Wrestling legend Hulk Hogan 's life ended in a knockout by cardiac arrest as the gregarious grappler died at age 71 on July 24 – despite the valiant efforts of first responders in Florida , RadarOnline.com can reveal.

Rescue crews raced to Hogan's $11.5million estate in Clearwater to respond to a 911 call and spent over 30 minutes administering CPR to the pop culture icon – but he couldn't be saved and was declared dead at a local hospital, insiders claimed.

Major Nate Burnside of the Clearwater Police Department said authorities have ruled out foul play and are conducting a standard investigation into the death, according to the New York Post . Article continues below advertisement

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