Cal Medley vs. Jonathan Pettibone — Career Comparison

Looking at the career totals, Cal Medley and Jonathan Pettibone are fairly close on the surface numbers. Jonathan Pettibone posted stronger numbers in ERA (4.45 vs 63) and WHIP (1.564 vs 11.000). Cal Medley had the advantage in home runs allowed (0 per nine innings vs 0.91). By the career numbers, Jonathan Pettibone 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.