Unknown Clark vs. Jon Matlack — Career Comparison

Looking at the career totals, Unknown Clark and Jon Matlack are fairly close on the surface numbers. Jon Matlack posted stronger numbers in ERA (3.18 vs 7.5) and WHIP (1.262 vs 1.500). Unknown Clark had the advantage in home runs allowed (0 per nine innings vs 0.61). By the career numbers, Jon Matlack 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.