Mark Esser vs. Zach Phillips — Career Comparison

Looking at the career totals, Mark Esser and Zach Phillips are fairly close on the surface numbers. Zach Phillips posted stronger numbers in ERA (3.22 vs 16.2) and WHIP (1.522 vs 3.600). Mark Esser had the advantage in home runs allowed (0 per nine innings vs 1.61). By the career numbers, Zach Phillips 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.