The pitcher from Plainville earned 16 career saves which is both a West Point record and the most in Patriot League history. She also pitched the first two-no-hitters of her career during the 2017 season. Poirier earned All-Northeast Region honors from the National Fastpitch Coaches Association (NFCA) landing on NFCA's third team.
Overall, Poirier went 14-8 with five saves and had a team best 2.19 earned run average. She went the distance 15 times, including four shutouts. Poirier's two no-hitters came against Columbia and Lafayette. She logged 150.1 innings, allowing 135 hits, 69 runs (47 earned) and 58 walks, while striking out 78 batters.