- Name
- Chang Min Yoon
- Nationality
South Korea- Weight Class
- Featherweight
- Nickname
- The Big Heart
- Fighting Out Of
- SE
- Height
- 5'7" (170cm)
- Reach
- 70.0"
- Weight
- 145.5 lbs
- Affiliated Gym
- Havas MMA
- Birthday
- May 9, 1994
- Age
- 32
Overview
Chang Min Yoon, known by the nickname “The Big Heart,” is a South Korean featherweight mixed martial artist and one of the most respected veterans in the modern Korean MMA scene. With a professional record of 8–3–1, he has competed in ONE Championship, Road to UFC, ZFN, and various Korean regional promotions, establishing himself as a durable, technical, and well‑rounded competitor. Representing HAVAS Seoul, Yoon is known for his composure, clean striking, and ability to adapt to high‑level opponents. His career includes victories over elite Asian fighters such as Keanu Subba, Kirill Horobets, and Jiawen Ma, as well as competitive bouts against top contenders like Ryogo Takahashi, Kai Tang, and Sebastian Szalay. At 32 years old, he remains one of Korea’s most experienced and battle‑tested featherweights.
Fighter Record
Tapology: https://www.tapology.com/fightcenter/fighters/85027-chang-min-yoon
Early Life and Background
Born in South Korea in 1994, Chang Min Yoon entered MMA later than many of today’s young prospects, but his rapid development and technical maturity allowed him to rise quickly through the Korean regional scene. Publicly available sources do not document his early athletic background, but his competitive timeline shows that he entered professional MMA in 2017, immediately facing experienced opponents. His early fights revealed a fighter with strong fundamentals, disciplined pacing, and a calm, analytical approach to combat. Training at HAVAS Seoul, he developed a well‑rounded skill set built on clean striking, strong grappling transitions, and high fight IQ.
Fighting Style and Strengths

Striking
Chang Min Yoon’s striking is built on precision, timing, and composure. He does not rely on wild exchanges; instead, he uses clean straight punches, sharp counters, and disciplined footwork to control range. His TKO win over Kirill Horobets showcased his ability to maintain pressure and capitalize on openings with accuracy. His striking is efficient rather than explosive, allowing him to maintain pace across three rounds while minimizing unnecessary risks.
Grappling
Grappling is a major component of Chang Min Yoon’s game. With three submission victories, including rear‑naked chokes and arm‑triangle finishes, he has demonstrated strong positional awareness and opportunistic submission instincts. His ability to transition smoothly between striking and grappling makes him difficult to predict. Even in losses, such as his bout against Kai Tang, he showed strong defensive grappling and the ability to survive extended ground exchanges against elite competition.
Attributes
- Composure: Rarely breaks structure, even under pressure
- Fight IQ: Makes calculated adjustments mid‑fight
- Cardio: Maintains steady output across three rounds
- Durability: Has faced elite opponents without being overwhelmed
- Versatility: Capable of winning by KO, submission, or decision
Intangibles
Chang Min Yoon’s nickname, “The Big Heart,” reflects his resilience and competitive spirit. He has repeatedly taken difficult matchups, including short‑notice fights and bouts against top international talent. His ability to stay composed in adversity and rebound from setbacks demonstrates strong mental toughness.
Professional Career

Yoon debuted professionally in 2017 and quickly built momentum with wins in the Korean regional scene. His breakout came in ONE Championship, where he defeated Keanu Subba and Jiawen Ma, showcasing his ability to compete at the highest level in Asia. His submission win over Subba remains one of the most impressive performances of his career.
He later entered Road to UFC, facing elite featherweights such as Ryogo Takahashi and Kai Tang, gaining valuable experience despite competitive losses. In 2024–2025, he continued competing internationally, including bouts in ZFN and ONE Friday Fights, where he faced Sebastian Szalay in a high‑paced striking battle.
Throughout his career, Yoon has demonstrated consistent improvement, evolving from a regional prospect into a seasoned, well‑rounded veteran capable of competing with top Asian featherweights.
Key Career Highlights

- Submission win over Keanu Subba in ONE Championship
- TKO win over Kirill Horobets
- Victory over Jiawen Ma
- Competed in Road to UFC
- Veteran of ONE Championship and ZFN
Personality and Public Image
Chang Min Yoon is known for professionalism, humility, and a calm demeanor. He maintains a low public profile, allowing his performances to define his reputation. Fans respect him for his technical style and willingness to face elite opponents.
Legacy and Trajectory
Chang Min Yoon stands as one of Korea’s most experienced featherweights. His combination of technical skill, composure, and international experience positions him as a respected veteran with the ability to compete at a high level for years to come.
Summary
Chang Min “The Big Heart” Yoon is a seasoned South Korean featherweight known for technical striking, strong grappling, and a decade of competition across ONE Championship, Road to UFC, and the Asian MMA circuit.
