Dutch Leonard vs. Jeff Pfeffer — Career Comparison

Looking at the career totals, Dutch Leonard and Jeff Pfeffer are fairly close on the surface numbers. Jeff Pfeffer had the edge in ERA (2.77 vs 3.25). By the career numbers, Jeff Pfeffer 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.