Mark Clark vs. Al Hollingsworth — Career Comparison

Looking at the career totals, Mark Clark and Al Hollingsworth are fairly close on the surface numbers. Al Hollingsworth posted stronger numbers in ERA (3.99 vs 4.61) and home runs allowed (0.28 per nine innings vs 1.11). Mark Clark had the advantage in WHIP (1.406 vs 1.466). By the career numbers, Al Hollingsworth 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.