Is Pau Gasol untradable?

Before the news of Kobe Bryant's injured knee sent shockwaves throughout the Los Angeles Lakers organization, the team was rumored to be quietly pursuing a Pau Gasol-centric deal aimed at improving the team's short-term performance and giving them a boost into the playoffs. Despite reports that they had backed away from that position, the news of the Bryant injury might cause them to reconsider.

But trading Gasol is not as simple as picking up the phone and weighing the best offers. There are several, very real obstacles that stand in the way of moving the four-time All-Star.