Carlos Estevez vs. Jack Leiper — Career Comparison

Looking at the career totals, Carlos Estevez and Jack Leiper are fairly close on the surface numbers. Carlos Estevez posted stronger numbers in ERA (3.97 vs 5.4) and WHIP (1.362 vs 1.778). Jack Leiper had the advantage in home runs allowed (0.6 per nine innings vs 1.09). By the career numbers, Carlos Estevez 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.