Ramon Lopez vs. Mark Rogers — Career Comparison

On the career pitching numbers, Mark Rogers posted a stronger line than Ramon Lopez. Mark Rogers posted stronger numbers in ERA (3.49 vs 5.14) and home runs allowed (0.92 per nine innings vs 1.29). By the career numbers, Mark Rogers 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.