Bob Alexander vs. Michael Roth — Career Comparison

Looking at the career totals, Bob Alexander and Michael Roth are fairly close on the surface numbers. Michael Roth posted stronger numbers in ERA (8.5 vs 10.64) and WHIP (1.889 vs 2.455). Bob Alexander had the advantage in home runs allowed (0 per nine innings vs 1.25). By the career numbers, Michael Roth 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.