Mike Tyson showcased terrifying power and scary speed while training in a pair of tighty-whities as he prepares for his much-hyped comeback

• Mike Tyson showcased his terrifying power and scary speed in his latest training video ahead of a possible much anticipated return to the ring.
• The 53-year-old is training to take part take part in four-round exhibition fights for charity with the help of legendary MMA trainer Rafael Cordeiro.
• In the video, posted to Tyson’s Instagram, the former world heavyweight champ can be seen wearing a pair of what look like tight white underpants.
• Evander Holyfield, 57, had been proposed as a potential opponent for Tyson, however the bout has yet to be confirmed.
• Watch Tyson’s most recent training clip below.
• Visit Insider’s homepage for more stories.

http://instagr.am/p/CBv6LTDlSm1