Jesse Jefferson vs. Joe McClain — Career Comparison

On the career pitching numbers, Joe McClain posted a stronger line than Jesse Jefferson. Joe McClain posted stronger numbers in ERA (4.42 vs 4.81) and WHIP (1.360 vs 1.560). By the career numbers, Joe McClain 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.