WWE Hall of Famer Hulk Hogan secretly battled leukemia prior to his death, according to Pinellas County Forensic Science Center documents obtained by Page Six on Thursday (July 31).

Hogan, 71, whose real name was Terry Bollea, reportedly had a history of atrial fibrillation (AFib), which is categorized in patients with an irregular and often rapid heart rate, as well as chronic lymphocytic leukemia (CLL), a cancer that affects white blood cells, though the diagnosis that wasn't previously revealed to the public. The legendary wrestler's cause of death was determined to be acute myocardial infarction, which occurs when blood flow to the heart is suddenly blocked, resulting in tissue damage, the documents confirmed.

Hogan's death was ruled as natural and the Pinellas County Forensic Center confirmed that a request was made to have him cremated.

“I am not aware when Mr. Bollea will be cremated, only that we received a request for cremation approval," a spokesperson told Page Six.

WWE confirmed Hulk Hogan's death in tribute posts shared on its social media account following TMZ Sports' initial report las Thursday (July 24).