10 Best Running Backs Entering 2015 NFL Season

The most grueling and hard-hitting offensive position in the NFL is undoubtedly running back. Play after play a rusher is asked to take on defensive lines and if they can break past that first barrier, speedy defensive backs have already built up enough momentum to stop their progress dead. It's a position with a small window for success, with most rushers considered past their primes after the age of 30 due to the toll they take. But its still one of the most exciting positions in the league, o...