HAMBURG — Yuriorkis Gamboa of Cuba has retained his WBA featherweight title with an unanimous decision over Jonathan Victor Barros of Argentina.

Gamboa is undefeated in 18 fights, but had to go to the distance for the first time in handing Barros his first defeat in 30 bouts on Sunday in Hamburg.

The 28-year-old Gamboa won comfortably on all three score cards — 118-109, 118-109 and 116-111.