Tyson returns to the ring at the age of 58, nearly twenty years after his last professional fight when he retired on his stool against Kevin McBride. Holyfield, who famously beat Tyson twice when they battled it out for the WBA heavyweight title back in 1996 and 1997, also made a comeback at age 58.

Mike Tyson employs a Brazilian trainer renowned for his work with mixed martial arts fighters and a trainer who worked with the famed Cus D'Amato.

Mike Tyson finds himself in territory he probably never expected: an underdog in a boxing match against a social media star. However, he says he's "fine with" that.