A new photo of Ken Shamrock in the gym has fans questioning the legitimacy of his physique.
At age 51, Shamrock is preparing for his MMA return bout on June 19th, as he fights street fighting legend Kimbo Slice in the main event of Bellator 138 in St. Louis, Missouri.
Check out the photo of Shamrock below.
Tonight's training was great. Ready for this fight. pic.twitter.com/as0qoHuQ7S
— KEN SHAMROCK (@ShamrockKen) June 9, 2015