Justin De Fratus vs. Harley Parker — Career Comparison

Looking at the career totals, Justin De Fratus and Harley Parker are fairly close on the surface numbers. Justin De Fratus posted stronger numbers in ERA (4.08 vs 5.9) and WHIP (1.433 vs 1.749). Harley Parker had the advantage in home runs allowed (0.33 per nine innings vs 0.74). By the career numbers, Justin De Fratus 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.