Daniel Engelbrecht’s overzealousness almost cost him his life. In 2013, while playing a professional football match in Germany’s third division, he collapsed with a cardiac arrest and had to be resuscitated. The cause was myocarditis – inflammation of the heart muscle. A neglected case of the flu may have led to the inflammation, doctors surmised at the time. “I wanted to make it to the first division and gave it my all,” Engelbrecht was quoted as saying in an interview published earlier this year in the Cologne-based German Sport University’s (DSHS) newspaper. He says he trained with a cold a…