Brent Knackert vs. Al Preston — Career Comparison

On the career pitching numbers, Brent Knackert posted a stronger line than Al Preston. Brent Knackert posted stronger numbers in ERA (7.04 vs 20.25) and WHIP (2.049 vs 4.500). By the career numbers, Brent Knackert 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.