Rene Arocha vs. Zack Littell — Career Comparison

Looking at the career totals, Rene Arocha and Zack Littell are fairly close on the surface numbers. Zack Littell posted stronger numbers in ERA (3.88 vs 4.11) and WHIP (1.221 vs 1.360). Rene Arocha had the advantage in home runs allowed (1.01 per nine innings vs 1.46). By the career numbers, Zack Littell 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.