Paul Magno Follow @Boxing_Tribune Per Mexican government officials, Julio Cesar Chavez Jr. was used by leaders of the Cartel de Sinaloa to punish members of the same cartel: In one case tied one up, hanging him for Chavez to hit like aheavy bag: Usaban a Chavez Jr: para castigar a golpes a miembros del cartel: FGR From mimorelia.com they