Rube Ehrhardt vs. Jeff Hartsock — Career Comparison

On the career pitching numbers, Rube Ehrhardt posted a stronger line than Jeff Hartsock. Rube Ehrhardt posted stronger numbers in ERA (4.15 vs 6.75) and WHIP (1.418 vs 2.036). By the career numbers, Rube Ehrhardt 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.