I can tell you what they will do to make sure he does not leave... or at least what one idiot will do.
In the middle of the game, a fan decided it would be a good time for a leisurely stroll on the court. He then opened his jacket like some sort of flasher and revealed a “Kyrie Don’t Leave” shirt.
Take a look:
http://www.youtube.com/watch?feature=player_embedded&v=dBWTWMIqNMw&w=620
By AJ Henneberger