Zach Jackson vs. Devin Smeltzer — Career Comparison

Looking at the career totals, Zach Jackson and Devin Smeltzer are fairly close on the surface numbers. Devin Smeltzer posted stronger numbers in ERA (4.32 vs 5.81) and WHIP (1.275 vs 1.566). Zach Jackson had the advantage in home runs allowed (1.28 per nine innings vs 1.66). By the career numbers, Devin Smeltzer 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.