This Polish professional boxer who lost to Puerto Rican boxer Joe Smith Jr. in 2016 in a knockout victory held the IBO light heavyweight title until 2013.
 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. 
Andrzej Fonfara (born 4 November 1987) is a Polish professional boxer who held the IBO light heavyweight title from 2012 to 2013. 
