Olivia Stone's second half goal sealed the win for Northwestern.
The Boilermakers scored a last-gasp equalizer in regulation before finding a winner in double OT.
The Terps fell to Michigan for the second straight game.
Mose was a competitive dancer who competed all over the world.
Poarch led the Terps with eight goals during the regular season.
The Terps will play the Wolverines again in the Big Ten tournament.
Midfielder Loren Sefcik's first-half goal was all the Terps needed to clinch their first conference tournament in program history.
The Terps have struggled in road games this year.
Seppi also earned the award on Sept. 10.
Goals from Loren Sefcik and Mikayla Dayes completed a crucial second-half comeback.