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 place where they have been a fixture and get to return to their previous home for the first time.