Watch the journey unfold as Callen steps up on just 2 hours' notice, replacing Mateusz Szczecinski after he was forced out with food poisoning. Rewatch the whole event back on Flograppling - https://flosports.link/3NDB7vW #polarisgrappling #bjj Consider supporting Polaris by becoming a Channel Member: https://www.youtube.com/@polarisbjj/membership