We've seen a boatload of transactions during the 2012 NBA offseason, and amid the shuffle of players being signed and traded, several teams made poor decisions by letting key pieces go.
Franchises often make regrettable decisions on the basis of salary-cap concerns or trading for a coveted player.
A handful of teams got weaker at certain positions because they weren't shrewd or thoughtful enough to hang on to them.
For some teams, it was the inability to retain a superb backup point guard. For others, it was the lack of foresight to keep a productive, playoff-caliber forward.
Let's take a look at seven teams that made huge mistakes letting key pieces get away this offseason.