North Dakota's Zane Gothberg, top, looks to catch the puck with his glove as Minnesota's Tom Serratore, center left, and Seth Ambroz, center right, look for a rebound with North Dakota's Dillon Simpson, left, and Jordan Schmaltz, right, defending during the second period of an NCAA men's college hockey Frozen Four tournament game on Thursday, April 10, 2014, in Philadelphia. (AP Photo/Chris Szagola)