Washington Capitals' Mathieu Perreault (below, middle) did the damage with his stick Tuesday night as his hat trick helped beat the Stanley Cup-champion Boston Bruins 5-3. (AP Photo/Richard Lipski)

Washington Capitals' Mathieu Perreault (below, middle) did the damage with his stick Tuesday night as his hat trick helped beat the Stanley Cup-champion Boston Bruins 5-3. (AP Photo/Richard Lipski)