Charlie Chech vs. Robbie Erlin — Career Comparison

On the career pitching numbers, Charlie Chech posted a stronger line than Robbie Erlin. Charlie Chech posted stronger numbers in ERA (2.52 vs 4.87) and home runs allowed (0.15 per nine innings vs 1.13). By the career numbers, Charlie Chech 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.