SI’s MMA Notes, Quotes, and Anecdotes runs every Monday.
One errant knee forever changed Petr Yan’s career.
Two years ago, Yan had won 15 of his first 16 bouts. He was reigning bantamweight champion, and he defended the belt against Aljamain Sterling at UFC 259 in March 2021. Yan dominated, and he was on pace to win by unanimous decision when he made the gravest mistake of his career.
