Glover marks the third departure from the Red Storm this season after Brady Dunlap and RJ Luis also entered the transfer portal, although Luis has made his intentions clear that he plans to pursue a pro career.
Arsenal could target a move for Espanyol goalkeeper Joan Garcia if Aaron Ramsdale leaves the club this summer. The 23-year-old is currently second choice to Fernando Pacheco at the Spanish club, and is believed to have a £25m release clause in his contract.