Apr 07, 2011; St. Paul, MN, USA; North Dakota Sioux forward Jason Gregoire (17) brings the puck into the Wolverine's zone followed by Michigan Wolverines defenseman Chad Langlais (7) 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