There have been some fair comparisons drawn between the current 17-game winning streak of the San Antonio Spurs and the remarkable 27-game run put together a year ago by the Miami Heat. Both teams expect to compete for the NBA championship. Both teams found their rhythm at the most opportune time of the season. Both teams stormed to the league’s best record and home court advantage throughout the playoffs. There are obvious differences as well. For one, San Antonio still needs 10