India, March 15 -- In the span of three days, Mexico has lost two players for the World Cup. Midfielder Marcel Ruiz tore the anterior cruciate ligament in his right knee, his club Toluca announced on Friday. The 25-year-old Ruiz injured the joint on Wednesday in a CONCACAF Champions Cup match against San Diego of the MLS. Toluca said in a statement that in addition to the ligament rupture, Ruiz also suffered a meniscus tear in the same joint and will undergo surgery. "Everyone at this club regrets what happened and we stand in solidarity with him, wishing him a speedy recovery," the team said. Mexico plays the World Cup opener on June 11 against South Africa. Ruiz was key in helping Toluca win their second consecutive championship last De...