Chan Sung Jung, “The Korean Zombie,” announced his retirement following Saturday’s knockout loss to Max Holloway at UFC Singapore. Jung fought like he always does, straight forward and throwing heavy leather.  During a wild exchange early in the third round, Holloway finished Jung with a well-placed right hand that sent Jung to the canvas face-first. Holloway took to Instagram to pay tribute and honor Jung for his legendary career.   “What an honor to share the octagon with you @koreanzombiemma .