Lee Guetterman vs. Bill Wertz — Career Comparison

Looking at the career totals, Lee Guetterman and Bill Wertz are fairly close on the surface numbers. Bill Wertz had the edge in ERA (4.08 vs 4.33). By the career numbers, Bill Wertz had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.