Dan Altavilla vs. Dave Leonhard — Career Comparison

On the career pitching numbers, Dave Leonhard posted a stronger line than Dan Altavilla. Dave Leonhard posted stronger numbers in ERA (3.15 vs 4) and home runs allowed (0.85 per nine innings vs 1.27). By the career numbers, Dave Leonhard 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.