Mark Esser vs. Mike Fetters — Career Comparison

Looking at the career totals, Mark Esser and Mike Fetters are fairly close on the surface numbers. Mike Fetters posted stronger numbers in ERA (3.86 vs 16.2) and WHIP (1.520 vs 3.600). Mark Esser had the advantage in home runs allowed (0 per nine innings vs 0.78). By the career numbers, Mike Fetters 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.