John Cena, Ric Flair and more stars paid tribute to the late wrestling legend Hulk Hogan after his death at age 71 on July 24. Ric Flair spoke with PEOPLE.

Hulk Hogan's WCW heel turn remains one of the biggest moments in pro wrestling history, and according to many fans, was one of the moments that sparked the second pro wrestling boom. Naturally, when John Cena turned heel earlier this year,

According to a report by Pinellas County Forensic Science Center in Florida, Hogan died from acute myocardial infarction, which is more commonly known as a heart attack. The cardiac arrest was deemed to have been the result of natural causes. The New York Post was first to report Hogan’s cause of death.