Chan Sung Jung, also known as “The Korean Zombie,” will undergo shoulder surgery, knocking him out for several months and off plans to feature him at the UFC’s debut in China.

MMA Fighting reported that Jung has elected to have the surgery, which doctor’s advised him to have before facing Dustin Poirier. Jung won that match, his third straight in the UFC, and positioned himself as a likely contender to UFC featherweight champion Jose Aldo.

The report added that UFC officials had approached Jung about competing in Macau, China on November 10, but the fighter decided to have surgery now instead of pushing it off again.

Over the past few weeks, Jung has tried to make his case for facing Aldo. Currently, Aldo is locked in a match with Erik Koch. That bout was expected to go down next weekend, but Aldo pulled out. Now, rumors have it being the main event of UFC 153 from Brazil later this year.

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