Last week, stars Paul Pierce and Kevin Garnett played a road game. But not just any road game. It was perhaps the most significant road game of their careers. The future Hall of Famers returned for the first time to basketball-bonkers Boston, the city where they won hearts and championships. The former Celtics were given a warm welcome that included video tributes and had an emotional evening. In this era of free agency, many players have a similar experience. They move from a