Today's NFL is a passing league. A strong running game is no longer a necessity. Look at the 2009 New Orleans Saints, who won a Super Bowl with a running back by committee system.
The 30-carry-a-game half is a dying breed. But there are a select few who can still carry the load. Because teams continue to move toward two- and three-back systems, it's important to take inventory of the league's best backs.
Here are my top 10.