Bang survives war with Kuntz in decision-filled prelims

YANG vs. COLLIERBack in the Octagon for the first time since May of 2012, Seoul middleweight Dongi Yang got his hometown fans up and roaring at the Olympic Gymnastics Arena Saturday, finishing off the preliminary portion of the UFC’s first event in South Korea with a second-round knockout of Jake Collier.Yang, now 13-3, went 1-3 in his first UFC stint, but he got his second run off to a great start at home.There was solid back-and-forth action throughout the first round, but Collier held t