DE LA SALLE-LIPA completed a sweet sweep of its girls’ Pool A weekend matches on Sunday with a 25-13, 25-11 victory over Junction Youth Organization of Los Baños (Laguna) in the Philippine National Volleyball Federation (PNVF) Under-18 Championships at the Rizal Memorial Coliseum. Sixteen-year-old Raizah Nicole Mamailao took care of…