Juan Abreu vs. George Diehl — Career Comparison

Looking at the career totals, Juan Abreu and George Diehl are fairly close on the surface numbers. Juan Abreu posted stronger numbers in ERA (2.7 vs 3.52) and WHIP (1.350 vs 1.435). George Diehl had the advantage in home runs allowed (0 per nine innings vs 1.35). By the career numbers, Juan Abreu 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.