Rene Arocha vs. Michael Grove — Career Comparison

On the career pitching numbers, Rene Arocha posted a stronger line than Michael Grove. Rene Arocha posted stronger numbers in ERA (4.11 vs 5.48) and home runs allowed (1.01 per nine innings vs 1.45). By the career numbers, Rene Arocha 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.