Larry Jacobus vs. Bill Koski — Career Comparison

On the career pitching numbers, Larry Jacobus posted a stronger line than Bill Koski. Larry Jacobus posted stronger numbers in ERA (5.71 vs 6.67) and WHIP (1.500 vs 2.000). By the career numbers, Larry Jacobus 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.