UC San Diego goalkeeper Keara Fitzgerald made four saves to register her second clean sheet of the season, but the Tritons were unable to break through on the offensive end as UC San Diego and host UC Riverside played to a scoreless draw at UCR Soccer Stadium Thursday night. The Tritons (1-6-3) have now played to a draw in back-to-back matches. The Highlanders (2-2-6) tied for the fifth consecutive match.