JooSang Yoo’s Counter Left Made His UFC Debut Last Just
JooSang Yoo knocked out Jeka Saragih twenty-eight seconds into his UFC debut on June 7, 2025. The featherweight contest at Prudential Center in Newark, New Jersey, ended when Yoo connected with a short counter left hook during the opening exchange.
Saragih’s forward attack created the opening
Saragih advanced with a lunging right hand, and Yoo answered with the compact counter that ended the contest. The knockout arrived before either fighter had time to establish a prolonged tactical pattern.
The official result recorded the left hook as the finishing strike. Yoo’s first UFC appearance therefore became a brief demonstration of timing and counterpunching rather than a test of his ability across multiple rounds.
The newcomer had an established training base
Yoo had been competing professionally since 2021 and trained with Korean Zombie MMA. His official record included both knockout and submission victories before and after his arrival in the UFC.
His opponent brought previous promotional experience. Saragih had knocked out Lucas Alexander in November 2023, then lost to Westin Wilson through a first-round triangle armbar in June 2024.
Later appearances produced different challenges
Yoo returned against Daniel Santos in October 2025 and was stopped with strikes early in the second round. He later lost a split decision to Michael Aswell Jr in September 2026.
Those subsequent results did not change the emphatic nature of the debut. Against Saragih, Yoo needed a single well-timed counter to produce a winning introduction, completing the contest inside the first half-minute.
Sources
- UFC: lunging right hand and counter-left knockout
- UFC: career start, training team and later results
- UFC: Alexander victory and Wilson defeat
- UFC: official left-hook finish, time and event details
