Dewon Day vs. Bill Irwin — Career Comparison

Looking at the career totals, Dewon Day and Bill Irwin are fairly close on the surface numbers. Bill Irwin posted stronger numbers in ERA (5.82 vs 11.25) and WHIP (1.529 vs 2.333). Dewon Day had the advantage in home runs allowed (0.75 per nine innings vs 1.06). By the career numbers, Bill Irwin 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.