3244985 11/28/2017 Boxer Mike Tyson at the Synergy Global Forum. Kirill Kallinikov/Sputnik

BEVERLY HILLS, CA - JULY 25: Mike Tyson speaks onstage during the "Mike Tyson: Undisputed Truthts" panel discussion at the HBO portion of the 2013 Summer Television Critics Association tour - Day 2 at the Beverly Hilton Hotel on July 25, 2013 in Beverly Hills, California. (Photo by Frederick M. Brown/Getty Images)