Lee Guetterman vs. Danny Leon — Career Comparison

On the career pitching numbers, Lee Guetterman posted a stronger line than Danny Leon. Lee Guetterman posted stronger numbers in ERA (4.33 vs 5.89) and home runs allowed (0.71 per nine innings vs 2.45). By the career numbers, Lee Guetterman 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.