He built himself into the Iron Man — heartless, calculated, and impossible to stop until he finally met his match. This is the complete story of Jermell Charlo's rise from the amateur ranks in Houston to becoming the first undisputed junior middleweight champion of the four-belt era, fighting alongside his twin brother Jermall every step of the way — and the record-breaking gamble against Canelo Alvarez that pushed him past his limits. From a shared pair of shoes growing up, to Golden Boy Promotions, to war after war with Tony Harrison, Brian Castaño, and Jeison Rosario — this is the complete rise of Jermell "Iron Man" Charlo. Subscribe for more untold boxing stories every week. #JermellCharlo #IronMan #CharloTwins #Boxing #UndisputedChampion #BoxingDocumentary #JermallCharlo #CaneloAlvarez #JuniorMiddleweight #BoxingHistory #FightStory #Undisputed #BrianCastano #TonyHarrison #PBC #BoxingLegends