In this episode of Relentless Momentum Tony Doherty sits down with combat sports legend Sam Greco. From a tough immigrant upbringing in Brunswick to becoming a three-time K-1 World Champion, Sam’s journey is one of grit, discipline, and relentless drive.He shares raw stories about growing up in a no-nonsense era, walking away from his first love of soccer, and finding his true calling in martial arts. Sam opens up about the brutal lessons of fighting at the highest level, the mental edge it takes to survive in the ring, and the life-changing opportunities that came from betting on himself.This conversation is more than just a fighter’s story — it’s about resilience, sacrifice, and the pursuit of greatness.