JooSang Yoo
South KoreaJooSang Yoo, “Zombie Jr.”, is a Featherweight from South Korea with an official record of 9-1. The 9 wins came 4 by knockout, 1 by submission and 4 by decision. The most recent bout on file is a second-round knockout loss to Daniel Santos at UFC 320: Ankalaev vs. Pereira 2 on 4 October 2025.
| Date | Opponent | Result | Method | Round | Event |
|---|---|---|---|---|---|
| Sep 19, 2026 | Michael Aswell | LOSS | DECDecision | R3 · 5:00 | UFC 331: Van vs. Pantoja 2 |
| Oct 4, 2025 | Daniel Santos | LOSS | KOPunch | R2 · 0:21 | UFC 320: Ankalaev vs. Pereira 2 |
| Jun 7, 2025 | Jeka Saragih | WIN | KOPunch | R1 · 0:28 | UFC 316: Dvalishvili vs. O'Malley 2 |
| Dec 14, 2024 | Masuto Kawana | WIN | KOTKO (Punches) | R1 · 1:15 | ZFN 2 |
| Jun 29, 2024 | Reinaldo Ekson | WIN | DECDecision - Unanimous | R3 · 5:00 | ZFN 1 |
| Aug 19, 2023 | Takuya KuramotoTitle | WIN | KOTKO (Punches) | R1 | HEAT 52 x AFC 27 |
| Dec 30, 2022 | Shunichi Shimizu | WIN | DECDecision - Unanimous | R3 | AFC 22: Angel's Fighting Championship |
| Sep 30, 2022 | Gustavo Wurlitzer | WIN | DECDecision - Unanimous | R2 · 5:00 | AFC 20: Angel's Fighting Championship |
| Apr 30, 2022 | Doo Seok Oh | WIN | DECDecision - Unanimous | R3 · 5:00 | Brave CF 58 |
| Oct 15, 2021 | Jun Hee Jung | WIN | SUBSubmission (Rear Naked Choke) | R2 | AFC 17: Angel's Fighting Championship |
| May 31, 2021 | Baek Ho Jang | WIN | KOKO/TKO | R1 | AFC 16: Angel's Fighting Championship |
Wins, losses and draws are JooSang Yoo’s official record. Everything else is counted from the 11 bouts we hold a full result for — method, round and time. Per-fight striking and grappling statistics are not published in our data source, so they are not shown.
JooSang Yoo’s record, in numbers
JooSang Yoo’s record is 9-1, and Cage Brothers holds a full result for all 10 bouts in it. Every figure below is counted from them.
The 9 wins break down as 4 by knockout, 1 by submission and 4 by decision — 5 of 9 inside the distance, a finish rate of 56%. Across all 10 bouts with a recorded finishing round, the average bout lasted 6 minutes 12 seconds.
JooSang Yoo has been stopped once in the 10 bouts on file, by knockout — 10% of them.
Of the 10 bouts Cage Brothers holds a result for, 1 was for a title and 1 was the main event of the card. Three of them have come since September 2024.
Set against the 554 Featherweight fighters Cage Brothers holds eight or more bouts for, JooSang Yoo has a finish rate above 34% of them, a record of avoiding stoppage above 63% of them and a two-year bout count above 82% of them. The comparison is made inside the division rather than across the whole roster, because how often a division finishes depends heavily on what it weighs.
JooSang Yoo is listed at 5ft 7in with a reach of 71in, fights orthodox and is 32, born 20 January 1994.
These figures are recomputed from JooSang Yoo’s bout history each time results are synced, so they follow the record rather than a fixed snapshot.