High school volleyball: Southern California regional playoff pairings
OPEN DIVISIONQuarterfinals, Wednesday, 6 p.m.No. 8 Los Alamitos at No. 1 Mater DeiNo. 5 Torrey Pines at No. 4 Huntington BeachNo. 6 Marymount at No. 3 San Diego CathedralNo. 7 Sierra Canyon…