Wilson Alvarez vs. Jack Leiter — Career Comparison

On the career pitching numbers, Wilson Alvarez posted a stronger line than Jack Leiter. Wilson Alvarez posted stronger numbers in ERA (3.96 vs 4.8) and home runs allowed (0.98 per nine innings vs 1.2). By the career numbers, Wilson Alvarez 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.