Sean Bonar made 26 saves, and Princeton beat Clarkson 3-0 on Saturday.
Bonar made 12 saves in the final period, when the Tigers (2-4-1, 2-3 ECAC Hockey) added onto a 1-0 lead that Aaron Kesselman provided in the first period. Jack Berger scored a power-play goal and Marc Hagel added an empty-net goal.
Paul Karpowich stopped 28 shots for the Golden Knights (6-3-3, 1-2-1).