NBA team owners authorized league officials to begin an in-depth analysis regarding expansion on Tuesday, but NBA commissioner Adam Silver said there was no timetable for any changes.The NBA Board of Governors meeting in Las Vegas on Tuesday marked the first time team owners officially discussed expanding the league beyond 30 teams,

The NBA may finally be one step closer on the long road to expansion. Commissioner Adam Silver said Tuesday that the league has been tasked by team owners to study the issue more formally, which would be the first official move in a long process toward adding franchises.