Bob Harmon vs. Al Jackson — Career Comparison

On the career pitching numbers, Bob Harmon posted a stronger line than Al Jackson. Bob Harmon posted stronger numbers in ERA (3.33 vs 3.98) and home runs allowed (0.19 per nine innings vs 0.74). By the career numbers, Bob Harmon 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.