Jonathan Aro vs. Frank Beck — Career Comparison

On the career pitching numbers, Frank Beck posted a stronger line than Jonathan Aro. Frank Beck posted stronger numbers in WHIP (1.765 vs 1.909) and home runs allowed (0 per nine innings vs 1.64). By the career numbers, Frank Beck 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.