LeBron James saved a championship reign, canceled a celebration. The toughest part now might be topping this performance in Game 7. "It's by far the best game I've ever been a part of," James said. He wouldn't let the Miami Heat lose it -- or their NBA title. If the San Antonio Spurs want that, they'll have to fight just a little harder to get it. One last game, winner take all. James powered Miami to a frantic fourth-quarter rally and overtime escape as the Heat beat the Spurs 103-100 on Tuesday night to extend the NBA Finals as far as they can go and keep Miami's repeat chances alive.