Amateur MMA fighter, 21, dies from rare, life-threatening muscle condition caused by intense workouts

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An amateur MMA fighter from Australia died nearly two weeks after being hospitalized immediately following a fight after he unknowingly suffered from a rare and life-threatening muscle condition triggered by intense workouts, according to family. 

Jake Sendler, 21, tragically died on March 13, just 11 days after he was hospitalized with what would later be diagnosed as rhabdomyolysis. 

Jake Sendler, 21, died on March 13, just 11 days after he was hospitalized following a fight. (gofundme)

His mother, Sharone Sendler, told News.com.au that her son suffered from muscle soreness and discoloration in his urine in the lead-up to his amateur fight on March 2. He thought nothing of it as he was training for the upcoming bout and simply thought he was dehydrated.  

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"He sold 60 tickets to family and friends to come watch him," Sharone told the outlet. 

Sendler was medically cleared to compete in the three-round fight, according to the report. He lasted the full fight, but had to be helped out of the ring and eventually an ambulance was called to take him to a hospital. 

Sharone said her son underwent several surgeries, but the damage from the rare condition was far too great. 

"When we got into the ICU, the doctor said when they opened him up again (in another emergency surgery) there was just too much tissue that had died and there was so much damage, there was nothing more they could do," she said. 

Hex, the organizer of Sendler’s final fight, released a statement on social media saying his "dedication, talent, and spirit will be greatly missed." (gofundme)

"I said to him, ‘It’s OK,