John Hollison vs. Ernie Mason — Career Comparison

Looking at the career totals, John Hollison and Ernie Mason are fairly close on the surface numbers. John Hollison posted stronger numbers in ERA (2.25 vs 7.15) and WHIP (0.250 vs 1.941). Ernie Mason had the advantage in home runs allowed (0.4 per nine innings vs 2.25). By the career numbers, John Hollison 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.