Raiders lean heavily on Darren McFadden, and he doesn’t break

The Raiders insist running back Darren McFadden’s healthy. How long he stays that way with this kind of workload remains to be seen. “We just go with the offense,” McFadden said, via Paul Gutierrez of CSNBayArea.com. “However the offense is called, that’s how we roll. You never know what to expect when you’re going into…