Sam Frock vs. John Mitchell — Career Comparison

On the career pitching numbers, Sam Frock posted a stronger line than John Mitchell. Sam Frock posted stronger numbers in ERA (3.23 vs 4.35) and WHIP (1.344 vs 1.550). By the career numbers, Sam Frock 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.