Yaroslav Amosov has one loss against one opponent on his MMA record. For a list of Amosov's best fights, refer to "Best fights of Yaroslav Amosov".
On November 17, 2023 Yaroslav Amosov met Jason Jackson in a welterweight (Bellator World Championship) title defense fight. Amosov was 30 years old and with a record of 27-1 (19), and Jackson was 33 years old and with a record of 16-4 (7). Amosov lost the fight via 3rd-round KO and lost the title.
