David Aardsma vs. Bill Bell — Career Comparison

On the career pitching numbers, David Aardsma posted a stronger line than Bill Bell. David Aardsma posted stronger numbers in WHIP (1.487 vs 1.800) and home runs allowed (1.09 per nine innings vs 1.62). By the career numbers, David Aardsma 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.