Roy Corcoran vs. John Hollison — Career Comparison

Looking at the career totals, Roy Corcoran and John Hollison are fairly close on the surface numbers. John Hollison posted stronger numbers in ERA (2.25 vs 4.17) and WHIP (0.250 vs 1.682). Roy Corcoran had the advantage in home runs allowed (0.33 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.