Harley Hisner vs. Jose Mercedes — Career Comparison

Looking at the career totals, Harley Hisner and Jose Mercedes are fairly close on the surface numbers. Harley Hisner posted stronger numbers in ERA (4.5 vs 4.75) and home runs allowed (0 per nine innings vs 1.16). Jose Mercedes had the advantage in WHIP (1.455 vs 1.833). By the career numbers, Harley Hisner 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.