Dewon Day vs. Phillip Diehl — Career Comparison

Looking at the career totals, Dewon Day and Phillip Diehl are fairly close on the surface numbers. Phillip Diehl posted stronger numbers in ERA (9.47 vs 11.25) and WHIP (1.684 vs 2.333). Dewon Day had the advantage in home runs allowed (0.75 per nine innings vs 2.84). By the career numbers, Phillip Diehl 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.