When Jan Blachowicz snubbed Israel Adesanya's dream of a UFC double-championship 2021, Adesanya was at the peak of his MMA career riding a 20-fight undefeated record.

Israel Adesanya put together a pro MMA record of 20-0 before suffering the first defeat of his career at UFC 259 where he went up to light heavyweight to challenge Jan Blachowicz.