Howard Armstrong vs. Grant Jackson — Career Comparison

On the career pitching numbers, Howard Armstrong posted a stronger line than Grant Jackson. Howard Armstrong posted stronger numbers in ERA (0 vs 3.46) and home runs allowed (0 per nine innings vs 0.72). By the career numbers, Howard Armstrong 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.