Chase Dollander vs. Bill Hallahan — Career Comparison

On the career pitching numbers, Bill Hallahan posted a stronger line than Chase Dollander. Bill Hallahan posted stronger numbers in ERA (4.03 vs 6.52) and home runs allowed (0.37 per nine innings vs 1.65). By the career numbers, Bill Hallahan 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.