Chicago MMA fighter dies after competition at Cicero Stadium, officials say

CICERO, Ill. (WLS) -- A Chicago MMA fighter died after a competition Friday night at a suburban stadium, officials said.

The incident happened at Cicero Stadium, 1909 S. Laramie Ave. in Cicero, according to the Cook County Medical Examiner's Office.

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A spokesperson for the town of Cicero confirmed that an ambulance took an injured fighter to Loyola University Medical Center around 8:38 p.m. Friday, and he was pronounced dead Saturday morning.

The deceased fighter was identified as 31-year-old Isaac Johnson, who lived in Chicago, the Cook County Medical Examiner's Office said.

Promotions for the Matador Fighter Challenge Friday night at Cicero Stadium showed Isaac Johnson in a heavyweight Thai matchup.

A fight promoter posted a message to social media Saturday, saying Johnson collapsed at the end of his fight Friday.

Cicero police are investigating. No further information was immediately available.