SAN ANTONIO:The San Antonio Spurs now own the worst collapse in NBA Finals history, but they refuse to be counted out yet. While the New York Knicks look to clinch their first NBA title since 1973, the Spurs aim to stay alive in the best-of-seven series when they host Game 5 on Saturday night. New York holds a 3-1 lead after overcoming a 29-point deficit in Game 4 and notching a 107-106 victory over the crestfallen Spurs. “The games that we’re losing have all been close games,” San Antonio point guard De’Aaron Fox said Friday. “We still have that belief that we have a chance to win.