Zach Jackson vs. Bob Whitcher — Career Comparison

On the career pitching numbers, Bob Whitcher posted a stronger line than Zach Jackson. Bob Whitcher posted stronger numbers in ERA (2.87 vs 5.81) and home runs allowed (0.57 per nine innings vs 1.28). By the career numbers, Bob Whitcher 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.