What was the nationality of the WBA titleholder that Derrick Gainer lost to in a unanimous decision since his defeat to Juan Manuel Márquez?
Derrick Gainer Derrick "Smoke" Gainer (born August 22, 1972, in Pensacola, Florida) is a US born boxer who started out in the featherweight division and now fights in the lightweight division. In 2000, he defeated Freddie Norwood to win the World Boxing Association (WBA) featherweight title and after four defenses lost to Juan Manuel Márquez, who became super champion, via technical decision in 2003. Since his defeat to Marquez, Gainer lost in a challenge to WBA titleholder Chris John via unanimous decision. Gainer is also a colleague and good friend of Roy Jones Jr., and often fought on his under-cards.
Joe Smith Jr. Joe Smith Jr. (born September 20, 1989) is an American professional boxer who held the regional WBC International light heavyweight title from 2016 to 2017. He rose to prominence in 2016 by scoring an upset knockout victory over Andrzej Fonfara, and later becoming the first boxer to score a stoppage victory over former world champion Bernard Hopkins, who retired after their fight.