John Brown vs. Marco Estrada — Career Comparison

On the career pitching numbers, John Brown posted a stronger line than Marco Estrada. John Brown posted stronger numbers in ERA (2.29 vs 4.29) and home runs allowed (0.49 per nine innings vs 1.43). By the career numbers, John Brown 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.