Bob Katz vs. Tanner Roark — Career Comparison

Looking at the career totals, Bob Katz and Tanner Roark are fairly close on the surface numbers. Bob Katz had the edge in home runs allowed (0 per nine innings vs 1.11). By the career numbers, Bob Katz 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.