Spencer Arrighetti vs. Fred Bell — Career Comparison

On the career pitching numbers, Fred Bell posted a stronger line than Spencer Arrighetti. Fred Bell posted stronger numbers in ERA (4.51 vs 4.69) and home runs allowed (0.25 per nine innings vs 1.35). By the career numbers, Fred Bell 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.