ROHNERT PARK, Calif-  Behind a stellar defensive performance and a first half goal from Ryan Hall, the seventh-ranked Sonoma State men's soccer team blanked top-ranked Cal State L.A. 1-0 on Sunday afternoon in front of 1,142 fans at Seawolf Field, the largest regular season crowd in school history.  The Seawolves improve to 11-1-2, 8-1-1 CCAA on the season while the Golden Eagles drop to 11-2-1, 9-2-1 CCAA.