By Ives Galarcep, Special to ESPNsoccernet (Archive)
When David Beckham was first introduced as Major League Soccer's most significant and potentially most important signing in January 2007, the event had the look of an all-out celebration. Confetti cannons blew and happy music blared as the man who could help MLS achieve worldwide respect arrived and promised to spend the rest of his career elevating the league and the sport in this country.
At least that was the plan.
That was before Beckham started feeling the itch to keep ...