On August 5, 2004, Urango challenged Mike Arnaoutis for the WBO–NABO light welterweight title, but their fight ended in a majority draw.
In his next fight, on December 16, 2004, Urango stopped Ubaldo Hernandez to win the vacant WBC Latino light welterweight title.
Urango won his first world championship—the vacant IBF light welterweight title—on June 20, 2006, by scoring a unanimous decision (UD) over Naoufel Ben Rabah,[1] but would lose by the same result in his first defense, on January 20, 2007, against Ricky Hatton (who had vacated the title in March 2006).
[2] 2009 was a busy year for Urango: on January 30, 2009, he regained the IBF title (which was again vacant) by defeating Herman Ngoudjo via UD.
[3] On May 30, Urango briefly moved up to welterweight, but lost an uncompetitive UD to WBC champion Andre Berto.