The UFC’s welterweight division just got even more interesting.

The organization has signed former Bellator MMA welterweight champion Yaroslav Amosov, who’ll make his debut on Dec. 13 at the UFC’s final event of 2025.

The 32-year-old from Ukraine is set to face UFC stalwart Neil Magny in a featured bout on the upcoming Fight Night card at the UFC Apex in Las Vegas, the organization officially announced Wednesday.

Amosov began his professional mixed martial arts career 27-0 before suffering his first loss in 2023 when he was knocked out by Jason Jackson and lost his title at Bellator 301. He has fought only three times since his 2021 title win and spent time in 2022 serving in Ukraine’s military.

He became Bellator’s 170-pound champion when he defeated Logan Storley by split decision in

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