On June 25, Roberto Ortiz (20-0-1, 18 KOs), fighting in Cozumel, Quintana Roo, Mexico on a card headlined by WBC lightweight champion Humberto Soto's defense against Motoki Sasaki, won the vacant WBC Silver super lightweight title by knocking out Antonio Lozada, Jr. (23-1, 20 KOs) in the fourth round.
http://www.worldboxingnews.net/2011/06/ ... clash.html