The final hours of the off-season

   If nothing else, this preseason is going to be more interesting than last, when the Jazz had 15 players with guaranteed contracts and no roster spots left to claim.    They will enter camp with 13 players under contract this year, one of whom will be two time zones away in Matt Harpring. The Jazz have to carry a minimum of 13 players under NBA rules, but would have only 12 available if they don't make an addition.    That would make things pretty easy when it comes to filling out the active list, but the Jazz have to decide if they are best served with such a thin roster, especially if they're concerned about the possibility of injuries.    For years, the Jazz carried just 12 players when the NBA would have allowed them to keep additional players on the old injured list. That changed as Karl Malone and John Stockton moved into the final years of their careers.    Jazz general manager Kevin O'Co...