Liberty University’s Charlotte Vaanhold scored the game-winning goal in double overtime, giving No. 9 Liberty a 3-2 victory Friday over No. 5 Maryland on Friday in the NCAA Field Hockey Championship Final Four at Michigan’s Phyllis Ocker Field Hockey Field. Liberty advances to Sunday’s national championship game, where it will face No. 7 Northwestern (17-5), who edged No. 12 Harvard 2-1 in overtime in Friday’s second national semifinal.