Jose Castillo vs. Bobby Tiefenauer — Career Comparison

Looking at the career totals, Jose Castillo and Bobby Tiefenauer are fairly close on the surface numbers. Bobby Tiefenauer had the edge in ERA (3.84 vs 4.11). By the career numbers, Bobby Tiefenauer 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.