Get unlimited digital access to $0.99 for 4 weeks.

Mike Tyson, Brian Nielsen

Former heavyweight World Champion Mike Tyson (L) from the U.S. lands a punch on IBC heavyweight champion Brian Nielsen from Denmark during a non-title heavyweight fight at Copenhagen's Parken stadium October 13, 2001. Tyson beat Danish challenger Nielsen when the referee stopped the bout... CHRISTIAN CHARISIUS / REUTERS