NEED TO KNOW

MMA fighter Isaac Johnson died at age 31 after taking part in a boxing match

He suffered an injury during the third and final round of his match against fighter Mario Aleksandrovski

An autopsy has been scheduled to determine the cause of death

An MMA fighter died after being injured during a match in Chicago, according to multiple reports. He was 31.

Isaac Johnson collapsed after suffering an injury during the third and final round of his match against fighter Mario Aleksandrovski at the Matador Fighter Challenge at Cicero Stadium on Friday, Nov. 21, NBC 5 Chicago and Fox 5 Washington, D.C. reported.

An ambulance was called at 8:38 p.m. local time to transport “an injured fighter” to the hospital, a town spokesperson told NBC 5 Chicago. Johnson later died at 12:01 a.

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