Is Game 3 vs. Celtics a must-win for Knicks? Shaq, Barkley make the argument

Is Game 3 vs. Celtics a must-win for Knicks? Shaq, Barkley make the argument originally appeared on NBC Sports BostonThe New York Knicks shocked the basketball world by winning the first two games of their Eastern Conference semifinals series versus the Boston Celtics on the road.Despite trailing by 20-plus points in both games, the Knicks made stellar second-half runs and outplayed the Celtics late. And if NBA history is any indication, the Knicks are in a very good spot as the action shifts to