For every NBA team, there's a potential disaster waiting to turn the 2013-14 season upside down.
Even if a squad seems to be sitting pretty, it has a prospective obstacle that causes the head coach to lose sleep.
The Miami Heat are defending champions and poised for a three-peat, so what's their worst nightmare? What about teams that are in rebuilding mode and aren't concerned about win-loss records?
There's a stumbling block lurking for each club, and some are more catastrophic than others.
Find out every team's worst nightmare for the upcoming campaign.