The asterisk, from Late Latin asteriscus, from Ancient Greek ἀστερίσκος, asteriskos, "little star", is a typographical symbol. It is so called because it resembles a conventional image of a heraldic star. From Wikipedia
Rogan’s podcast remark revisits Khabib’s disputed 2012 decision against Gleison Tibau without altering the UFC great’s 29-0 record.