Inside the Auerbach Center, the Boston Celtics' new training facility, the team installed two sets of championship banners to match the official ones in their arena seven miles down the Mass Pike.
To say those 17 banners are sacrosanct to the organization might be an understatement. So why not have as many duplicates as possible?
On a morning at the building last June, as team owner Wyc Grousbeck was preparing to formally announce his decision to promote Brad Stevens to team president, the two men made a pact under those symbolic flags.
"We committed to one another that we're going to win banner 18," Grousbeck said, "or die trying.