Zach Jackson vs. John Montefusco — Career Comparison

On the career pitching numbers, John Montefusco posted a stronger line than Zach Jackson. John Montefusco posted stronger numbers in ERA (3.54 vs 5.81) and WHIP (1.316 vs 1.566). By the career numbers, John Montefusco 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.