When Vitali Klitschko stepped away from boxing last December, it ended more than a decade-long reign at the top of the heavyweight division for him and his younger brother Wladimir. The younger Klitschko brother remains the world heavyweight champion, but the time that he and his older brother spent as de facto co-champions remains a unique era in the sport's history.
Even at 40, Juan Manuel Marquez is still looking to add to the fabulous legacy established with his younger brother Rafael over the past two decades.
Brothers grow up fighting and playing together, so it shouldn't be unusual that they sometimes follow each other into professional boxing.
With Jermell Charlo of the highly touted Charlo twins returning to action this weekend, I present this look at the top 10 boxing brothers of all time.