Yes! One notable example is how nostr:npub1lelkh3hhxw9hdwlcpk6q9t0xt9f7yze0y0nxazvzqjmre3p98x3sthkvyz  has proven this beyond doubt this year, with his exploits in the #muaythai arena, his production company 21c, and the #proofofhealth pod.

I took a lot from his recent documentary about preparing for his first fight, and from his most recent rip with nostr:npub1qqvt0m3nlvjnssmrn33w9yh7cuq2dx5nkz8wxax9hk5hrjdnj4jqz8cn3w:

https://fountain.fm/episode/ZCScK9WSKkLJacQC4szf