To reach the Final Four, Illinois needed to think outside the box. And country.
By Greg Rosenstein••NBC News
Lots of European teenagers are now delaying professional careers to play American college basketball, including several players who chose to play at Illinois. They're now in the Final Four.
Illinois head coach Brad Underwood knew something needed to change. Before this season, he had taken nine different teams to the NCAA Tournament, yet none had advanced past the Elite Eight. His teams…