Jonathan Johnson vs. Al Mahon — Career Comparison

Looking at the career totals, Jonathan Johnson and Al Mahon are fairly close on the surface numbers. Jonathan Johnson posted stronger numbers in ERA (6.63 vs 22.85) and WHIP (2.017 vs 4.154). Al Mahon had the advantage in home runs allowed (0 per nine innings vs 1.05). By the career numbers, Jonathan Johnson 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.