SEOUL, SOUTH KOREA - OCTOBER 11: Kim Dong-Hyun aka Dong Hyun Kim teaches during the UFC Reebok FitFest 2015 - MMA (Mixed Martial Arts) Class on October 11, 2015 in Seoul, South Korea. (Photo by Han Myung-Gu / Zuffa LLC/Zuffa LLC via Getty Images)
SEOUL, SOUTH KOREA - OCTOBER 11: Kim Dong-Hyun aka Dong Hyun Kim teaches during the UFC Reebok FitFest 2015 - MMA (Mixed Martial Arts) Class on October 11, 2015 in Seoul, South Korea. (Photo by Han Myung-Gu / Zuffa LLC/Zuffa LLC via Getty Images)