Fighter

JooSang Yoo

"Zombie Jr."

9-1-0★ 1bonus South Korea

South KoreaLast 5

Amateur MMA 3-0

NEXT FIGHT

vs Michael Aswell Jr.

UFCCrypto.com UFC 331·Saturday, September 19, 2026

JooSang Yoo holds a professional MMA record of 9-1-0. Their full professional MMA career spans 10 bouts on record. JooSang Yoo has won 9 fights: 4 by KO/TKO, 1 by submission, 4 by decision. Of 1 career loss, 1 came by KO/TKO and 0 by submission. In the UFC, JooSang Yoo lands 6.36 significant strikes per minute with 58% accuracy and averages 0.00 takedowns per 15 minutes. Most recent fight: October 4, 2025. Tracked organizations: UFC.

Profile

Height: 5'7"170 cm
Weight: 145 lbs66 kg
Reach: 71"180 cm
Stance: Orthodox
DOB: 1994-01-21
Age: 32
Nationality: South Korea
Birthplace: South Korea

Career stats

UFC careerRecord: 9-1-0 · Source: UFCStats.com

Striking

Strikes landed6.36per min

58% accuracy

Strikes absorbed4.99per min

56% avoided

Grappling

Takedowns landed0.00per 15 min

0% success

Takedowns stuffed50%

Submission attempts0.0per 15 min

Bonus résumé

JooSang Yoo has won 1 UFC post-fight bonus. Estimated bonus earnings: $50,000.

★ POTN ×1

★ POTNvs Jeka Saragih · UFC 316: Dvalishvili vs O'Malley 2Jun 7, 2025

Estimates use each era's real amount: $50,000 from 2012, $100,000 from UFC 324, plus $25,000 finish incentives.

All-time bonus leaders →

Salary & career earnings

Disclosed purses, reported paydays and our model's estimate of what JooSang Yoo earns per fight.

See the money →

Upcoming

UFCCrypto.com UFC 331Sep 19, 2026
vs Michael Aswell Jr.Featherweight

Career history

LOSS
vs Daniel Santos
UFCUFC 320: Ankalaev vs Pereira 2· Oct 4, 2025· Catchweight· 9-0 vs 12-2
TKO
R2 · 0:21
WIN
vs Jeka Saragih
UFCUFC 316: Dvalishvili vs O'Malley 2· Jun 7, 2025· Featherweight· 8-0 vs 14-4
TKO
R1 · 0:28
POTN
WIN
vs Masuto Kawana
ZFN 2· Dec 14, 2024· Featherweight· 7-0 vs 10-4
TKO
R1 · 1:15
WIN
vs Reinaldo Ekson
ZFN 1· Jun 29, 2024· Featherweight· 6-0 vs 18-7
UD
WIN
vs Takuya Kuramoto
HEAT 52 x AFC 27· Aug 19, 2023· Featherweight· 5-0 vs 5-2
TKO
R1 · 0:32
WIN
vs Shunichi Shimizu
AFC 22· Dec 30, 2022· Featherweight· 4-0 vs 35-25-11
UD
WIN
vs Gustavo Wurlitzer
AFC 20· Sep 30, 2022· 3-0 vs 25-26
UD
WIN
vs Doo Seok Oh
BRAVE CF 58· Apr 30, 2022· Featherweight· 2-0 vs 2-6
UD
WIN
vs Jung Jun Hee
AFC 17· Oct 15, 2021· Featherweight· 1-0 vs 2-0
SUB
R2 · 3:44
WIN
vs Baek Ho Jang
AFC 16· May 31, 2021· Lightweight· 0-0 vs 1-0
TKO
R1 · 3:20

Career history data via Tapology.

UFCalendar Power Index rating

Current: 1698▼41
Peak: 1739Jun 7, 2025
Rated fights: 10

See the full Power Index →

Frequently asked questions

When does JooSang Yoo fight next?

JooSang Yoo fights Michael Aswell Jr. on Saturday, September 19, 2026 at Crypto.com UFC 331.

What is JooSang Yoo's record?

JooSang Yoo's professional MMA record is 9-1-0.

Who is JooSang Yoo fighting next?

JooSang Yoo's next opponent is Michael Aswell Jr. at Crypto.com UFC 331.

Who did JooSang Yoo fight last?

JooSang Yoo most recently fought Daniel Santos at UFC 320: Ankalaev vs Pereira 2 on Saturday, October 4, 2025, LOSS (TKO).

What weight class does JooSang Yoo fight in?

JooSang Yoo fights at Featherweight.

How many knockouts does JooSang Yoo have?

JooSang Yoo has 4 wins by KO/TKO and 1 win by submission.

How many UFC bonuses has JooSang Yoo won?

JooSang Yoo has won 1 UFC post-fight bonus: 1× Performance of the Night.

How tall is JooSang Yoo?

JooSang Yoo is 5'7" (170 cm) tall.

How much does JooSang Yoo weigh?

JooSang Yoo weighs 145 lbs (66 kg).

What is JooSang Yoo's reach?

JooSang Yoo has a reach of 71" (180 cm).

How old is JooSang Yoo?

JooSang Yoo is 32 years old (born Jan 21, 1994).

Where is JooSang Yoo from?

JooSang Yoo is from South Korea.

CAREER SUMMARY