Can McFadden break free in opener vs. Colts?

Daily Raiders blog for NBC Bay Area website: If the Raiders are to beat the Colts in the 2013 season opener, they better be able to run the ball with Darren McFadden. No matter who the QB is this season, McFadden is the key to the Raiders offense. http://www.nbcbayarea.com/news/sports/McFadden-a-Key-in-Raiders-Opener-vs-Colts-222674621.html