Mark Rogers vs. Joe Willis — Career Comparison

Looking at the career totals, Mark Rogers and Joe Willis are fairly close on the surface numbers. Mark Rogers posted stronger numbers in ERA (3.49 vs 4.63) and WHIP (1.122 vs 1.568). Joe Willis had the advantage in home runs allowed (0.17 per nine innings vs 0.92). 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.