Hulk Hogan's family has requested an investigation into whether doctors who treated the late wrestling icon committed medical malpractice, court documents show.

Hogan's wife, Sky Daily, and his son, Nicholas Bollea, filed a petition in Florida's Pinellas County asking for a 90-day extension of the statute of limitations in which a medical malpractice lawsuit could be filed.

According to the document, which was obtained by NBC affiliate WFLA , the investigation involves Morton Plant Hospital in Clearwater, Florida, as well as Tampa General Hospital.

Hogan, whose given name is Terry Bollea, died July 24 at 71 years old. A week later, authorities announced his cause of death as a heart attack and said his manner of death was "natural." Hulk Hogan died at his home in Clearwater, Flor

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