Dario Franchitti. Scott Dixon. Helio Castroneves.
Each of these drivers are perennial favorites to take home the Borg-Warner trophy, but this year is different. The field of the 2011 Indianapolis 500 is deeper than ever before, and there are many drivers who could change the status quo.
Here are the 7 best bets for an underdog to cross the yard of bricks before everyone else.