Union College senior defenseman Robert Sullivan was the key component of a defense that allowed just nine goals combined in two NCAA Tournament wins last week. The Dutchmen held one of the nation's top-scoring offenses to just one goal through three quarters of play en route to a 12-5 win over Montclair State. Sullivan helped the Union defense hold Bowdoin to its lowest scoring effort of the year in a 10-4 win on Saturday.