Frank Hiller vs. Jack Leiter — Career Comparison

On the career pitching numbers, Frank Hiller posted a stronger line than Jack Leiter. Frank Hiller posted stronger numbers in ERA (4.42 vs 4.8) and home runs allowed (0.94 per nine innings vs 1.2). By the career numbers, Frank Hiller 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.