Three keys for Gophers vs. Nebraska Omaha in NCAA men's hockey tournament opener

Fuente: Star Tribune

SIOUX FALLS — Christmas Day for college hockey fans has arrived as the NCAA Division I men's tournament drops the puck at four regional locations. One of those is Sioux Falls, where the second-seeded Gophers meet No. 3 seed and host Nebraska Omaha at 7:30 p.