Steve Avery vs. Jack Leiter — Career Comparison

On the career pitching numbers, Steve Avery posted a stronger line than Jack Leiter. Steve Avery posted stronger numbers in ERA (4.19 vs 4.8) and home runs allowed (0.86 per nine innings vs 1.2). By the career numbers, Steve Avery 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.