KO of the Week: Hyun-Gyu Lim vs. Marcelo Guimaraes

Hyun Gyu Lim made a splash in his UFC debut with this second-round knockout of Marcelo Guimaraes. Lim, who has won back-to-back fights by KO, takes Singapore by storm in his main event scrap with Tarec Saffiedine on Jan. 4.