Isaac Johnson collapsed at the end of his bout at Cicero Stadium, which hosted the Matador Fighter Challenge.
A mixed martial arts fighter died after his bout in west suburban Cicero Friday night.
Isaac Johnson, 31, collapsed toward the end of his fight at the Matador Fighter Challenge hosted at Cicero Stadium, 1909 S. Laramie Ave., according to town officials, the Cook County Medical Examiner’s Office and a fight promoter.
