On August 24, 2023, Bray Wyatt died of a heart attack in his sleep at the age of 36. He was found by his fiancée after an alarm on his defibrillator went off.

After suffering heart problems caused by the COVID-19 virus, a doctor recommended Wyatt wear a portable defibrillator, which he wasn't wearing at the time of his death.

WWE Hall of Famer Terry Funk, a hardcore wrestling legend, died on August 23 at the age of 79. He was reportedly wheelchair-bound and "badly crippled" before his death.

Jay Briscoe, a Ring of Honor legend, died on January 17, aged 38, after a truck collided with the truck he was driving. Briscoe was reportedly not wearing a seatbelt.

On June 7, The Iron Sheik, also known as Hossein Khosrow Ali Vaziri, died peacefully, according to a message posted on his X (formerly known as Twitter) account.

"Superstar" Billy Graham, passed away at the age of 79 on May 17. He had undergone a liver transplant after being diagnosed with liver disease and cirrhosis.

Well over a year before his passing, he suffered from several health issues, including heart failure. He also suffered from the COVID-19 virus, an ear infection, and renal failure.