Mike Johnston vs. Al Mahon — Career Comparison

Looking at the career totals, Mike Johnston and Al Mahon are fairly close on the surface numbers. Mike Johnston posted stronger numbers in ERA (5.7 vs 22.85) and WHIP (2.070 vs 4.154). Al Mahon had the advantage in home runs allowed (0 per nine innings vs 1.52). By the career numbers, Mike Johnston 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.