Top-seeded David Ferrer withdrew from his Mexican Open quarterfinal against South Africa*s Kevin Anderson in the second set Thursday with a left leg strain. Third-ranked Ferrer was leading 6-4, 2-2 when he suffered an inner thigh strain in his left leg. Anderson will next play Ukraine's Alexandr Dolgopolov, who defeated Ivo Karlovic of Croatia, 6-4, 7-6 (4). More...