John Foley vs. Jonathan Papelbon — Career Comparison

Looking at the career totals, John Foley and Jonathan Papelbon are fairly close on the surface numbers. Jonathan Papelbon posted stronger numbers in ERA (2.44 vs 4.5) and WHIP (1.068 vs 1.375). John Foley had the advantage in home runs allowed (0 per nine innings vs 0.71). By the career numbers, Jonathan Papelbon 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.