Moose Haas vs. Jack Leiter — Career Comparison

On the career pitching numbers, Moose Haas posted a stronger line than Jack Leiter. Moose Haas posted stronger numbers in ERA (4.01 vs 4.8) and home runs allowed (0.88 per nine innings vs 1.2). By the career numbers, Moose Haas 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.