Biggest Signings in MLS History

With the Red Bulls' signing of Mexico captain Rafa Marquez, we put together a list of the biggest signings in MLS history. Note, this isn't a list of the best signings, it's a list of those perceived to have the biggest star power based on age and name recognition at the time of their arrivals:

Arguably the most famous soccer player ever, former Manchester United and Real Madrid star joined MLS at age 32. His signing produced shockwaves around the world and catapulted MLS into the limelight.