Zack Greinke vs. John Wesley Johnson — Career Comparison

Looking at the career totals, Zack Greinke and John Wesley Johnson are fairly close on the surface numbers. Zack Greinke posted stronger numbers in ERA (3.49 vs 6.39) and WHIP (1.178 vs 1.775). John Wesley Johnson had the advantage in home runs allowed (0.46 per nine innings vs 0.97). By the career numbers, Zack Greinke 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.