Watch Boxing live Sebastian Zbik vs Julio Cesar Chavez Jr Boxing live (WBC middleweight) 4, June 2011 here. Julio Cesar Chavez’s son Julio Cesar Chavez Jr., has a show down against Sebastian Zbik. Chavez Jr., is ranked 1 in the Middleweight and the Silver Middleweight divisions. He has been consistently improving and he attributes his performance enhancement to his new coach Freddie Roach. Zbik and Chavez will take on each other at Staples Center, LA on June 04, 2011.