Jack Leiter vs. Jack McDowell — Career Comparison

On the career pitching numbers, Jack McDowell posted a stronger line than Jack Leiter. Jack McDowell posted stronger numbers in ERA (3.85 vs 4.8) and home runs allowed (0.82 per nine innings vs 1.2). By the career numbers, Jack McDowell 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.