Bill Day vs. John Hollison — Career Comparison

Looking at the career totals, Bill Day and John Hollison are fairly close on the surface numbers. John Hollison posted stronger numbers in ERA (2.25 vs 4.66) and WHIP (0.250 vs 1.802). Bill Day had the advantage in home runs allowed (0.1 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.