Unknown Chatman vs. William Sheppard — Career Comparison

Looking at the career totals, Unknown Chatman and William Sheppard are fairly close on the surface numbers. William Sheppard posted stronger numbers in ERA (2.9 vs 13.5) and WHIP (1.226 vs 3.429). Unknown Chatman had the advantage in home runs allowed (0 per nine innings vs 0.29). By the career numbers, William Sheppard 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.