Apr 07, 2011; St. Paul, MN, USA; North Dakota Sioux forward Corban Knight (10) and Michigan Wolverines forward Louie Caporusso (29) battle for the puck in the third period during the semifinals of the 2011 Frozen Four at Xcel Energey Center. The Wolverines defeated the Sioux 2-0.; Mandatory Credit: Marilyn Indahl