Unknown Howard vs. Bill Mack — Career Comparison

Looking at the career totals, Unknown Howard and Bill Mack are fairly close on the surface numbers. Unknown Howard posted stronger numbers in ERA (2.45 vs 3) and home runs allowed (0 per nine innings vs 1.5). Bill Mack had the advantage in WHIP (1.000 vs 1.636). 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.