William Smith College first-year defender Nell Dwyer was part of a defensive effort that helped the Herons to a 2-0-0 week in Liberty League play. On Friday against RPI, Dwyer and the Herons held RPI to a season-low five shots.The Engineers entered the weekend averaging 14 shots per game. In Saturday's 2-1 victory over Union, the Herons held Union to seven shots.