XYIENCE Inks Endorsement Deal with Legendary Mixed Martial Arts Athlete Chuck “The Iceman” Liddell (PRESS RELEASE) -- LAS VEGAS (March 7, 2013) - XYIENCE Xenergy, the official energy drink of the UFC, ® has signed a one-year endorsement contract with historic mixed martial arts (MMA) athlete...

XYIENCE Renews Endorsement Deals With Athlete Ambassadors. (PRESS RELEASE) -- LAS VEGAS - XYIENCE Xenergy, the official energy drink of the UFC ®, announces that it has renewed its contracts with its professional athlete brand ambassadors including UFC fighters Dan Hardy,...