Jay Hieron, IFL and UST veteran, #2 in the world in the International Fight League welterweight division and a part of Randy Couture Xtreme Couture MMA in Las Vegas and a proud client of Dr. Jack Singer.

By Dr. Jack Singer

Jay Hieron, IFL and UST veteran, #2 in the world in the International Fight League welterweight division and a part of Randy Couture Xtreme Couture MMA in Las Vegas and a proud client of Dr. Jack Singer.

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