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This story is unsubstantiated by US sources, much like Vladimir Putin's invincible judo record.
Sources:
https://www.youtube.com/watch?v=4GmUBHE2xYc
https://www.washingtonpost.com/news/morning-mix/wp/2017/07/18/is-vladimir-putin-a-judo-fraud/
https://www.voanews.com/a/was-secret-service-agent-who-saved-trump-a-russian-karate-champ-/7701680.html