him to retire from professional competition. He did not elaborate further on the decision, but thanked his supporters.

“Unfortunately, due to circumstances and health problems, I am forced to end my sports career,” Ismagulov wrote in Russian. “Thanks to all those who were with me regardless of the outcome in the battles, who were...

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