Al Johnson vs. Carl Mays — Career Comparison

Looking at the career totals, Al Johnson and Carl Mays are fairly close on the surface numbers. Carl Mays posted stronger numbers in ERA (2.92 vs 11.48) and WHIP (1.207 vs 2.100). Al Johnson had the advantage in home runs allowed (0 per nine innings vs 0.22). By the career numbers, Carl Mays 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.