Re: Ryan Howard doesn't pull the ball, at all.
I think of them this way. Dunn could be the next Jim Thome. Howard could be the next David Ortiz.
Games are won on run differential -- scoring more than your opponent. Runs are runs, scored or prevented they all count the same. Worry about scoring more and allowing fewer, not which positions contribute to which side of the equation or how "consistent" you are at your current level of performance.