John McCarty vs. Justin Slaten — Career Comparison

Looking at the career totals, John McCarty and Justin Slaten are fairly close on the surface numbers. Justin Slaten posted stronger numbers in ERA (3.43 vs 3.91) and WHIP (1.063 vs 1.738). John McCarty had the advantage in home runs allowed (0.3 per nine innings vs 0.71). By the career numbers, Justin Slaten 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.