When Juan Pablo Montoya left Formula One for NASCAR in late 2006, the move created shock waves on both sides of the Atlantic -- in Europe, where it seemed unthinkable that an F1 driver would leave for stock cars, and in North America, where it raised global awareness of what was already the most competitive major form of auto racing in the world. It was an unprecedented event, a driver trading Monaco and Spa for Martinsville and Sonoma. Montoya arrived in the Sprint Cup Series with all the buzz of an international rock star. More...