Unknown Howard vs. Bill McCaffrey — Career Comparison

On the career pitching numbers, Unknown Howard posted a stronger line than Bill McCaffrey. Unknown Howard posted stronger numbers in ERA (2.45 vs 6) and home runs allowed (0 per nine innings vs 1). By the career numbers, Unknown Howard 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.