He was a world champion in two weight classes, having held the WBA (Regular) super lightweight title from 2011 to 2012, and the WBA welterweight title from 2013 to 2014.
A versatile brawler in the ring, Maidana was well known for his formidable punching power, and was never stopped in any of his five losses.
He famously out brawled and withstood punishing blows from Floyd Mayweather, Jr.
during their first bout, but ultimately losing to Mayweather via majority decision.