William Smith College first-year defender Marissa Mastracco played a key role in the Herons' defensive unit in a 2-0-0 weekend in the NCAA tournament. In 40 minutes of action on Saturday, Mastracco helped the defensive line hold John Jay without a shot. Mastracco started and played all 90 minutes on Sunday against No. 17 Hamilton. The Herons defensive line limited the Continentals to just five shots on goal. Mastracco has played all 20 games this season, starting 19.