‘Titans coach Jeff Fisher said no matter which running back is out there, it should be a good challenge for his run defense. “It’s going to be a good test,” Fisher said. “Again, we’ll be very basic, but Travis is one of the better backs in the league, and McGahee is just getting started. In all likelihood, our backups will be challenged by McGahee, and I’m sure he will improve upon what he did last week.”‘