Bobby Castillo vs. Red Ehret — Career Comparison

Looking at the career totals, Bobby Castillo and Red Ehret are fairly close on the surface numbers. Red Ehret had the edge in home runs allowed (0.21 per nine innings vs 0.88). By the career numbers, Red Ehret 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.