I'd like to see more about his skill set. Given the prevalence of slap-hitting and no-hit defenders, I like to reserve judgment. Just remember, those numbers were put up in a league where Tsuyoshi Nishioka was a 5 time all-star.
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.