Here are the 15 fighters who defined ONE Championship in 2025. NO 15 – MASAAKI NOIRIHis 2025 ended in disappointment, but it still featured one of the defining moments of the year. The atomweight Muay Thai champion defended her belt twice, finishing both challengers on short notice. At just 21, Ruotolo is firmly on a lightweight MMA title trajectory. NO 2 – JONATHAN DI BELLAAfter losing the strawweight kickboxing title to Prajanchai in June 2024, Di Bella quietly rebuilt – then reclaimed everything.

Source: Bangkok Post December 31, 2025 09:37 UTC