Zach Day vs. Eddie Jefferson — Career Comparison

Looking at the career totals, Zach Day and Eddie Jefferson are fairly close on the surface numbers. Zach Day posted stronger numbers in ERA (4.66 vs 5.72) and WHIP (1.554 vs 1.694). Eddie Jefferson had the advantage in home runs allowed (0 per nine innings vs 0.85). By the career numbers, Zach Day 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.