Mark Clark vs. Al Kellogg — Career Comparison

Looking at the career totals, Mark Clark and Al Kellogg are fairly close on the surface numbers. Mark Clark posted stronger numbers in ERA (4.61 vs 5.82) and WHIP (1.406 vs 1.706). Al Kellogg had the advantage in home runs allowed (0.53 per nine innings vs 1.11). By the career numbers, Mark Clark 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.