“The Korean Zombie” admits it. Like so many other fighters, he still has the itch. The difference, however, between Chan Sung Jung and so many of the fighters who have U-turned on their decision to retire is the additional avenues he’s paved for himself to remain motivated in the space –without taking a punch. “Retirement hasn’t slowed me down at all. If anything, I’m busier now,” Jung told MMA Junkie through an interpreter. “I take care of my three kids, own a YouTube channel and a gym, coach more than 20 fighters, operate a beer pub called City Beer, and also began running a promotion called Z Fight Night (ZFN).