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Chan Sung Jung

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Other names
The Korean Zombie


66 kg

South Korean

Chan Jung

Wins by knockout

73.0 in (185 cm)

Mixed martial artist


Kickboxing, Grappling

1.7 m

Chan Sung Jung Chan Sung Jung Official UFC Fighter Profile

March 17, 1987 (age 36) Pohang, South Korea (

Featherweight, Lightweight

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Jung Chan-sung (Korean: 정찬성 born March 17, 1987, anglicized as Chan Sung Jung) is a South Korean mixed martial artist and kickboxer currently competing in the UFC's male Featherweight division. A professional competitor since 2007, Jung has also formerly competed for the WEC, Pancrase, World Victory Road, and DEEP. His nickname, "(The) Korean Zombie" comes from his ability to continue to move forward and fight aggressively, even after taking heavy blows. Jung was serving in the South Korean army until October 2016 and thus was not ranked by most MMA media outlets, however he was ranked as #5 in official UFC Featherweight rankings beforehand.


Chan Sung Jung Chan Sung Jung has sights set on scrap with Jose Aldo

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Born in Pohang, South Korea in 1987, Jung moved to Namyangju, a satellite city of Seoul when he was in his mid-teens. Due to his slight stature and his rural origins, he was bullied constantly by his classmates and got into many fights as a result. When his aunt could no longer stand to see Jung's predicament, she took him to a nearby Hapkido gym when he was around 15 years old. Jung trained in kickboxing until his junior year of high school. Later he also began training in judo and Brazilian jiu jitsu.

Chan Sung Jung Chan Sung Jung The Korean Zombie Has a New Fan Moar Powah

At the age of 18, Jung joined South Korean Navy and started training Taekwondo. In June 2007, he won a Sambo tournament arranged by the Korean Sambo Association, and in December of the same year, he won the Lightweight division of the Pancrase Korea Neo-Blood Tournament after defeating fellow South Koreans Yoo In Seok and Lee Hyung Geol. At age of 20, Jung began mixed martial arts. In May 2008, he participated in and won KOREA-FC's 8-man MMA tournament in the 65 kg division. Jung was also a participant in a show called Street Fighter in 2007 which aired on South Korean cable television. He participated in the 70 kg tournament and won. The tournament was stand-up only (similar to K-1 but not in a ring). At the age of 20, Jung was introduced to mixed martial arts, and made his professional debut soon after.

Early career

Chan Sung Jung Chan Sung Jung and The Year of The Zombie Ultimate

Jung made his professional debut in June 2007 and in December the same year he won a Lightweight Tournament arranged by Pancrase Korea. In 2008 he won both his fights for Japanese promotion DEEP. He then entered the 2009 Sengoku Featherweight Grand Prix where he won his first-round fight but was eliminated from the tournament by the eventual winner Masanori Kanehara.

Chan Sung Jung Chan Sung Jung

On August 16, 2008, he defeated Michihiro Omigawa at DEEP: Gladiator via unanimous decision. His next fight was against Fanjin Son at DEEP: 39 Impact where he won via knockout in 17 seconds.


Jung then entered the 2009 Sengoku Featherweight Grand-Prix and was matched up with Shintaro Ishiwatari in his first-round fight at Sengoku 7. After dropping Ishiwatari once in stand-up striking, Jung hit Ishiwatari with a right hand forcing him to give up his back. From there Jung sunk in a rear-naked choke submission forcing Ishiwatari to submit at 4:29 of the first round.

In his second-round fight at Sengoku 8 on May 2, 2009, he lost via unanimous decision to Masanori Kanehara officially eliminating him from the tournament. The decision was considered questionable by the English commentators and many fans (especially given Sengoku's history of biased decisions against Korean fighters), who felt that Jung had done enough to deserve the decision. On June 7, 2009, it was announced Jung would face American Matt Jaggers at Sengoku 9 in a reserve bout for the tournament with the winner stepping in as a replacement should some of the remaining fighters be unable to continue. Jung ended up winning the fight by triangle choke submission at 1:25 of the second round, but was not required to step in as a replacement.

World Extreme Cagefighting

Chan Sung Jung then signed with World Extreme Cagefighting. He made his American and WEC debut against Leonard Garcia (who replaced injured opponent Cub Swanson) on April 24, 2010 at WEC 48 losing by an extremely controversial split decision. Many MMA publications and fans (including many in the Sacramento home crowd) opposed the decision, which has led again to questions about the accuracy of the fight judging. However, the bout was declared the Fight of the Night honors, this was later awarded for the Fight of the Year by the Wrestling Observer Newsletter.

Jung next faced George Roop on September 30, 2010, at WEC 51. He lost the fight via knockout due to a head kick in the second round.

Ultimate Fighting Championship

Jung was expected to face Rani Yahya on January 22, 2011, at UFC Fight Night 23. However, Jung was forced from the card with an injury.

A rematch with Garcia was scheduled for March 26, 2011, at UFC Fight Night 24, after Jung stepped in to replace an injured Nam Phan. Jung was able to avenge the original loss after submitting Garcia with a twister in the final second of the second round. This was the first time in the history of the UFC that a twister submission ended a bout and the win earned Jung his first Submission of the Night honors. This was later awarded for the Submission of the Year by the World MMA Awards. In his post-fight interview, Jung stated he learned the move by watching Eddie Bravo videos on YouTube.

Jung faced former title challenger Mark Hominick on December 10, 2011, at UFC 140. Jung won the bout via KO at seven seconds of the first round, which tied a UFC record for fastest knockout. Jung's victory over Mark Hominick earned him Knockout of the Night honors. The victory also earned Jung much praise in his native South Korea, appearing on news broadcasts on the country's major national television channels (such as KBS).

Jung faced Dustin Poirier on May 15, 2012, at UFC on Fuel TV: Korean Zombie vs. Poirier. Jung defeated Poirier via submission in the fourth round. The performance earned Jung Submission of the Night and both participants Fight of the Night honors. The bout was honored as Fight of the Year and Submission of the Year by several publications at the conclusion of 2012.

Jung was expected to face Ricardo Lamas on July 6, 2013, at UFC 162. However, on June 14, it was announced that Jung had been pulled from the Lamas bout and would replace an injured Anthony Pettis to face José Aldo for the Featherweight Championship on August 3, 2013, at UFC 163. Aldo defeated Jung via fourth-round TKO, finishing Jung with a flurry of strikes after Jung suffered a dislocated shoulder while throwing an overhand right.

Jung was expected to face Akira Corassani on October 4, 2014, at UFC Fight Night 53. However, Jung pulled out of the bout citing another injury and was replaced by Max Holloway.

Jung announced in mid-October 2014 his intention to begin his stint for mandatory military service in his home country of South Korea. While Jung did not comment about the future upon his completion, his manager indicated that he would return to mixed martial arts at the end of the two years.

In mid 2016, Jung attended Rener Gracie's inaugural Korean Super Seminar in Seoul, where Jung lost the Brazilian jiu-jitsu/submission sparring session.

Jung faced Dennis Bermudez on February 4, 2017, at UFC Fight Night 104. He won the fight by knockout in the first round. The win also won Jung his first Performance of the Night bonus award.

Jung was expected to face Ricardo Lamas on July 29, 2017, at UFC 214. However, Jung pulled out of the fight in early June citing a knee injury. He was replaced by Jason Knight.

Mixed martial arts

  • Ultimate Fighting Championship
  • Submission of the Night (Two times) vs. Leonard Garcia and Dustin Poirier
  • Knockout of the Night (One time) vs. Mark Hominick
  • Fight of the Night (One time) vs. Dustin Poirier
  • Performance of the Night (One time) vs. Dennis Bermudez
  • 2012 Submission of the Year vs. Dustin Poirier
  • First and only twister finish in UFC history vs. Leonard Garcia
  • Tied fastest knockout (Todd Duffee and Ryan Jimmo) in UFC history (0:07 seconds)
  • World Extreme Cagefighting
  • Fight of the Night (One time) vs. Leonard Garcia
  • KoreaFC
  • Korea FC 65 kg Tournament Winner
  • Pancrase
  • Pancrase Korea Neo-Blood Lightweight Tournament Winner
  • Wrestling Observer Newsletter
  • 2010 Fight of the Year vs. Leonard Garcia on April 24
  • 2012 Fight of the Year vs. Dustin Poirier on May 15
  • World MMA Awards
  • 2011 Submission of the Year vs. Leonard Garcia on March 26
  • 2012 Fight of the Year vs. Dustin Poirier on May 15
  • ESPN MMA Awards
  • Fight of the Year (2012) vs. Dustin Poirier on May 15
  • Bleacher Report
  • Fight of the Year (2012) vs. Dustin Poirier on May 15
  • Sherdog
  • 2012 Fight of the Year vs. Dustin Poirier on May 15
  • 2011 All-Violence First Team
  • Personal life

    Jung said that he has two daughters.


    Chan Sung Jung Wikipedia