Former heavyweight boxing champion Riddick Bowe of the United States throws a punch during a sparring in Bangkok, Thailand Saturday, May 18, 2013. Bowe, 45, is returning to the ring by fighting against Levgen Golovin of Russia for the Muay Thai, or Thai kickboxing, Super Heavyweight Championships in Pattaya, Thailand on June 14, 2013. (AP Photo/Sakchai Lalit)
Former heavyweight boxing champion Riddick Bowe of the United States throws a punch during a sparring in Bangkok, Thailand Saturday, May 18, 2013. Bowe, 45, is returning to the ring by fighting against Levgen Golovin of Russia for the Muay Thai, or Thai kickboxing, Super Heavyweight Championships in Pattaya, Thailand on June 14, 2013. (AP Photo/Sakchai Lalit)